Nissan Altima 2007-2012 Service Manual: Function diagnosis

Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW Work Flow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW FOR MALFUNCTION Find out what the customer's concerns are. >> GO TO 2 2.SYMPTOM CHECK Verify the s ...

Headlamp (xenon type)
System Diagram System Description Control of the headlamp system is dependent upon the position of the lighting switch (combination switch). When the lighting switch is placed in the 2nd pos ...

Other materials:

Bluetooth control unit
 Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the Bluetooth control unit are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2.CHECK POWER SUPPLY CIRCUIT Check voltage between Blue ...

Center speaker
Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the center speaker using the audio signal circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B121 and cente ...

Cooling fan
Description The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant pressure, and air conditioner ON signal. The control system has 4-step control [HIGH/MIDDLE/LOW/OFF]. COOLING FAN MOTOR The cooling fan operates at each speed when the cur ...