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

Fail Safe

DTC Inspection Priority Chart

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

DTC Index

NOTE:

Details of time display

• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning ignition switch OFF → ON again.

• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1 → 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch OFF → ON after returning to the normal condition if the malfunction is detected again.

    Combination switch output circuit
    Diagnosis Procedure 1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN 1. Turn the ignition switch OFF. 2. Disconnect the BCM and combination switch. 3. Check continuity between BCM harness connect ...

    Symptom diagnosis
    COMBINATION SWITCH SYSTEM SYMPTOMS Symptom Table 1. Perform the data monitor of CONSULT-III to check for any malfunctioning item. 2. Check the malfunction combinations. 3. Identify the malfu ...

    Other materials:

    Fuel pressure
    Inspection FUEL PRESSURE RELEASE 1. Turn ignition switch ON. 2. Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode with CONSULT-III. 3. Start engine. 4. After engine stalls, crank it two or three times to release all fuel pressure. 5. Turn ignition switch OFF. 1. Rem ...

    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 ...

    Audio unit (sedan)
    Reference Value TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram — Sedan ...