heater NISSAN X-TRAIL 2003 Electronic Owner's Manual

EC-2
DTC Confirmation Procedure ...............................118
Diagnostic Procedure ...........................................119
DTC P0031, P0032 HO2S1 HEATER .....................120
Description ............................................................120
CONSULT-II Reference Value in Data Monitor Mode
.120
ECM Terminals and Reference Value ...................120
On Board Diagnosis Logic ....................................121
DTC Confirmation Procedure ...............................121
Wiring Diagram .....................................................122
Diagnostic Procedure ...........................................123
Component Inspection ..........................................124
Removal and Installation ......................................124
DTC P0037, P0038 HO2S2 HEATER .....................125
Description ............................................................125
CONSULT-II Reference Value in Data Monitor Mode
.125
ECM Terminals and Reference Value ...................125
On Board Diagnosis Logic ....................................125
DTC Confirmation Procedure ...............................126
Wiring Diagram .....................................................127
Diagnostic Procedure ...........................................128
Component Inspection ..........................................129
Removal and Installation ......................................129
DTC P0102, P0103 MAF SENSOR .........................130
Component Description ........................................130
CONSULT-II Reference Value in Data Monitor Mode
.130
ECM Terminals and Reference Value ...................130
On Board Diagnosis Logic ....................................131
DTC Confirmation Procedure ...............................131
Wiring Diagram .....................................................132
Diagnostic Procedure ...........................................133
Component Inspection ..........................................135
Removal and Installation ......................................135
DTC P0112, P0113 IAT SENSOR ...........................136
Component Description ........................................136
On Board Diagnosis Logic ....................................136
DTC Confirmation Procedure ...............................136
Wiring Diagram .....................................................138
Diagnostic Procedure ...........................................139
Component Inspection ..........................................140
Removal and Installation ......................................140
DTC P0117, P0118 ECT SENSOR ..........................141
Component Description ........................................141
On Board Diagnosis Logic ....................................141
DTC Confirmation Procedure ...............................142
Wiring Diagram .....................................................143
Diagnostic Procedure ...........................................144
Component Inspection ..........................................145
Removal and Installation ......................................145
DTC P0120 TP SENSOR ........................................146
Component Description ........................................146
CONSULT-II Reference Value in Data Monitor Mode
.146
ECM Terminals and Reference Value ...................146
On Board Diagnosis Logic ....................................147
DTC Confirmation Procedure ...............................147Wiring Diagram ..................................................... 149
Diagnostic Procedure ............................................ 150
Component Inspection .......................................... 152
Remove and Installation ....................................... 153
DTC P0121 APP SENSOR ...................................... 154
Component Description ........................................ 154
CONSULT-II Reference Value in Data Monitor Mode
. 154
ECM Terminals and Reference Value ................... 154
On Board Diagnosis Logic .................................... 155
DTC Confirmation Procedure ................................ 155
Wiring Diagram ..................................................... 156
Diagnostic Procedure ............................................ 157
Component Inspection .......................................... 159
Remove and Installation ....................................... 159
DTC P0132 HO2S1 ................................................. 160
Component Description ........................................ 160
CONSULT-II Reference Value in Data Monitor Mode
. 160
ECM Terminals and Reference Value ................... 160
On Board Diagnosis Logic .................................... 161
DTC Confirmation Procedure ................................ 161
Wiring Diagram ..................................................... 162
Diagnostic Procedure ............................................ 163
Component Inspection .......................................... 164
Removal and Installation ....................................... 165
DTC P0133 HO2S1 ................................................. 166
Component Description ........................................ 166
CONSULT-II Reference Value in Data Monitor Mode
. 166
ECM Terminals and Reference Value ................... 166
On Board Diagnosis Logic .................................... 167
DTC Confirmation Procedure ................................ 167
Overall Function Check ......................................... 168
Wiring Diagram ..................................................... 169
Diagnostic Procedure ............................................ 170
Component Inspection .......................................... 172
Removal and Installation ....................................... 173
DTC P0134 HO2S1 ................................................. 174
Component Description ........................................ 174
CONSULT-II Reference Value in Data Monitor Mode
. 174
ECM Terminals and Reference Value ................... 174
On Board Diagnosis Logic .................................... 175
DTC Confirmation Procedure ................................ 175
Overall Function Check ......................................... 176
Wiring Diagram ..................................................... 177
Diagnostic Procedure ............................................ 178
Component Inspection .......................................... 179
Removal and Installation ....................................... 180
DTC P0138 HO2S2 ................................................. 181
Component Description ........................................ 181
CONSULT-II Reference Value in Data Monitor Mode
. 181
ECM Terminals and Reference Value ................... 181
On Board Diagnosis Logic .................................... 181
DTC Confirmation Procedure ................................ 182
Overall Function Check ......................................... 182

EC-5
C
D
E
F
G
H
I
J
K
L
M
ECA DTC P1805 BRAKE SWITCH ................................ 329
Description ........................................................... 329
CONSULT-II Reference Value in Data Monitor Mode
. 329
ECM Terminals and Reference Value .................. 329
On Board Diagnosis Logic ................................... 329
DTC Confirmation Procedure ............................... 329
Wiring Diagram .................................................... 330
Diagnostic Procedure ........................................... 331
Component Inspection ......................................... 332
IGNITION SIGNAL .................................................. 334
Component Description ........................................ 334
ECM Terminals and Reference Value .................. 334
Wiring Diagram .................................................... 335
Diagnostic Procedure ........................................... 337
Component Inspection ......................................... 341
Removal and Installation ...................................... 342
INJECTOR CIRCUIT ............................................... 343
Component Description ........................................ 343
CONSULT-II Reference Value in Data Monitor Mode
. 343
ECM Terminals and Reference Value .................. 343
Wiring Diagram .................................................... 344
Diagnostic Procedure ........................................... 345
Component Inspection ......................................... 347
Removal and Installation ...................................... 347
START SIGNAL ...................................................... 348
CONSULT-II Reference Value in Data Monitor Mode
. 348
ECM Terminals and Reference Value .................. 348
Wiring Diagram .................................................... 349
Diagnostic Procedure ........................................... 350
FUEL PUMP CIRCUIT ............................................ 352
Description ........................................................... 352
CONSULT-II Reference Value in Data Monitor Mode
. 352
ECM Terminals and Reference Value .................. 352
Wiring Diagram .................................................... 354
Diagnostic Procedure ........................................... 355
Component Inspection ......................................... 357
Removal and Installation ...................................... 358
REFRIGERANT PRESSURE SENSOR ................. 359
Component Description ........................................ 359
ECM Terminals and Reference Value .................. 359
Wiring Diagram .................................................... 360
Diagnostic Procedure ........................................... 361
Removal and Installation ...................................... 362
ELECTRICAL LOAD SIGNAL ................................ 363
CONSULT-II Reference Value in Data Monitor Mode
. 363
ECM Terminals and Reference Value .................. 363
Wiring Diagram .................................................... 364
Diagnostic Procedure ........................................... 366
DATA LINK CONNECTOR ..................................... 371
Wiring Diagram .................................................... 371
EVAPORATIVE EMISSION SYSTEM ..................... 372
Description ........................................................... 372
Component Inspection ......................................... 374POSITIVE CRANKCASE VENTILATION ...............375
Description ............................................................375
Component Inspection ..........................................375
SERVICE DATA AND SPECIFICATIONS (SDS) ....377
Fuel Pressure .......................................................377
Idle Speed and Ignition Timing .............................377
Calculated Load Value ..........................................377
Mass Air Flow Sensor ...........................................377
Intake Air Temperature Sensor .............................377
Engine Coolant Temperature Sensor ...................377
Heated Oxygen Sensor 1 Heater .........................377
Heated Oxygen sensor 2 Heater ..........................377
Crankshaft Position Sensor (POS) .......................377
Camshaft Position Sensor (PHASE) ....................377
Throttle Control Motor ...........................................378
Injector ..................................................................378
Fuel Pump ............................................................378
QR (WITHOUT EURO-OBD)
INDEX FOR DTC .....................................................379
Alphabetical Index ................................................379
DTC No. Index ......................................................380
PRECAUTIONS ......................................................381
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................381
On Board Diagnostic (OBD) System of Engine and
A/T ........................................................................381
Precaution ............................................................381
Wiring Diagrams and Trouble Diagnosis ..............384
PREPARATION .......................................................385
Special Service Tools ...........................................385
Commercial Service Tools ....................................385
ENGINE CONTROL SYSTEM ................................387
System Diagram ...................................................387
Vacuum Hose Drawing .........................................388
System Chart ........................................................389
Multiport Fuel Injection (MFI) System ...................389
Electronic Ignition (EI) System .............................392
Air Conditioning Cut Control .................................392
Fuel Cut Control (at No Load and High Engine
Speed) ..................................................................393
CAN communication .............................................393
BASIC SERVICE PROCEDURE .............................395
Idle Speed and Ignition Timing Check ..................395
Throttle Valve Closed Position Learning ...............396
Accelerator Pedal Released Position Learning ....396
Idle Air Volume Learning ......................................396
Fuel Pressure Check ............................................399
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..........401
Introduction ...........................................................401
Two Trip Detection Logic ......................................401
Emission-related Diagnostic Information ..............401
NATS (Nissan Anti-theft System) .........................403
Malfunction Indicator (MI) .....................................404
TROUBLE DIAGNOSIS ..........................................407
Trouble Diagnosis Introduction .............................407

EC-7
C
D
E
F
G
H
I
J
K
L
M
ECA On Board Diagnosis Logic ................................... 513
DTC Confirmation Procedure ............................... 513
Overall Function Check ........................................ 514
Wiring Diagram .................................................... 515
Diagnostic Procedure ........................................... 517
DTC P0550 PSP SENSOR ..................................... 518
Component Description ........................................ 518
CONSULT-II Reference Value in Data Monitor Mode
. 518
ECM Terminals and Reference Value .................. 518
On Board Diagnosis Logic ................................... 518
DTC Confirmation Procedure ............................... 518
Wiring Diagram .................................................... 520
Diagnostic Procedure ........................................... 521
Component Inspection ......................................... 522
DTC P0605 ECM .................................................... 523
Component Description ........................................ 523
On Board Diagnosis Logic ................................... 523
DTC Confirmation Procedure ............................... 523
Diagnostic Procedure ........................................... 525
DTC P0650 MI ........................................................ 526
Component Description ........................................ 526
On Board Diagnosis Logic ................................... 526
DTC Confirmation Procedure ............................... 526
Overall Function Check ........................................ 526
Wiring Diagram .................................................... 527
Diagnostic Procedure ........................................... 528
DTC P1065 ECM POWER SUPPLY ....................... 530
Component Description ........................................ 530
On Board Diagnosis Logic ................................... 530
DTC Confirmation Procedure ............................... 530
Wiring Diagram .................................................... 531
Diagnostic Procedure ........................................... 532
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................ 534
Description ........................................................... 534
On Board Diagnosis Logic ................................... 534
DTC Confirmation Procedure ............................... 534
Diagnostic Procedure ........................................... 535
DTC P1122 ELECTRIC THROTTLE CONTROL
FUNCTION .............................................................. 536
Description ........................................................... 536
ECM Terminals and Reference Value .................. 536
On Board Diagnosis Logic ................................... 536
DTC Confirmation Procedure ............................... 537
Wiring Diagram .................................................... 538
Diagnostic Procedure ........................................... 539
Component Inspection ......................................... 540
DTC P1123 THROTTLE CONTROL MOTOR RELAY. 542
Component Description ........................................ 542
CONSULT-II Reference Value in Data Monitor Mode
. 542
ECM Terminals and Reference Value .................. 542
On Board Diagnosis Logic ................................... 542
DTC Confirmation Procedure ............................... 542
Wiring Diagram .................................................... 544
Diagnostic Procedure ........................................... 545
Component Inspection ......................................... 546DTC P1212 ESP/TCS/ABS COMMUNICATION
LINE ........................................................................547
Description ............................................................547
On Board Diagnosis Logic ....................................547
DTC Confirmation Procedure ...............................547
Diagnostic Procedure ...........................................547
DTC P1217 ENGINE OVER TEMPERATURE ........548
System Description ...............................................548
CONSULT-II Reference Value in Data Monitor Mode
.548
ECM Terminals and Reference Value ...................549
On Board Diagnosis Logic ....................................549
Overall Function Check ........................................549
Wiring Diagram .....................................................552
Diagnostic Procedure ...........................................553
Main 12 Causes of Overheating ...........................560
Component Inspection ..........................................561
DTC P1805 BRAKE SWITCH .................................562
Description ............................................................562
CONSULT-II Reference Value in Data Monitor Mode
.562
ECM Terminals and Reference Value ...................562
On Board Diagnosis Logic ....................................562
DTC Confirmation Procedure ...............................562
Wiring Diagram .....................................................564
Diagnostic Procedure ...........................................565
Component Inspection ..........................................566
HO2S1 HEATER .....................................................568
Description ............................................................568
CONSULT-II Reference Value in Data Monitor Mode
.568
ECM Terminals and Reference Value ...................568
Wiring Diagram .....................................................569
Diagnostic Procedure ...........................................570
Component Inspection ..........................................572
Removal and Installation ......................................572
HO2S2 HEATER .....................................................573
Description ............................................................573
CONSULT-II Reference Value in Data Monitor Mode
.573
ECM Terminals and Reference Value ...................573
Wiring Diagram .....................................................574
Diagnostic Procedure ...........................................575
Component Inspection ..........................................576
Removal and Installation ......................................576
IAT SENSOR ...........................................................577
Component Description ........................................577
Wiring Diagram .....................................................578
Diagnostic Procedure ...........................................579
Component Inspection ..........................................580
Removal and Installation ......................................580
HO2S1 .....................................................................581
Component Description ........................................581
CONSULT-II Reference Value in Data Monitor Mode
.581
ECM Terminals and Reference Value ...................581
Wiring Diagram .....................................................582
Diagnostic Procedure ...........................................583

EC-8
Component Inspection ..........................................584
Removal and Installation ......................................586
HO2S2 .....................................................................587
Component Description ........................................587
CONSULT-II Reference Value in Data Monitor Mode
.587
ECM Terminals and Reference Value ...................587
Wiring Diagram .....................................................588
Diagnostic Procedure ...........................................589
Component Inspection ..........................................590
Removal and Installation ......................................591
IGNITION SIGNAL ..................................................592
Component Description ........................................592
ECM Terminals and Reference Value ...................592
Wiring Diagram .....................................................593
Diagnostic Procedure ...........................................595
Component Inspection ..........................................599
Removal and Installation ......................................600
EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE .................................................601
Description ............................................................601
CONSULT-II Reference Value in Data Monitor Mode
.601
ECM Terminals and Reference Value ...................601
Wiring Diagram .....................................................603
Diagnostic Procedure ...........................................604
Component Inspection ..........................................607
Removal and Installation ......................................607
IVT CONTROL SOLENOID VALVE ........................608
Description ............................................................608
CONSULT-II Reference Value in Data Monitor Mode
.608
ECM Terminals and Reference Value ...................609
Wiring Diagram .....................................................610
Diagnostic Procedure ...........................................611
Component Inspection ..........................................613
Removal and Installation ......................................613
PNP SWITCH ..........................................................614
Component Description ........................................614
CONSULT-II Reference Value in Data Monitor Mode
.614
ECM Terminals and Reference Value ...................614
Wiring Diagram .....................................................615
Diagnostic Procedure ...........................................616
INJECTOR CIRCUIT ...............................................618
Component Description ........................................618
CONSULT-II Reference Value in Data Monitor Mode
.618
ECM Terminals and Reference Value ...................618
Wiring Diagram .....................................................619
Diagnostic Procedure ...........................................620
Component Inspection ..........................................622
Removal and Installation ......................................622
START SIGNAL ......................................................623
CONSULT-II Reference Value in Data Monitor Mode
.623
ECM Terminals and Reference Value ...................623Wiring Diagram ..................................................... 624
Diagnostic Procedure ............................................ 625
FUEL PUMP CIRCUIT ............................................. 627
Description ............................................................ 627
CONSULT-II Reference Value in Data Monitor Mode
. 627
ECM Terminals and Reference Value ................... 627
Wiring Diagram ..................................................... 629
Diagnostic Procedure ............................................ 630
Component Inspection .......................................... 632
Removal and Installation ....................................... 633
REFRIGERANT PRESSURE SENSOR .................. 634
Component Description ........................................ 634
ECM Terminals and Reference Value ................... 634
Wiring Diagram ..................................................... 635
Diagnostic Procedure ............................................ 636
Removal and Installation ....................................... 637
ELECTRICAL LOAD SIGNAL ................................ 638
CONSULT-II Reference Value in Data Monitor Mode
. 638
ECM Terminals and Reference Value ................... 638
Wiring Diagram ..................................................... 639
Diagnostic Procedure ............................................ 641
DATA LINK CONNECTOR ...................................... 646
Wiring Diagram ..................................................... 646
EVAPORATIVE EMISSION SYSTEM ..................... 647
Description ............................................................ 647
Component Inspection .......................................... 649
POSITIVE CRANKCASE VENTILATION ................ 650
Description ............................................................ 650
Component Inspection .......................................... 650
SERVICE DATA AND SPECIFICATIONS (SDS) .... 652
Fuel Pressure ........................................................ 652
Idle Speed and Ignition Timing .............................. 652
Calculated Load Value .......................................... 652
Mass Air Flow Sensor ........................................... 652
Intake Air Temperature Sensor ............................. 652
Engine Coolant Temperature Sensor .................... 652
Heated Oxygen Sensor 1 Heater .......................... 652
Heated Oxygen sensor 2 Heater .......................... 652
Crankshaft Position Sensor (POS) ....................... 652
Camshaft Position Sensor (PHASE) ..................... 652
Throttle Control Motor ........................................... 653
Injector .................................................................. 653
Fuel Pump ............................................................. 653
YD
INDEX FOR DTC ..................................................... 654
Alphabetical Index ................................................. 654
DTC No. Index ...................................................... 654
PRECAUTIONS ....................................................... 656
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................... 656
Precautions ........................................................... 656
Wiring Diagrams and Trouble Diagnosis ............... 658

EC-24
[QR (WITH EURO-OBD)]
ENGINE CONTROL SYSTEM
System Chart
EBS00B0Q
*1: This sensor is not used to control the engine system under normal conditions.
*2: These signals are sent to the ECM through CAN communication line.
Multiport Fuel Injection (MFI) SystemEBS00B0R
INPUT/OUTPUT SIGNAL CHART
*1: Under normal conditions, this sensor is not for engine control operation.
*2: This signal is sent to the ECM through CAN communication line.Input (Sensor) ECM Function Output (Actuator)
lCamshaft position sensor (PHASE)
lCrankshaft position sensor (POS)
lMass air flow sensor
lEngine coolant temperature sensor
lHeated oxygen sensor 1
lThrottle position sensor
lAccelerator pedal position sensor
lPark/neutral position (PNP) switch
lIntake air temperature sensor
lPower steering pressure sensor
lIgnition switch
lBattery voltage
lKnock sensor
lRefrigerant pressure sensor
lHeated oxygen sensor 2 *1
lTCM (Transmission control module) *2
lESP/TCS/ABS control unit *2
lWheel sensor
lAir conditioner switch
lElectrical loadFuel injection & mixture ratio control Fuel injectors
Electronic ignition system Power transistors
Fuel pump control Fuel pump relay
On board diagnostic system MI (On the instrument panel)
Heated oxygen sensor 1 heater control Heated oxygen sensor 1 heater
Heated oxygen sensor 2 heater control Heated oxygen sensor 2 heater
EVAP canister purge flow controlEVAP canister purge volume control
solenoid valve
Air conditioning cut control Air conditioner relay
Cooling fan control Cooling fan relays
Sensor Input Signal to ECMECM func-
tionActuator
Crankshaft position sensor (POS)
Engine speed
Piston position
Fuel injec-
tion & mix-
ture ratio
controlFuel injectors Camshaft position sensor (PHASE)
Mass air flow sensor Amount of intake air
Engine coolant temperature sensor Engine coolant temperature
Heated oxygen sensor 1 Density of oxygen in exhaust gas
Throttle position sensor Throttle position
Accelerator pedal position sensor Accelerator pedal position
Park/neutral position (PNP) switch Gear position
Ignition switch Start signal
Knock sensor Engine knocking condition
Battery Battery voltage
Power steering pressure sensor Power steering operation
Heated oxygen sensor 2 *1 Density of oxygen in exhaust gas
ESP/TCS/ABS control unit *2 ESP/TCS operation command
Wheel sensor Vehicle speed
Air conditioner switch Air conditioner operation

ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-41
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
*1: If completion of several SRTs is required, perform driving patterns (DTC confirmation procedure), one by one based on the priority for
models with CONSULT-II.
SRT Set Timing
SRT is set as “CMPLT” after self-diagnosis has been performed one or more times. Completion of SRT is
done regardless of whether the result is OK or NG. The set timing is different between OK and NG results and
is shown in the table below.
OK: Self-diagnosis is carried out and the result is OK.
NG: Self-diagnosis is carried out and the result is NG.
—: Self-diagnosis is not carried out.
When all SRT related self-diagnoses showed OK results in a single cycle (Ignition OFF-ON-OFF), the SRT will
indicate “CMPLT”.®Case 1 above
When all SRT related self-diagnoses showed OK results through several different cycles, the SRT will indicate
“CMPLT” at the time the respective self-diagnoses have at least one OK result.®Case 2 above
If one or more SRT related self-diagnoses showed NG results in 2 consecutive cycles, the SRT will also indi-
cate “CMPLT”.®Case3above
The table above shows that the minimum number of cycles for setting SRT as “INCMP” is one (1) for each
self-diagnosis (Case 1 & 2) or two (2) for one of self-diagnoses (Case 3). However, in preparation for the state
HO2S 1 Heated oxygen sensor 1 P0132
Heated oxygen sensor 1 P0133
Heated oxygen sensor 1 P0134
Heated oxygen sensor 1 P1143
Heated oxygen sensor 1 P1144
Heated oxygen sensor 2 P0138
Heated oxygen sensor 2 P0139
Heated oxygen sensor 2 P1146
Heated oxygen sensor 2 P1147
HO2S HTR 1 Heated oxygen sensor 1 heater P0031, P0032
Heated oxygen sensor 2 heater P0037, P0038 SRT item
(CONSULT-II
indication)Performance
Priority*1Required self-diagnostic items to set the SRT to “CMPLT” Corresponding DTC No.
Self-diagnosis resultExample
DiagnosisIgnition cycle
¬ON®OFF¬ON®OFF¬ON®OFF¬ON®
All OK Case 1 P0400 OK (1) — (1) OK (2) — (2)
P0402 OK (1) — (1) — (1) OK (2)
P1402 OK (1) OK (2) — (2) — (2)
SRT of EGR “CMPLT” “CMPLT” “CMPLT” “CMPLT”
Case 2 P0400 OK (1) — (1) — (1) — (1)
P0402 — (0) — (0) OK (1) — (1)
P1402 OK (1) OK (2) — (2) — (2)
SRT of EGR “INCMP” “INCMP” “CMPLT” “CMPLT”
NG exists Case 3 P0400 OK OK — —
P0402 — — — —
P1402 NG — NGNG
(Consecutive
NG)
(1st trip)
DTC1st trip DTC — 1st trip DTCDTC
(= MI “ON”)
SRT of EGR “INCMP” “INCMP” “INCMP” “CMPLT”

EC-46
[QR (WITH EURO-OBD)]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
´: Applicable —: Not applicable
HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION
How to Erase DTC ( With CONSULT-II)
The emission related diagnostic information in the ECM can be erased by selecting “ERASE” in the “SELF-
DIAG RESULTS” mode with CONSULT-II.
If DTCs are displayed for both ECM and TCM (Transmission control module), they need to be erased individu-
ally from the ECM and TCM (Transmission control module).
NOTE:
If the DTC is not for A/T related items (seeEC-12
), skip steps 2 through 4.
1. If the ignition switch stays “ON” after repair work, be sure to turn ignition switch “OFF” once. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
2. Turn CONSULT-II “ON” and touch “A/T”.
3. Touch “SELF-DIAG RESULTS”.
4. Touch “ERASE”. [The DTC in the TCM (Transmission control module) will be erased.] Then touch “BACK”
twice.
5. Touch “ENGINE”.
6. Touch “SELF-DIAG RESULTS”.
SRT item Self-diagnostic test itemTest value (GST display)
Test limit Application
TID CID
CATALYST Three way catalyst function 01H 01H Max.´
HO2SHeated oxygen sensor 109H 04H Max.´
0AH 84H Min.´
0BH 04H Max.´
0CH 04H Max.´
0DH 04H Max.´
Heated oxygen sensor 219H 86H Min.´
1AH 86H Min.´
1BH 06H Max.´
1CH 06H Max.´
HO2S HTRHeated oxygen sensor 1 heater29H 08H Max.´
2AH 88H Min.´
Heated oxygen sensor 2 heater2DH 0AH Max.´
2EH 8AH Min.´

EC-62
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
Fail-safe Chart
EBS00BMJ
The ECM enters fail-safe mode, if any of the following malfunctions is detected due to the open or short circuit.
When the ECM enters the fail-safe mode, the MI illuminates.
Priority Detected items (DTC)
1
lU1000 CAN communication line
lP0102 P0103 P1102 Mass air flow sensor
lP0112 P0113 Intake air temperature sensor
lP0117 P0118 Engine coolant temperature sensor
lP0120 Throttle position sensor
lP0121 Accelerator pedal position sensor
lP0327 P0328 Knock sensor
lP0335 Crankshaft position sensor (POS)
lP0340 Camshaft position sensor (PHASE)
lP0500 Vehicle speed sensor
lP0605 ECM
lP0705 Park/Neutral position (PNP) sensor
lP1706 Park/Neutral position (PNP) switch
2
lP0031 P0032 Heated oxygen sensor 1 heater
lP0037 P0038 Heated oxygen sensor 2 heater
lP0132 P0133 P0134 P1143 P1144 Heated oxygen sensor 1
lP0138 P0139 P1146 P1147 Heated oxygen sensor 2
lP0444 P0445 EVAP canister purge volume control solenoid valve
lP0550 Power steering pressure sensor
lP0650 MI
lP0710-P0725, P0740-P0755, P1705 P1760 A/T related sensors and solenoid valves
lP1065 ECM power supply
lP 1111 I n t a k e v a l v e ti m i n g c o n t r o l s o le n o i d v a l v e
lP1122 Electric throttle control function
lP1123 Throttle control motor relay
lP1212 ESP/TCS/ABS communication line
lP1805 Brake switch
3
lP0011 Intake valve timing control
lP0171 P0172 Fuel injection system function
lP0300 - P0304 Misfire
lP0420 Three way catalyst function
lP0731-P0734 A/T function
lP1121 Electric throttle control actuator
lP1217 Engine over temperature (OVERHEAT)
DTC No. Detected items Engine operating condition in fail-safe mode
P0102
P0103
P1102Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut.

TROUBLE DIAGNOSIS
EC-79
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
ECM Harness Connector Terminal LayoutEBS00BMO
ECM Terminals and Reference ValueEBS00BMP
PREPARATION
1. ECM is located behind the glove box. For this inspection,
remove glove box.
2. Remove ECM harness protector.
3. Perform all voltage measurements with the connector con-
nected. Extend tester probe as shown to perform tests easily.
lOpen harness securing clip to make testing easier.
lUse extreme care not to touch 2 pins at one time.
lData is for comparison and may not be exact.
ECM INSPECTION TABLE
Specification data are reference values and are measured between each terminal and body ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
SEF970W
PBIB0493E
MEC486B
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
2P/LHeated oxygen sen-
sor 1 heater[Engineisrunning]
lWarm-up condition.
lEngine speed is below 3,600 rpm.Approximately 7.0V
[Engineisrunning]
lEngine speed is above 3,600 rpm.BATTERY VOLTAGE
(11 - 14V)
PBIB0519E

EC-80
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
4PU/RHeated oxygen sen-
sor 2 heater[Engine is running]
lEngine speed is below 3,800 rpm.
lAfter driving for 2 minutes at a speed of 70 km/h
(43 MPH) or more.0-1.0V
[Ignition switch “ON”]
lEngine stopped
[Engine is running]
lEngine speed is above 3,800 rpm.BATTERY VOLTAGE
(11 - 14V)
12 R/BCounter current
return[Ignition switch "ON"]BATTERY VOLTAGE
(11 - 14V)
13 PEVAP canister purge
volume control sole-
noid valve[Engine is running]
lIdle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
lEngine speed is about 2,000 rpmApproximately 10V
18 R/Y MI[Ignition switch “ON”]0-1.0V
[Engine is running]
lIdle speedBATTERY VOLTAGE
(11 - 14V)
20 W/GECM relay
(Self shut-off)[Engine is running]
[Ignition switch “OFF”]
lFor 3 seconds after turning ignition switch “OFF”0-1.0V
[Ignition switch “OFF”]
l3 seconds passed after turning ignition switch
“OFF”BATTERY VOLTAGE
(11 - 14V)
21
22
23
24BR
PU
L/R
GY/RIgnition signal No. 1
Ignition signal No. 2
Ignition signal No. 3
Ignition signal No. 4[Engine is running]
lWarm-up condition
lIdle speed0-0.1V
[Engine is running]
lWarm-up condition
lEngine speed is 2,000 rpm.0-0.2V
26 L Air conditioner relay[Engine is running]
lBoth A/C switch and blower switch are “ON”
(Compressor operates).0-1.0V
[Engine is running]
lA/C switch is “OFF”.BATTERY VOLTAGE
(11 - 14V) TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB0520E
PBIB0521E
PBIB0522E