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:

The light reminder warning does not sound
Description Light reminder warning does not sound even though headlamp is illuminated. Diagnosis Procedure 1. CHECK COMBINATION SWITCH (LIGHT SWITCH) OPERATION Check that the headlamps operate normally by operating the combination switch (light switch). Do they operate normally? YES > ...

Combination switch reading system
System Diagram System Description OUTLINE • BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the status of each switch. • BCM is a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5). It reads a m ...

DLC branch line circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side) ...