Nissan Altima 2007-2012 Service Manual: Component diagnosis

Retaind PWR
CONSULT-III Function (BCM - RETAINED PWR) Data monitor ...

Power supply and ground circuit
SUNROOF MOTOR ASSEMBLY  Description • BCM supplies power. • CPU is integrated in sunroof motor assembly. • Tilts up/down & slides open/close by sunroof switch operation. • ...

Other materials:

Headlamp
Description Headlamp lighting when theft warning system is in alarm phase. Component Function Check 1.CHECK HEADLAMP OPERATION Check if headlamps operate by lighting switch. Does headlamp come on when turning switch “ON”? YES >> Headlamp circuit is OK. NO >> Check headlam ...

B2193, P1612 chain of ECM-IMMU
Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON. DTC Logic DTC DETECTION LOGI ...

Sound signal circuit (sedan)
SATELLITE RADIO TUNER  Description Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the sound signal circuits. Diagnosis Procedure LEFT CHANNEL 1.CHECK HARNESS 1. Turn ignition switch OFF. 2. Disconnect satellite radio tune ...