Nissan Altima 2007-2012 Service Manual: 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-pinch

3: With LH and RH front window anti-pinch

4: With Intelligent Key

5: Without Intelligent Key

Wiring Diagram - Coupe

Wiring Diagram - Sedan

    Passenger side door mirror defogger
    Description Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up. Component Function Check 1.CHECK DOOR MIRROR DEFOGGER RH ...

    Other materials:

    B2557 vehicle speed
    Description BCM receives the 2 vehicle speed signals via CAN communication. One signal is transmitted by the “unified meter”. Another signal is transmitted by “ABS actuator and electric unit (control unit)”. BCM compares both signals to detect the vehicle speed. DTC Logic DTC DETE ...

    Engine oil
    Inspection OIL LEVEL NOTE: • Before starting the engine, check the oil level. If the engine is already started, stop it and allow 10 minutes before checking. • Check that the oil level is within the range as indicated on the dipstick. • If it is out of range, add oil as necessary. Re ...

    Insufficient cooling
    Component Function Check SYMPTOM: Insufficient cooling INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECREASE 1. Press the A/C switch. 2. Turn temperature control dial counterclockwise to maximum cold. 3. Check for cold air at discharge air outlets. Can ...