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:
B210a steering lock condition switch
Description
There are 2 switches in the steering unit. IPDM E/R compares those 2 switches
conditions to judge the
present steering status and transmit the result to BCM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B210A is displayed with DTC U1000, first perform the ...
Driver side door mirror defogger
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the door mirror
from fogging up.
Component Function Check
1. CHECK DOOR MIRROR DEFOGGER LH
Check that heating wire of door mirror defogger LH is heated when turning the
rear window defo ...
Intake door motor
Description
SYSTEM DESCRIPTION
Component Parts
Intake door control system components are:
• Front air control
• Intake door motor (LCU)
• In-vehicle sensor
• Ambient sensor
• Sunload sensor
• Intake sensor
System Operation
The intake door control determines intake door positi ...