Nissan Altima 2007-2012 Service Manual: Function diagnosis

INTERIOR ROOM LAMP CONTROL SYSTEM

System Diagram

System Description

OUTLINE

• Interior room lamps* are controlled by interior room lamp timer control function of BCM.

*:Front room/map lamps and personal lamps (when lamp switch is in DOOR position).

• Trunk room lamp is controlled by trunk room lamp control function of BCM.

• Step lamps are controlled by step lamp control function of BCM.

ILLUMINATION

Wiring Diagram - Coupe

Wiring Diagram - Sedan

    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 sy ...

    ECU diagnosis
    BCM (BODY CONTROL MODULE) Reference Value VALUES ON THE DIAGNOSIS TOOL Terminal Layout Physical Values 1: Sedan only 2: With LH front window anti ...

    Other materials:

    Cooling fan control
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: The ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to ECM via the CAN communication line. SYSTEM DESCRIPTION The ECM controls the cooling fan correspondin ...

    License lamp finisher
    Removal and Installation 1. License lamp finisher REMOVAL 1. Remove the trunk lid finisher (if equipped). Refer to INT-23, "Removal and Installation". 2. Remove the license lamp finisher nuts. 3. Remove license lamp finisher by pulling toward the rear, then disconnect the tr ...

    Steering switch
    Description When one of the steering wheel audio control switches is pushed, the resistance in steering switch circuit changes depending on which button is pushed. Diagnosis Procedure 1.CHECK STEERING SWITCH RESISTANCE 1. Disconnect steering switch connector M88. 2. Check resistance betw ...