Nissan Quest E52. Manual - part 480
EC-130
< BASIC INSPECTION >
[VQ35DE]
BASIC INSPECTION
2.
Rev engine (2,000 to 3,000 rpm) 2 or 3 times under no load,
then run engine at idle speed for approximately 1 minute.
3.
Check idle speed.
For procedure, refer to
For specification, refer to
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 4.
4.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1.
Stop engine.
2.
.
>> GO TO 5.
5.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform
>> GO TO 6.
6.
PERFORM IDLE AIR VOLUME LEARNING
Perform
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 IDLE SPEED AGAIN
1.
Start engine and warm it up to normal operating temperature.
2.
Check idle speed.
For procedure, refer to
For specification, refer to
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
.
• Check crankshaft position sensor (POS) and circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace malfunctioning part. Then GO TO 4.
9.
CHECK ECM FUNCTION
1.
Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the incident,
although this is rare.)
2.
Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to
SEC-58, "ECM : Work Procedure"
>> GO TO 4.
10.
CHECK IGNITION TIMING
1.
Run engine at idle.
2.
Check ignition timing with a timing light.
For procedure, refer to
PBIA8513J