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:

Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the dr ...

P0720 vehicle speed sensor cvt (secondary speed sensor)
Description The vehicle speed sensor CVT [output speed sensor (secondary speed sensor)] detects the revolution of the CVT output shaft and emits a pulse signal. The pulse signal is transmitted to the TCM, which converts it into vehicle speed. DTC Logic DTC DETECTION LOGIC DTC CONFIRMAT ...

P0840 transmission fluid pressure sensor A (sec pressure sensor)
Description The transmission fluid pressure sensor A (secondary pressure sensor) detects secondary pressure of CVT and sends TCM the signal. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE NOTE: If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn igni ...