Nissan Sentra. Instruction — part 360
EC-136
< BASIC INSPECTION >
[MRA8DE]
ADDITIONAL SERVICE WHEN REPLACING ECM
Replace ECM. Refer to
EC-485, "Removal and Installation"
>> GO TO 6.
6.
PERFORM INITIALIZATION OF IVIS (NATS) SYSTEM AND REGISTRATION OF ALL IVIS (NATS) IGNI-
TION KEY IDS
Refer to
SEC-61, "ECM : Work Procedure"
(With Intelligent Key System) or
(Without Intelligent Key System).
>> GO TO 7.
7.
CHECK ECM DATA STATUS
Check if the data is successfully copied from the ECM at Step 1 (before replacement) and saved in CONSULT.
Is the data saved successfully?
YES
>> GO TO 8.
NO
>> GO TO 9.
8.
WRITE ECM DATA
With CONSULT
1. Select “WRITING DATA FOR REPLC CPU” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
2. Follow the instruction of CONSULT display.
NOTE:
The data saved by “SAVING DATA FOR REPLC CPU” is written to ECM.
>> GO TO 10.
9.
PERFORM VIN REGISTRATION
>> GO TO 10.
10.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Perform Accelerator Pedal Released Position Learning. Refer to
>> GO TO 11.
11.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform Throttle Valve Closed Position Learning. Refer to
.
>> GO TO 12.
12.
PERFORM IDLE AIR VOLUME LEARNING
Perform Idle Air Volume Learning. Refer to
>> END
VIN REGISTRATION
EC-137
< BASIC INSPECTION >
[MRA8DE]
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VIN REGISTRATION
Description
INFOID:0000000009758401
VIN Registration is an operation to registering VIN in ECM. It must be performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM may be required for Inspection & Maintenance (I/M).
Work Procedure
INFOID:0000000009758402
1.
CHECK VIN
Check the VIN of the vehicle and note it. Refer to
GI-23, "Identification Number"
.
>> GO TO 2.
2.
PERFORM VIN REGISTRATION
With CONSULT
1. Turn ignition switch ON and engine stopped.
2. Select “VIN REGISTRATION” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
3. Follow the instruction of CONSULT display.
>> END
EC-138
< BASIC INSPECTION >
[MRA8DE]
ACCELERATOR PEDAL RELEASED POSITION LEARNING
ACCELERATOR PEDAL RELEASED POSITION LEARNING
Description
INFOID:0000000009758403
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.
Work Procedure
INFOID:0000000009758404
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
EC-139
< BASIC INSPECTION >
[MRA8DE]
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THROTTLE VALVE CLOSED POSITION LEARNING
Description
INFOID:0000000009758405
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 the harness con-
nector of the electric throttle control actuator or ECM is disconnected or electric throttle control actuator inside
is cleaned.
Work Procedure
INFOID:0000000009758406
1.
START
With CONSULT
1. Turn ignition switch ON.
2. Select “CLSD THL POS LEARN” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
3. Follow the instructions on the CONSULT display.
4. Turn ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during the above 10 seconds by confirming the operating sound.
Without CONSULT
1. Start the engine.
NOTE:
Engine coolant temperature is 25
°C (77°F) or less before engine starts.
2. Warm up the engine.
NOTE:
Raise engine coolant temperature until it reaches 65
°C (149°F) or more.
3. Turn ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during the above 10 seconds by confirming the operating sound.
>> END
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