engine control NISSAN TIIDA 2010 Service Repair Manual

CVT-164
< SERVICE INFORMATION >[RE0F08B]
SHIFT CONTROL SYSTEM
1. Set shift lever handle (1) in “N” position.
2. Slide shift lever handle cover (2) downward.
3. Pull out shift lever handle clip (3) from shift lever handle (1).
4. Remove shift lever handle (1) and shift lever handle cover (2) as
a set from shift lever.
CAUTION:
Do not push shift lever button.
INSTALLATION
1. Insert shift lever handle clip (1) to shift lever handle (2).
2. Install shift lever handle cover (3) to shift lever handle (2).
3. Set shift lever in “N” position.
4. Install shift lever handle onto shift lever until a click is felt.CAUTION:
• Do not tilt shift lever handle when installing. Install it
straight, and do not tap or apply any shock to install it.
• Do not push shift lever button.
Adjustment of CVT PositionINFOID:0000000005398002
CAUTION:
Make sure that parking brake is applied before adjustment.
1. Loosen the control cable nut (A) and place the manual lever (1) in “P” position.
2. Place shift lever in “P” position.
3. Push the control cable (2) in with a load of 9.8 N (approximately 1 kg, 2.2 lb). Release the control cable and temporarily tighten
the control cable nut.
NOTE:
Do not move the manual lever. Make sure the manual lever
stays in the “P” position.
4. Tighten the control cable nut. CAUTION:
Secure the manual lever when tightening nut.
5. Check the operation of the CVT. Refer to CVT-164, "
Checking of CVT Position".
Checking of CVT PositionINFOID:0000000005398003
1. Place shift lever in “P” position, and turn ignition switch ON. (Do not start engine.)
2. Make sure shift lever can be shifted to other than “P” position when brake pedal is depressed. Also make
sure shift lever can be shifted from “P” position only when brake pedal is depressed.
3. Move the shift lever and check for excessive effort, sticking, noise or rattle.
4. Confirm the shift lever stops at each position with the feel of engagement when it is moved through all the
positions. Check that the actual position of the shift lever matches the position shown by the position indi-
cator and the manual lever on the transaxle.
SCIA6971E
SCIA6972E
Control cable nut: Refer to CVT-160, "Removal
and Installation".
WCIA0608E
Revision: January 20102010 Versa

SHIFT CONTROL SYSTEMCVT-165
< SERVICE INFORMATION > [RE0F08B]
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5. The method of operating the shift lever to individual positions correctly should be as shown.
• (A): Press shift lever button to operate shift lever, whiledepressing the brake pedal.
• (B): Press shift lever button to operate shift lever.
• (C): Shift lever can be operated without pressing shift lever button.
6. Confirm the back-up lamps illuminate only when shift lever is placed in the “R” position. Confirm the back-up lamps do not illu-
minate when the shift lever is pushed toward the “R” position
side with the gear position remained in the “P” or “N” position.
7. Confirm the engine can only be started with the shift lever in the “P” and “N” positions.
8. Make sure transaxle is locked completely in “P” position.
WCIA0620E
Revision: January 20102010 Versa

DI-2
< SERVICE INFORMATION >
PRECAUTION
SERVICE INFORMATION
PRECAUTION
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005612480
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SRS section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minu tes before performing any service.
Precaution Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000005977485
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
Revision: January 20102010 Versa

COMBINATION METERSDI-5
< SERVICE INFORMATION >
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SPEEDOMETER
With ABS
The ABS actuator and electric unit (control unit) provi des a vehicle speed signal to the combination meter via
CAN communication lines.
Without ABS or CVT
The vehicle speed sensor provides a vehicle speed signal to the combination meter for speedometer indica-
tion.
With CVT, Without ABS
The TCM provides a vehicle speed signal to the combination meter via CAN communication lines.
TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm). The ECM provides an engine speed
signal to combination meter via CAN communication lines.
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied
• to combination meter terminal 24
• through fuel level sensor unit and fuel pump terminal 5
• through fuel level sensor unit and fuel pump terminal 2
• from combination meter terminal 6.
ODO/TRIP METER
The vehicle speed signal and the memory signals from the meter memory circuit are processed by the combi-
nation meter and the mileage is displayed.
How to Change the Display
Refer to Owner's Manual for odo/trip meter operating instructions.
CAN COMMUNICATION SYSTEM DESCRIPTION
Refer to LAN-7 .
WKIA5370E
SKIB6904E
Revision: January 20102010 Versa

COMBINATION METERSDI-11
< SERVICE INFORMATION >
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Self-Diagnosis Mode of Combination MeterINFOID:0000000005395014
SELF-DIAGNOSIS MODE FUNCTION
• Self-diagnosis can check for continuity between meter control circuit and each meter (speedometer, tachom- eter and fuel gauge).
• Self-diagnosis can check for odo/trip meter and A/T indi cator (with A/T) or CVT indicator (with CVT) seg-
ment, low-fuel level warning lamp, low water temperature indicator lamp, and high water temperature warn-
ing lamp.
OPERATION PROCEDURE
1. Turn the ignition switch ON, and switch the odo/trip meter to “trip A” or “trip B”. NOTE:
13 B Illumination control switch (-) — —Refer to LT-110, "System Description" .
17 G Washer fluid level switch
(Canada models)
ONWasher fluid level low
0
Washer fluid level normal Battery voltage
21 BGround —— 0
22
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24 V Fuel level sensor ground (-) ON —0
26 B Vehicle speed sensor ground
(without ABS or CVT) ON
— 0
27 G Battery power supply OFF— Battery voltage
28 SB Ignition switch ON or START ON —Battery voltage
29 GR Seat belt buckle switch RH ON Unfastened (ON)
0
Fastened (OFF) Battery voltage
30 G Stop lamp switch ONBrake pedal depressed
Battery voltage
Brake pedal released 0
31 V A/T N-range input (with A/T) ON Transmission gear selector lever
in N position
Battery voltage
Transmission gear selector lever
other than N position 0
32 W A/T P-range input (with A/T) ON Transmission gear selector lever
in P position
Battery voltage
Transmission gear selector lever
other than P position 0
33 Y A/T PN output (with A/T) ON Transmission gear selector lever
in P or N position
0
Transmission gear selector lever
other than P or N position Battery voltage
35 BR Engine coolant temperature
signal output
ONAt idle [after warming up, approx.
80
°C (176 °F)]
NOTE:
The waveforms vary depending
on engine coolant temperature.
38 L Generator ONGenerator voltage low
0
Generator voltage no rmal Battery voltage
Te r -
mi-
nal
No. Wire
color Item Condition
Reference value (V)
(Approx.)
Ignition
switch Operation or condition
SKIB3651J
Revision: January 20102010 Versa

COMBINATION METERSDI-13
< SERVICE INFORMATION >
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CONSULT-III Function (METER/M&A)INFOID:0000000005395015
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
SELF-DIAGNOSTIC RESULTS
Display Item List
NOTE:
“TIME” indicates the following.
• 0: Indicates that a malfunction is detected at present.
• 1-63: Indicates that a malfunction was detected in the past. (Displays number of ignition switch OFF → ON
cycles after malfunction is detected. Self-di agnostic result is erased when “63” is exceeded.)
DATA MONITOR
Display Item List
METER diagnosis mode Description
SELF-DIAG RESULTS Displays combination meter self-diagnosis results. DATA MONITOR Displays combination meter input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
CONSULT-III display MalfunctionReference page
CAN COMM CIRC [U1000] Malfunction is detected in CAN communication lines.
CAUTION:
Even when there is no malfuncti
on on CAN communication system, mal-
function may be misinterpreted when battery has low voltage (when main-
taining 7 - 8 V for about 2 seconds) or 10A fuse [No. 14, located in the fuse
block (J/B)] is removed. DI-19
VEHICLE SPEED CIRC [B2205]
Malfunction is detected when an erroneous speed signal is input.
CAUTION:
Even when there is no malfunction
on speed signal system, malfunctions
may be misinterpreted when battery has low voltage (when maintaining 7
- 8 V for about 2 seconds). DI-16
Display item [Unit]
MAIN
SIGNALS SELECTION
FROM MENU Contents
SPEED METER [km/h] XXThe value of vehicle speed signa
l, which is input from ABS ac-
tuator and electric unit (control unit).
SPEED OUTPUT [km/h] XXThe value of vehicle speed signal, which is transmitted to each
unit with CAN communication.
TACHO METER [rpm] XX The value of engine speed signal, which is input from ECM.
W TEMP METER [ °C] X XThe value of engine coolant temperature signal, which is input
from ECM.
FUEL METER [lit.] XXThe value, which processes a resistance signal from fuel
gauge.
DISTANCE [km] XXThe value, which is calculated by vehicle speed signal from
ABS actuator and electric unit (control unit), fuel gauge and fuel
consumption signal from ECM.
FUEL W/L [ON/OFF] XX Indicates [ON/OFF] condition of low-fuel warning lamp.
C-ENG W/L [ON/OFF] XIndicates [ON/OFF] condition of malfunction indicator lamp
(MIL).
AIR PRES W/L X Indicates [ON/OFF] condition of low tire pressure warning lamp.
SEAT BELT W/L X Indicates [ON/OFF] condition of seat belt warning lamp.
BUZZER [ON/OFF] XX Indicates [ON/OFF] condition of buzzer.
DOOR W/L [ON/OFF] X Indicates [ON/OFF] condition of door warning lamp.
HI-BEAM IND [ON/OFF] X Indicates [ON/OFF] condition of high beam indicator lamp.
Revision: January 20102010 Versa

DI-16
< SERVICE INFORMATION >
COMBINATION METERS
3. Check continuity between combination meter harness connectorterminals and ground.
OK or NG
OK >> Replace combination meter. Refer to IP-12, "Removal
and Installation" .
NG >> Repair harness or connector.
Vehicle Speed Signal InspectionINFOID:0000000005395019
Symptom:
• Improper speedometer and odo/trip meter indication.
• Display VEHICLE SPEED CIRC [B2205] at the result of self-diagnosis for combination meter.
WITH ABS
1.CHECK COMBINATION METER INPUT SIGNAL
1. Start engine and select “METER/M&A” on CONSULT-III.
2. Using “SPEED METER” on “DATA MONITOR”, comp are the value of “DATA MONITOR” with speedome-
ter pointer of combination meter.
OK or NG
OK >> Perform ABS actuator and electric uni t (control unit) self-diagnosis. Refer to BRC-20, "CONSULT-
III Function (ABS)" .
NG >> Replace combination meter. Refer to IP-12, "
Removal and Installation" .
WITHOUT ABS OR CVT
1.CHECK VEHICLE SPEED SENSOR CIRCUITS
1. Remove vehicle speed sensor.
2. Turn ignition switch ON.
3. Rotate vehicle speed sensor while checking voltage between combination meter harness connector M24 terminals 5 and 26.
OK or NG
OK >> Replace combination meter. Refer to IP-12, "Removal and Installation" .
NG >> GO TO 2.
2.CHECK VEHICLE SPEED SENSOR
1. Turn ignition switch OFF.
2. Disconnect vehicle speed sensor connector.
3. Check resistance between vehicle speed sensor terminals 1 and 2.
Combination meter connector Terminal
GroundContinuity
M24 21
Ye s
22
23
PKIC0701E
Te r m i n a l s
Voltag e
(Approx.)
(+)
(–)
Connector Terminal Connector Terminal M24 5M24 26 0.5
LKIA0784E
WKIA5453E
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EC-1
ENGINE
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CONTENTS
ENGINE CONTROL SYSTEM
HR16DE
BASIC INSPECTION ....... ............................
15
DIAGNOSIS AND REPAIR WORK FLOW .... ....15
Work Flow ........................................................... ....15
Diagnostic Work Sheet ............................................18
INSPECTION AND ADJUSTMENT ....................20
BASIC INSPECTION .................................................20
BASIC INSPECTION : Spec ial Repair Require-
ment .................................................................... ....
20
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ....
23
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ................................
23
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .....
23
IDLE SPEED .......................................................... ....24
IDLE SPEED : Description ........................ ..............24
IDLE SPEED : Special R epair Requirement ...........24
IGNITION TIMING .................................................. ....24
IGNITION TIMING : Description ..............................24
IGNITION TIMING : Special Repair Requirement ....24
VIN REGISTRATION ............................................. ....24
VIN REGISTRATION : Description .........................24
VIN REGISTRATION : Special Repair Require-
ment ........................................................................
25
ACCELERATOR PEDAL RELEASED POSITION
LEARNING ............................................................ ....
25
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Description .........................................
25
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Special Repair Requirement ..............
25
THROTTLE VALVE CLOSED POSITION LEARN-
ING ......................................................................... ....
25
THROTTLE VALVE CLOSED POSITION
LEARNING : Description .........................................
25
THROTTLE VALVE CLOSED POSITION
LEARNING : Special Repair Requirement ..............
25
IDLE AIR VOLUME LEARNING ............................ ....25
IDLE AIR VOLUME LEARNING : Description .........25
IDLE AIR VOLUME LEARNI NG : Special Repair
Requirement ........................................................ ....
26
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR ................................................................... ....
27
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Description ................................................
27
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Special Repair Requirement .....................
27
FUNCTION DIAGNOSIS ..............................29
ENGINE CONTRO L SYSTEM ..........................29
System Diagram ................................................. ....29
System Description ..................................................30
Component Parts Location ....................................30
Component Description ...........................................34
MULTIPORT FUEL INJECTION SYSTEM .......36
System Diagram .....................................................36
System Description ..................................................36
Component Parts Location ....................................39
Component Description ...........................................43
ELECTRIC IGNITION SYSTEM ........................45
System Diagram .....................................................45
System Description ..................................................45
Component Parts Location ....................................46
Component Description ...........................................50
AIR CONDITIONING CUT CONTROL ..............52
System Diagram ......................................................52
System Description ..................................................52
Component Parts Location ....................................53
Component Description ...........................................57
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EC-5
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Diagnosis Procedure ...........................................
..
343
P0507 ISC SYSTEM .........................................345
Description .......................................................... ..345
DTC Logic .............................................................345
Diagnosis Procedure .............................................345
P0603 ECM POWER SUPPLY .........................347
Description .......................................................... ..347
DTC Logic .............................................................347
Diagnosis Procedure .............................................347
P0605 ECM .......................................................349
Description ............................................................349
DTC Logic .............................................................349
Diagnosis Procedure .............................................350
P0607 ECM .......................................................351
Description ............................................................351
DTC Logic .............................................................351
Diagnosis Procedure .............................................351
P0643 SENSOR POWER SUPPLY .................352
DTC Logic ........................................................... ..352
Wiring Diagram .....................................................353
Diagnosis Procedure .............................................353
P0850 PNP SWITCH ........................................356
Description ............................................................356
DTC Logic .............................................................356
Component Function Check ..................................357
Wiring Diagram .....................................................358
Diagnosis Procedure .............................................358
P1148 CLOSED LOOP CONTROL ..................361
DTC Logic .............................................................361
P1217 ENGINE OVER TEMPERATURE .........362
DTC Logic ........................................................... ..362
Component Function Check ..................................362
Diagnosis Procedure .............................................363
P1225 TP SENSOR ..........................................366
Description .......................................................... ..366
DTC Logic .............................................................366
Diagnosis Procedure .............................................366
Special Repair Requirement .................................367
P1226 TP SENSOR ........................................ ..368
Description .......................................................... ..368
DTC Logic .............................................................368
Diagnosis Procedure .............................................368
Special Repair Requirement .................................369
P1421 COLD START CONTROL ................... ..370
Description .......................................................... ..370
DTC Logic .............................................................370
Diagnosis Procedure .............................................370
P1715 INPUT SPEED SENSOR (PRIMARY
SPEED SENSOR) .......................................... ..
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Description .......................................................... ..372
DTC Logic ............................................................ ..372
Diagnosis Procedure .............................................372
P1805 BRAKE SWITCH .................................373
Description .............................................................373
DTC Logic ..............................................................373
Wiring Diagram ......................................................374
Diagnosis Procedure .............................................374
Component Inspection (Stop Lamp Switch) ..........376
P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY ....................................................
377
Description .............................................................377
DTC Logic ..............................................................377
Wiring Diagram ......................................................378
Diagnosis Procedure .............................................378
P2101 ELECTRIC THROTTLE CONTROL
FUNCTION ......................................................
381
Description ........................................................... ..381
DTC Logic ..............................................................381
Wiring Diagram ......................................................382
Diagnosis Procedure .............................................382
Component Inspection ...........................................385
Special Repair Requirement ..................................385
P2118 THROTTLE CONTROL MOTOR .........386
Description .............................................................386
DTC Logic ..............................................................386
Wiring Diagram ......................................................387
Diagnosis Procedure .............................................387
Component Inspection ...........................................388
Special Repair Requirement ..................................389
P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR .....................................................
390
Description .............................................................390
DTC Logic ..............................................................390
Diagnosis Procedure .............................................390
Special Repair Requirement ..................................391
P2122, P2123 APP SENSOR .........................392
Description .............................................................392
DTC Logic ..............................................................392
Wiring Diagram ......................................................393
Diagnosis Procedure .............................................393
Component Inspection ...........................................395
Special Repair Requirement ..................................395
P2127, P2128 APP SENSOR .........................396
Description .............................................................396
DTC Logic ..............................................................396
Wiring Diagram ......................................................397
Diagnosis Procedure .............................................397
Component Inspection ...........................................399
Special Repair Requirement ..................................400
P2135 TP SENSOR .........................................401
Description .............................................................401
DTC Logic ..............................................................401
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EC-6
Wiring Diagram ......................................................402
Diagnosis Procedure .............................................402
Component Inspection ...........................................404
Special Repair Requirement ..................................404
P2138 APP SENSOR ..................................... .405
Description ........................................................... ..405
DTC Logic ..............................................................405
Wiring Diagram ......................................................406
Diagnosis Procedure .............................................406
Component Inspection ...........................................409
Special Repair Requirement ..................................409
P2A00 A/F SENSOR 1 ................................... .410
Description ........................................................... ..410
DTC Logic ..............................................................410
Wiring Diagram ......................................................411
Diagnosis Procedure .............................................412
COOLING FAN ................................................415
Description ........................................................... ..415
Component Function Check ..................................415
Wiring Diagram ......................................................416
Diagnosis Procedure .............................................417
Component Inspection ...........................................419
ELECTRICAL LOAD SIGNAL .........................421
Description ........................................................... ..421
Component Function Check ..................................421
Diagnosis Procedure .............................................421
FUEL INJECTOR .............................................423
Description ........................................................... ..423
Component Function Check ..................................423
Wiring Diagram ......................................................424
Diagnosis Procedure .............................................424
Component Inspection ...........................................425
FUEL PUMP .....................................................427
Description ........................................................... ..427
Component Function Check ..................................427
Wiring Diagram ......................................................428
Diagnosis Procedure .............................................428
Component Inspection ...........................................430
IGNITION SIGNAL ...........................................432
Description ........................................................... ..432
Component Function Check ..................................432
Wiring Diagram ......................................................433
Diagnosis Procedure .............................................434
Component Inspection (Ignition Coil with Power
Transistor) .............................................................
437
Component Inspection (Condenser-2) ..................438
MALFUNCTION INDICATOR LAMP ...............439
Description ........................................................... ..439
Component Function Check ..................................439
Wiring Diagram ......................................................440
Diagnosis Procedure .............................................441
ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) .....................................................
443
Description ........................................................... .443
Component Function Check .................................443
Diagnosis Procedure .............................................443
Component Inspection (Refueling EVAP vapor cut
valve) ................................................................... .
446
Component Inspection (Drain filter) ......................448
POSITIVE CRANKCASE VENTILATION .........449
Description ........................................................... .449
Component Inspection ..........................................449
REFRIGERANT PRESSURE SENSOR ...........450
Description ........................................................... .450
Component Function Check .................................450
Wiring Diagram .....................................................451
Diagnosis Procedure .............................................451
ECU DIAGNOSIS ......................................454
ECM ................................................................ ..454
Reference Value .................................................. .454
Wiring Diagram — ENGINE CONTROL SYSTEM
— ..........................................................................
464
Fail Safe ...............................................................465
DTC Inspection Priority Chart .............................467
DTC Index ............................................................468
How to Set SRT Code .......................................471
How to Erase Permanent DTC .............................473
Test Value and Test Limit .....................................477
SYMPTOM DIAGNOSIS ...........................484
ENGINE CONTROL SYSTEM SYMPTOMS .. ..484
Symptom Table .................................................... .484
NORMAL OPERATING CONDITION ...............488
Description ........................................................... .488
PRECAUTION ...........................................489
PRECAUTIONS .............................................. ..489
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. .
489
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ................................
489
Precaution for Procedure without Cowl Top Cover .490
On Board Diagnosis (OBD) System of Engine and
A/T ........................................................................
490
General Precautions .............................................490
PREPARATION .........................................494
PREPARATION .............................................. ..494
Special Service Tools .......................................... .494
Commercial Service Tools ....................................494
ON-VEHICLE MAINTENANCE .................496
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