Nissan Altima 2007-2012 Service Manual: Basic inspection

Special Repair Requirement

1.INSPECTION START

1. Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance.

2. Open engine hood and check the following: - Harness connectors for improper connections

- Wiring harness for improper connections, pinches and cut

- Vacuum hoses for splits, kinks and improper connections

- Hoses and ducts for leakage

- Air cleaner clogging

- Gasket

3. Check that electrical or mechanical loads are not applied.

- Head lamp switch is OFF.

- Air conditioner switch is OFF.

- Rear window defogger switch is OFF.

- Steering wheel is in the straight-ahead position, etc.

4. Start engine and warm it up until engine coolant temperature indicator points to the middle of gauge.

Check that engine stays below 1,000 rpm.

5. Run engine at approximately 2,000 rpm for approximately 2 minutes under no load.

6. Check that no DTC is displayed with CONSULT-III or GST.

Are any DTCs detected? YES >> GO TO 2.

NO >> GO TO 3.

2.REPAIR OR REPLACE

Repair or replace components as necessary according to corresponding Diagnostic Procedure.

>> GO TO 3

3.CHECK IDLE SPEED

1. Run engine at approximately 2,000 rpm for approximately 2 minutes under no load.

2. Rev engine between 2,000 and 3,000 rpm two or 3 times under no load, then run engine at idle speed for approximately 1 minute.

3. Check idle speed.

For procedure, refer to EC-1052, "IDLE SPEED : Special Repair Requirement".

For specification, refer to EC-1585, "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-1053, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement".

>> GO TO 5.

5.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

Perform EC-1053, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".

>> GO TO 6.

6.PERFORM IDLE AIR VOLUME LEARNING

Perform EC-1053, "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 IDLE SPEED AGAIN

1. Start engine and warm it up to normal operating temperature.

2. Check idle speed.

For procedure, refer to EC-1052, "IDLE SPEED : Special Repair Requirement".

For specification, refer to EC-1585, "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-1297, "Diagnosis Procedure".

• Check crankshaft position sensor (POS) and circuit. Refer to EC-1293, "Diagnosis Procedure".

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-15, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (COUPE models) or SEC-214, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (SEDAN models).

>> GO TO 4.

10.CHECK IGNITION TIMING

1. Run engine at idle.

2. Check ignition timing with a timing light.

For procedure, refer to EC-1052, "IGNITION TIMING : Special Repair Requirement".

For specification, refer to EC-1585, "Ignition Timing".

Is the inspection result normal? YES >> GO TO 19.

NO >> GO TO 11.

11.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING

1. Stop engine.

2. Perform EC-1053, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement".

>> GO TO 12.

12.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

Perform EC-1053, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".

>> GO TO 13.

13.PERFORM IDLE AIR VOLUME LEARNING

Perform EC-1053, "IDLE AIR VOLUME LEARNING : Special Repair Requirement".

Is Idle Air Volume Learning carried out successfully? YES >> GO TO 14.

NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.

14.CHECK IDLE SPEED AGAIN

1. Start engine and warm it up to normal operating temperature.

2. Check idle speed.

For procedure, refer to EC-1052, "IDLE SPEED : Special Repair Requirement".

For specification, refer to EC-1585, "Idle Speed".

Is the inspection result normal? YES >> GO TO 15.

NO >> GO TO 17.

15.CHECK IGNITION TIMING AGAIN

1. Run engine at idle.

2. Check ignition timing with a timing light.

For procedure, refer to EC-1052, "IGNITION TIMING : Special Repair Requirement".

For specification, refer to EC-1585, "Ignition Timing".

Is the inspection result normal? YES >> GO TO 19.

NO >> GO TO 16.

16.CHECK TIMING CHAIN INSTALLATION

Check timing chain installation. Refer to EM-166, "Installation".

Is the inspection result normal? YES >> GO TO 17.

NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.

17.DETECT MALFUNCTIONING PART

Check the following.

• Check camshaft position sensor (PHASE) and circuit. Refer to EC-1297, "Diagnosis Procedure".

• Check crankshaft position sensor (POS) and circuit. Refer to EC-1293, "Diagnosis Procedure".

Is the inspection result normal? YES >> GO TO 18.

NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.

18.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 EC-1051, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".

>> GO TO 4.

19.INSPECTION END

If ECM is replaced during this BASIC INSPECTION procedure, perform EC-1051, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".

>> INSPECTION END

    Additional service when replacing control unit
     Description When replacing ECM, the following procedure must be performed.  Special Repair Requirement 1.PERFORM INITIALIZATION OF NVIS (NATS) SYSTEM AND REGISTRATION OF ALL NVIS (NATS ...

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