Nissan Altima 2007-2012 Service Manual: Power supply and ground circuit

Component diagnosis
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Power window main switch
 Description • BCM supplies power. • It operates each power window motor via corresponding power window switch and makes window move up/ down when main power window and door lock/unloc ...

Other materials:

Front door speaker (sedan)
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 front door speakers using the audio signal circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B121 and su ...

Headlamp (halogen)
Wiring Diagram - Coupe Wiring Diagram - Sedan ...

Ignition signal
Description The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit. Component Function Check 1.INSPECTION ...