sensor NISSAN TIIDA 2007 Service Repair Manual

EC-14
BASIC INSPECTION : Special Repair Require-
ment (TEST 1: Low Pressure Fuel Supply System
Check) .................................................................
1043
BASIC INSPECTION : Special Repair Require-
ment (TEST 2: Internal Fuel Transfer Pump
Check) .................................................................
1044
BASIC INSPECTION : Special Repair Require-
ment [TEST 3: High Pressure Supply Pump (Pres-
sure Control Valve) Check] ..................................
1044
BASIC INSPECTION : Special Repair Require-
ment [TEST 4: High Pressure Supply Pump (Vol-
umetric Control Valve) Check] .............................
1045
BASIC INSPECTION : Special Repair Require-
ment (TEST 5: Rail High Pressure Regulation
Check) .................................................................
1048
BASIC INSPECTION : Special Repair Require-
ment (TEST 6: Major Leak in Fuel Injectors/Fuel
Injectors Open) ....................................................
1052
BASIC INSPECTION : Special Repair Require-
ment (TEST 7: Incorrect Fuel Injection Quantity)
1053
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .....................................................
1054
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description .............................
1054
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement ..
1054
EGR VOLUME CONTROL VALVE CLOSED POSI-
TION LEARNING ...................................................
1055
EGR VOLUME CONTROL VALVE CLOSED PO-
SITION LEARNING : Description ........................
1055
EGR VOLUME CONTROL VALVE CLOSED PO-
SITION LEARNING : Special Repair Requirement
1055
FUNCTION DIAGNOSIS ..........................1057
ENGINE CONTROL SYSTEM ........................1057
System Diagram ..................................................1057
System Description ..............................................1058
Component Parts Location ..................................1058
Component Description .......................................1062
FUEL INJECTION CONTROL ........................1063
System Description ..............................................1063
Component Parts Location ..................................1065
TURBOCHARGER BOOST CONTROL .........1070
Vacuum Hose Drawing ........................................1070
System Description ..............................................1070
Component Parts Location ..................................1071
EGR SYSTEM .................................................1076
System Description ..............................................1076
Component Parts Location ..................................1076
IDLE SPEED CONTROL ................................1081
System Diagram ..................................................1081
System Description ..............................................1081
Component Parts Location ..................................1082
ENGINE TORQUE CONTROL .......................1087
System Description ..............................................1087
Component Parts Location ..................................1087
GLOW CONTROL ..........................................1092
System Description ..............................................1092
Component Parts Location ..................................1092
COOLING FAN CONTROL ............................1097
System Description ..............................................1097
Component Parts Location ..................................1098
CAN COMMUNICATION ................................1103
System Description ..............................................1103
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..1104
Diagnosis Description ..........................................1104
COMPONENT DIAGNOSIS .....................1106
POWER SUPPLY AND GROUND CIRCUIT ..1106
Diagnosis Procedure ............................................1106
P0001 FUEL PUMP ........................................1109
DTC Logic ............................................................1109
Diagnosis Procedure ............................................1109
Component Inspection .........................................1110
P0002 FUEL PUMP ........................................1111
DTC Logic ............................................................1111
Diagnosis Procedure ............................................1111
Component Inspection .........................................1112
P0016 CKP - CMP CORRELATION ...............1113
DTC Logic ............................................................1113
Diagnosis Procedure ............................................1113
Component Inspection .........................................1114
P0045 TC BOOST CONTROL SOLENOID
VALVE ............................................................
1116
DTC Logic ............................................................1116
Diagnosis Procedure ............................................1116
Component Inspection .........................................1117
P0069 TC BOOST SENSOR, BARO SENSOR
CORRELATION ..............................................
1118
DTC Logic ............................................................1118
Diagnosis Procedure ............................................1118
Component Inspection .........................................1119
P0087 FUEL PUMP ........................................1120
DTC Logic ............................................................1120
Diagnosis Procedure ............................................1120
P0090 FUEL PUMP ........................................1122
DTC Logic ............................................................1122
Diagnosis Procedure ............................................1122
Component Inspection .........................................1123
P0100 MAF SENSOR .....................................1124
Description ...........................................................1124
DTC Logic ............................................................1124

EC-15
C
D
E
F
G
H
I
J
K
L
M
ECA
N
O
P Diagnosis Procedure ...........................................
1124
Component Inspection ........................................1125
P0101 MAF SENSOR .....................................1127
Description ..........................................................1127
DTC Logic ...........................................................1127
Diagnosis Procedure ...........................................1127
Component Inspection ........................................1129
P0110 IAT SENSOR .......................................1130
Description ..........................................................1130
DTC Logic ...........................................................1130
Diagnosis Procedure ...........................................1130
Component Inspection ........................................1131
P0115 ECT SENSOR .....................................1132
Description ..........................................................1132
DTC Logic ...........................................................1132
Diagnosis Procedure ...........................................1132
Component Inspection ........................................1133
P0120 ELECTRIC THROTTLE CONTROL
ACTUATOR ....................................................
1134
Description ..........................................................1134
DTC Logic ...........................................................1134
Diagnosis Procedure ...........................................1134
P0180 FPT SENSOR ......................................1136
Description ..........................................................1136
DTC Logic ...........................................................1136
Diagnosis Procedure ...........................................1136
Component Inspection ........................................1137
P0190 FRP SENSOR .....................................1138
Description ..........................................................1138
DTC Logic ...........................................................1138
Diagnosis Procedure ...........................................1138
Component Inspection ........................................1139
P0200 FUEL INJECTOR ................................1140
DTC Logic ...........................................................1140
Diagnosis Procedure ...........................................1140
Component Inspection ........................................1141
P0201, P0202, P0203, P0204 FUEL INJEC-
TOR ................................................................
1142
DTC Logic ...........................................................1142
Diagnosis Procedure ...........................................1142
Component Inspection ........................................1143
P0225 APP SENSOR .....................................1144
Description ..........................................................1144
DTC Logic ...........................................................1144
Diagnosis Procedure ...........................................1144
Component Inspection ........................................1146
P0235 TC BOOST SENSOR ..........................1147
Description ..........................................................1147
DTC Logic ...........................................................1147
Diagnosis Procedure ...........................................1147
Component Inspection ........................................1148
P0335 CKP SENSOR .....................................1149
DTC Logic ............................................................1149
Diagnosis Procedure ...........................................1149
Component Inspection .........................................1150
P0340 CMP SENSOR ....................................1151
DTC Logic ............................................................1151
Diagnosis Procedure ...........................................1151
Component Inspection .........................................1152
P0380 GLOW RELAY ....................................1154
DTC Logic ............................................................1154
Diagnosis Procedure ...........................................1154
P0381 GLOW CONTROL SYSTEM ...............1156
DTC Logic ............................................................1156
Diagnosis Procedure ...........................................1156
Component Inspection .........................................1157
P0409 EGR VOLUME CONTROL VALVE
CONTROL POSITION SENSOR ....................
1158
DTC Logic ............................................................1158
Diagnosis Procedure ...........................................1158
P0487 EGR VOLUME CONTROL VALVE ....1160
DTC Logic ............................................................1160
Diagnosis Procedure ...........................................1160
Component Inspection .........................................1161
P0488 EGR SYSTEM .....................................1162
DTC Logic ............................................................1162
Diagnosis Procedure ...........................................1162
Component Inspection .........................................1164
P0500 VSS .....................................................1165
Description ...........................................................1165
DTC Logic ............................................................1165
Diagnosis Procedure ...........................................1165
P0530 REFRIGERANT PRESSURE SENSOR
1166
Description ...........................................................1166
DTC Logic ............................................................1166
Diagnosis Procedure ...........................................1166
P0560 BATTERY VOLTAGE .........................1168
DTC Logic ............................................................1168
Diagnosis Procedure ...........................................1168
P0571 ASCD BRAKE SWITCH .....................1171
DTC Logic ............................................................1171
Diagnosis Procedure ...........................................1171
Component Inspection .........................................1172
P0575 ASCD STEERING SWITCH ................1174
Description ...........................................................1174
DTC Logic ............................................................1174
Diagnosis Procedure ...........................................1174
Component Inspection (ASCD Switch) ................1176
Component Inspection (ASCD Steering Switch) .1176

EC-16
P0606 ECM .....................................................1178
Description ...........................................................1178
DTC Logic ............................................................1178
Diagnosis Procedure ...........................................1178
P0641 SENSOR POWER SUPPLY ................1180
DTC Logic ............................................................1180
Diagnosis Procedure ...........................................1180
P0651 SENSOR POWER SUPPLY ................1182
DTC Logic ............................................................1182
Diagnosis Procedure ...........................................1182
P0685 ECM RELAY ........................................1184
DTC Logic ............................................................1184
Diagnosis Procedure ...........................................1184
P1089 FUEL PUMP ........................................1186
DTC Logic ............................................................1186
Diagnosis Procedure ...........................................1186
P2101 ELECTRIC THROTTLE CONTROL
FUNCTION ......................................................
1188
Description ...........................................................1188
DTC Logic ............................................................1188
Diagnosis Procedure ...........................................1188
Component Inspection .........................................1189
P2120 APP SENSOR .....................................1191
Description ...........................................................1191
DTC Logic ............................................................1191
Diagnosis Procedure ...........................................1191
Component Inspection .........................................1193
P2226 BARO SENSOR ..................................1194
Description ...........................................................1194
DTC Logic ............................................................1194
Diagnosis Procedure ...........................................1194
P2263 TC SYSTEM ........................................1195
DTC Logic ............................................................1195
Diagnosis Procedure ...........................................1195
P2299 ACCELERATOR/BRAKE PEDAL PO-
SITION INCONSISTENCY ..............................
1198
DTC Logic ............................................................1198
Diagnosis Procedure ...........................................1198
P2413 EGR SYSTEM .....................................1202
DTC Logic ............................................................1202
Diagnosis Procedure ...........................................1202
Component Inspection .........................................1204
P2502 BATTERY VOLTAGE ..........................1205
DTC Logic ............................................................1205
Diagnosis Procedure ...........................................1205
P2610 ENGINE SAFETY STOP .....................1206
DTC Logic ............................................................1206
Diagnosis Procedure ...........................................1206
ASCD CLUTCH SWITCH ...............................1208
Description ...........................................................1208
Component Function Check ................................1208
Diagnosis Procedure ............................................1208
Component Inspection .........................................1209
ASCD INDICATOR .........................................1210
Description ...........................................................1210
Component Function Check ................................1210
Diagnosis Procedure ............................................1210
COOLING FAN ...............................................1211
Description ...........................................................1211
Component Function Check ................................1211
Diagnosis Procedure ............................................1211
Component Inspection .........................................1212
STOP LAMP SWITCH ....................................1214
Description ...........................................................1214
Component Function Check ................................1214
Diagnosis Procedure ............................................1214
Component Inspection .........................................1215
ECU DIAGNOSIS .....................................1216
ECM ................................................................1216
Reference Value ..................................................1216
Conformity Check ................................................1223
Wiring Diagram - ENGINE CONTROL SYSTEM - 1236
DTC Index ............................................................1252
SYMPTOM DIAGNOSIS ..........................1255
ENGINE CONTROL SYSTEM SYMPTOMS ..1255
Symptom Table ....................................................1255
NOT COMMUNICATION WITH THE ECM .....1256
Description ...........................................................1256
Diagnosis Procedure ............................................1256
ENGINE DOES NOT START OR STARTS
WITH DIFFICULTY .........................................
1257
Description ...........................................................1257
Diagnosis Procedure ............................................1257
STARTING DIFFICULT WITH COLD ENGINE 1259
Description ...........................................................1259
Diagnosis Procedure ............................................1259
IMPOSSIBLE TO SHUT OFF ENGINE ..........1261
Description ...........................................................1261
Diagnosis Procedure ............................................1261
ENGINE IDLE SPEED TOO HIGH .................1262
Description ...........................................................1262
Diagnosis Procedure ............................................1262
ENGINE IDLE SPEED TOO LOW OR UNSTA-
BLE .................................................................
1263
Description ...........................................................1263
Diagnosis Procedure ............................................1263
ENGINE STALLING .......................................1265

EC-20
< BASIC INSPECTION >[HR16DE (WITH EURO-OBD)]
DIAGNOSIS AND REPAIR WORKFLOW
YES >> GO TO 7.
NO >> GO TO 9.
7.PERFORM SPEC IN DATA MONITOR MODE
With CONSULT-III
Make sure that “MAS A/F SE-B1”, “B/FUEL SCHDL” and “A/F ALPHA-B1” are within the SP value using CON-
SULT-III in “SPEC” of “DATA MONITOR” mode. Refer to EC-116, "
Component Function Check".
Is the measurement value within the SP value?
YES >> GO TO 9.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART BY TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Detect malfunctioning part according to EC-117, "
Diagnosis Procedure".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> GO TO 9.
9.DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to EC-366, "
Symptom Table" based on the confirmed symptom in
step 4, and determine the trouble diagnosis order based on possible causes and symptom.
>> GO TO 10.
10.DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Inspect according to Diagnosis Procedure of the system.
NOTE:
The Diagnosis Procedure in EC section described based on open circuit inspection. A short circuit inspection
is also required for the circuit check in the Diagnosis Procedure. For details, refer to Circuit Inspection in GI-
58, "Circuit Inspection".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> Monitor input data from related sensors or check the voltage of related ECM terminals using CON-
SULT-III. Refer to EC-328, "
Reference Value".
11 .REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is displayed, erase it. Refer to EC-94, "
Diagnosis Description".
>> GO TO 12.
12.FINAL CHECK
When DTC was detected in step 2, perform DTC CONFIRMATION PROCEDURE or Component Function
Check again, and then make sure that the malfunction have been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and make sure
that the symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 10.
YES-2 >> Symptom remains: GO TO 6.
NO >> Before returning the vehicle to the customer, make sure to erase unnecessary DTC in ECM.
(Refer to EC-94, "
Diagnosis Description".) If the completion of SRT is needed, drive vehicle under
the specific DRIVING PATTERN in EC-363, "
HowtoSetSRTCode".
Diagnostic Work SheetINFOID:0000000001161122
DESCRIPTION

INSPECTION AND ADJUSTMENT
EC-23
< BASIC INSPECTION >[HR16DE (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
2. Rev engine (2,000 to 3,000 rpm) two or three times under no
load, then run engine at idle speed for about 1 minute.
3. Check idle speed.
For procedure, refer to EC-26, "
IDLE SPEED : Special Repair
Requirement".
For specification, refer to EC-380, "
Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 4.
4.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1. Stop engine.
2. Perform EC-26, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
ment".
>> GO TO 5.
5.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-27, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
>> GO TO 6.
6.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-27, "
IDLE AIR VOLUME LEARNING : Special Repair Requirement".
Is Idle Air Volume Learning carried out successfully?
YES >> GO TO 7.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
7.CHECK TARGET IDLE SPEED AGAIN
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.
For procedure, refer to EC-26, "
IDLE SPEED : Special Repair Requirement".
For specification, refer to EC-380, "
Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART
Check the Following.
 Check camshaft position sensor (PHASE) and circuit. Refer to EC-202, "
Diagnosis Procedure".
 Check crankshaft position sensor (POS) and circuit. Refer to EC-198, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace. Then GO TO 4.
9.CHECK ECM FUNCTION
1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but
this is a rare case.)
2. Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to SEC-7, "
ECM
RE-COMMUNICATING FUNCTION : Special Repair Requirement" or SEC-83, "ECM RE-COMMUNICAT-
ING FUNCTION : Special Repair Requirement".
>> GO TO 4.
10.CHECK IGNITION TIMING
PBIA8513J

INSPECTION AND ADJUSTMENT
EC-25
< BASIC INSPECTION >[HR16DE (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
NO >> Repair the timing chain installation. Then GO TO 4.
17.DETECT MALFUNCTIONING PART
Check the following.
 Check camshaft position sensor (PHASE) and circuit. Refer to EC-202, "
Diagnosis Procedure".
 Check crankshaft position sensor (POS) and circuit. Refer to EC-198, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 18.
NO >> Repair or replace. Then GO TO 4.
18.CHECK ECM FUNCTION
1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but
this is a rare case.)
2. Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to SEC-7, "
ECM
RE-COMMUNICATING FUNCTION : Special Repair Requirement" or SEC-83, "ECM RE-COMMUNICAT-
ING FUNCTION : Special Repair Requirement".
>> GO TO 4.
19.INSPECTION END
If ECM is replaced during this BASIC INSPECTION procedure, go to EC-25, "
ADDITIONAL SERVICE WHEN
REPLACING CONTROL UNIT : Special Repair Requirement".
>> INSPECTION END
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000001161124
When replacing ECM, this procedure must be performed.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000001161125
1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS
Refer to SEC-7, "
ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement".
>> GO TO 2.
2.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to EC-26, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement".
>> GO TO 3.
3.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Refer to EC-27, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
>> GO TO 4.
4.PERFORM IDLE AIR VOLUME LEARNING
Refer to EC-27, "
IDLE AIR VOLUME LEARNING : Special Repair Requirement".
>> END
IDLE SPEED

EC-26
< BASIC INSPECTION >[HR16DE (WITH EURO-OBD)]
INSPECTION AND ADJUSTMENT
IDLE SPEED : Description
INFOID:0000000001161126
This describes how to check the idle speed. For the actual procedure, follow the instructions in “BASIC
INSPECTION”.
IDLE SPEED : Special Repair RequirementINFOID:0000000001161127
1.CHECK IDLE SPEED
With CONSULT-III
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
With GST
Check idle speed with Service $01 of GST.
>> INSPECTION END
IGNITION TIMING
IGNITION TIMING : DescriptionINFOID:0000000001161128
This describes how to check the ignition timing. For the actual procedure, follow the instructions in “BASIC
INSPECTION”.
IGNITION TIMING : Special Repair RequirementINFOID:0000000001161129
1.CHECK IGNITION TIMING
1. Attach timing light to No.1 ignition coil wire harness (1) as
shown.
2. Check ignition timing.
>> INSPECTION END
ACCELERATOR PEDAL RELEASED POSITION LEARNING
ACCELERATOR PEDAL RELEASED POSITION LEARNING : DescriptionINFOID:0000000001161130
Accelerator Pedal Released Position Learning is a function of ECM to learn the fully released position of the
accelerator pedal by monitoring the accelerator pedal position sensor output signal. It must be performed each
time harness connector of accelerator pedal position sensor or ECM is disconnected.
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Re-
2 : Timing light
: Vehicle front
PBIB2955E
1 : Timing indicator
MBIB1331E

INSPECTION AND ADJUSTMENT
EC-27
< BASIC INSPECTION >[HR16DE (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
quirementINFOID:0000000001161131
1.START
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch ON and wait at least 2 seconds.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON and wait at least 2 seconds.
5. Turn ignition switch OFF and wait at least 10 seconds.
>> END
THROTTLE VALVE CLOSED POSITION LEARNING
THROTTLE VALVE CLOSED POSITION LEARNING : DescriptionINFOID:0000000001161132
Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle
valve by monitoring the throttle position sensor output signal. It must be performed each time harness connec-
tor of electric throttle control actuator or ECM is disconnected.
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement
INFOID:0000000001161133
1.START
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operating sound.
>> END
IDLE AIR VOLUME LEARNING
IDLE AIR VOLUME LEARNING : DescriptionINFOID:0000000001161134
Idle Air Volume Learning is a function of ECM to learn the idle air volume that keeps each engine idle speed
within the specific range. It must be performed under any of the following conditions:
 Each time electric throttle control actuator or ECM is replaced.
 Idle speed or ignition timing is out of specification.
IDLE AIR VOLUME LEARNING : Special Repair RequirementINFOID:0000000001161135
1.PRECONDITIONING
Make sure that all of the following conditions are satisfied.
Learning will be cancelled if any of the following conditions are missed for even a moment.
 Battery voltage: More than 12.9V (At idle)
 Engine coolant temperature: 70 - 100°C (158 - 212°F)
 Park/neutral position switch: ON
 Electric load switch: OFF
(Air conditioner, headlamp, rear window defogger)
On vehicles equipped with daytime light systems, set lighting switch to the 1st position to light only
small lamps.
 Steering wheel: Neutral (Straight-ahead position)
 Vehicle speed: Stopped
 Transmission: Warmed-up
- For A/T models with CONSULT-III
 Drive vehicle until “ATF TEMP SE 1” in “DATA MONITOR” mode of “A/T” system indicates less than 0.9V.
- For A/T models without CONSULT-III and M/T models.
 Drive vehicle for 10 minutes
Do you have CONSULT-III?
YES >> GO TO 2.

EC-28
< BASIC INSPECTION >[HR16DE (WITH EURO-OBD)]
INSPECTION AND ADJUSTMENT
NO >> GO TO 3.
2.IDLE AIR VOLUME LEARNING
With CONSULT-III
1. Perform Accelerator Pedal Released Position Learning. Refer to EC-26, "
ACCELERATOR PEDAL
RELEASED POSITION LEARNING : Special Repair Requirement".
2. Perform Throttle Valve Closed Position Learning. Refer to EC-27, "
THROTTLE VALVE CLOSED POSI-
TION LEARNING : Special Repair Requirement".
3. Start engine and warm it up to normal operating temperature.
4. Select “IDLE AIR VOL LEARN” in “WORK SUPPORT” mode.
5. Touch “START” and wait 20 seconds.
Is
“CMPLT” displayed on CONSULT-III screen?
YES >> GO TO 4.
NO >> GO TO 5.
3.IDLE AIR VOLUME LEARNING
Without CONSULT-III
NOTE:
It is better to count the time accurately with a clock.
It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit has
a malfunction.
1. Perform Accelerator Pedal Released Position Learning. Refer to EC-26, "
ACCELERATOR PEDAL
RELEASED POSITION LEARNING : Special Repair Requirement".
2. Perform Throttle Valve Closed Position Learning. Refer to EC-27, "
THROTTLE VALVE CLOSED POSI-
TION LEARNING : Special Repair Requirement".
3. Start engine and warm it up to normal operating temperature.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
6. Repeat the following procedure quickly five times within 5 seconds.
- Fully depress the accelerator pedal.
- Fully release the accelerator pedal.
7. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MI stops
blinking and turned ON.
8. Fully release the accelerator pedal within 3 seconds after the MI turned ON.
9. Start engine and let it idle.
10. Wait 20 seconds.
>> GO TO 4.
4.CHECK IDLE SPEED AND IGNITION TIMING
Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifi-
cations.
For specification, refer to EC-380, "
Idle Speed" and EC-380, "Ignition Timing".
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following
SEC897C

INSPECTION AND ADJUSTMENT
EC-29
< BASIC INSPECTION >[HR16DE (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
 Check that throttle valve is fully closed.
 Check PCV valve operation.
 Check that downstream of throttle valve is free from air leakage.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning part.
6.DETECT MALFUNCTIONING PART
Engine component parts and their installation condition are questionable. Check and eliminate the cause of
the incident.
It is useful to perform “TROUBLE DIAGNOSIS - SPECIFICATION VALUE”. Refer to EC-116, "
Component
Function Check".
If any of the following conditions occur after the engine has started, eliminate the cause of the incident and
perform Idle Air Volume Learning all over again:
 Engine stalls.
 Erroneous idle.
>> INSPECTION END
MIXTURE RATIO SELF-LEARNING VALUE CLEAR
MIXTURE RATIO SELF-LEARNING VALUE CLEAR : DescriptionINFOID:0000000001161136
This describes how to erase the mixture ratio self-learning value. For the actual procedure, follow the instruc-
tions in “Diagnosis Procedure”.
MIXTURE RATIO SELF-LEARNING VALUE CLEAR : Special Repair Requirement
INFOID:0000000001161137
1.START
With CONSULT-III
1. Start engine and warm it up to normal operating temperature.
2. Select “SELF-LEARNING CONT” in “WORK SUPPORT” mode with CONSULT-III.
3. Clear mixture ratio self-learning value by touching “CLEAR”.
With GST
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF.
3. Disconnect mass air flow sensor harness connector.
4. Restart engine and let it idle for at least 5 seconds.
5. Stop engine and reconnect mass air flow sensor harness connector.
6. Select Service $03 with GST. Make sure DTC P0102 is detected.
7. Select Service $04 with GST to erase the DTC P0102.
>> END