Nissan Altima 2007-2012 Service Manual: Self-diagnosis cannot be performed

Diagnosis Procedure

SYMPTOM: Self-diagnosis cannot be performed.

1.CHECK SELF-DIAGNOSIS FUNCTION

1. Press ignition switch ON.

2. Set in self-diagnosis mode as follows. Within 10 seconds after starting engine (ignition switch is Pressed ON.), press OFF switch for at least 5 seconds.

NOTE: • If battery voltage drops below 12 V during diagnosis STEP-3, door motor speed becomes slower and as a result, the system may generate an error even when operation is normal. To avoid this, start engine before performing this diagnosis.

• Former STEP-1 (LEDs are checked) does not exist in this self-diagnosis function.

• OFF switch may not be recognized according to the timing of pressing it. Operate OFF switch after turning the intake switch LEDs (REC) ON.

Does self-diagnosis function operate? YES >> Inspection End.

NO >> GO TO 2

2.PERFORM COMPLETE OPERATIONAL CHECK

Perform a complete operational check and check for any symptoms. Refer to HAC-5, "Description and Conditions".

Can a symptom be duplicated? YES >> Refer to HAC-83, "Symptom Matrix Chart".

NO >> GO TO 3

3.CHECK FOR SERVICE BULLETINS

Check for any service bulletins.

Have any service bulletins been issued? YES >> Refer to appropriate bulletin.

NO >> GO TO 4

4.CHECK POWER SUPPLY AND GROUND CIRCUIT OF FRONT AIR CONTROL

Check power supply and ground circuit of front air control. Refer to HAC-61, "Diagnosis Procedure".

Is the inspection result normal? YES >> Replace front air control. Refer to VTL-8, "Removal and Installation".

NO >> Repair or replace malfunctioning part(s).

    Noise
    Component Function Check SYMPTOM: Noise INSPECTION FLOW *1 HAC-5, "Operational Check" *2 EM-16, "Checking Drive Belts" (QR25DE) or EM-121, "Checking Drive Belts" ...

    Memory function does not operate
    Diagnosis Procedure SYMPTOM: Memory function does not operate. The setting is not maintained (it returns to the initial condition). Inspection procedure 1.CHECK OPERATION 1. Set temperature co ...

    Other materials:

    Front stabilizer
    Removal and Installation REMOVAL 1. Remove steering gear. Refer to ST-17, "Removal and Installation". 2. Remove mounting nuts on upper portion of stabilizer connecting rod. 3. Remove stabilizer clamp bolts. 4. Remove stabilizer from the vehicle. INSPECTION AFTER REMOVAL Check ...

    On-vehicle repair
    TRANSMISSION CONTROL MODULE Exploded View 1. TCM 2. Bracket 3. Battery Removal and Installation REMOVAL 1. Disconnect the battery negative terminal. Refer to PG-139, "Removal and Installation". 2. Remove the fresh air intake tube (upper) EM-25, "Removal and Installat ...

    Engine oil
     Changing Engine Oil WARNING: • Be careful not to burn yourself, as the engine oil may be hot. • Prolonged and repeated contact with used engine oil may cause skin cancer: try to avoid direct skin contact with used oil. If skin contact is made, wash thoroughly with soap or hand c ...