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:
Reverse signal circuit
Description
A reverse signal is supplied from the back-up lamp relay to the rear view
camera control unit. When this signal
is received, the display shows a view to the rear of the vehicle.
Diagnosis Procedure
1.BACK-UP LAMP INSPECTION
1. Turn ignition switch ON.
2. Shift selector lever t ...
Washer level switch signal circuit
Description
Transmits the washer level switch signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Monitor “WASHER W/L” of “DATA MONITOR” under the following conditions.
>> Inspection End ...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions thatexist
when the noise occurs. Use the Diagnostic
Worksheet during the interviewto document the facts and conditions when the
noise occurs and any
customer's ...