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:
Condenser
Removal and Installation - Coupe
REMOVAL
1. Remove the rear seat cushion and the rear seatback.
Refer to SE-25, "Removal and Installation".
2. Remove the rear kicking plate, rear wheel well garnish and the rear pillar
finisher.
Refer to INT-19, "Removal and Installation&q ...
B2602 shift position
Description
BCM confirms the shift position with the following 2 signals.
• CVT selector lever
• Speed signal from meter
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
SEC-36, "DTC Lo ...
Additional service when removing battery
negative terminal
Description
Initial setting is necessary when battery terminal is diconnected.
CAUTION:
The following specified operations are not performed under the non-initialized
condition.
• Auto-up operation
• Anti-pinch function
• Retained power operation
Special Repair
Requirem ...