Nissan Altima 2007-2012 Service Manual: Component diagnosis

Self-diagnosis function
Diagnosis Description SELF-DIAGNOSIS SYSTEM The self-diagnosis system is built into the front air control to quickly locate the cause of malfunctions. SELF-DIAGNOSIS FUNCTION The self-diagnosis ...

Lan system circuit
Description SYMPTOM: Mode door motor, intake door motor and/or air mix door motor does not operate normally. Diagnosis Procedure DIAGNOSIS PROCEDURE FOR LAN CIRCUIT 1.CHECK POWER SUPPLY FOR D ...

Other materials:

P0868 secondary pressure down
Description The pressure control solenoid valve B (secondary pressure solenoid valve) regulates the secondary pressure to suit the driving condition in response to a signal sent from the TCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe ...

Both side headlamps (LO) are not turned on
Description The headlamps (both sides) do not turn ON in any lighting switch setting. Diagnosis Procedure 1.CHECK COMBINATION SWITCH Check the combination switch. Refer to BCS-10, "System Description". Is the combination switch normal? YES >> GO TO 2 NO >> Repair or r ...

Common item
 Diagnosis Description BCM CONSULT-III FUNCTION CONSULT-III performs the following functions via CAN communication with BCM. SYSTEM APPLICATION BCM can perform the following functions for each system. NOTE: It can perform the diagnosis modes except the following for all sub system ...