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

Wiring Diagram - TIRE PRESSURE MONITORING SYSTEM - Coupe

Wiring Diagram - TIRE PRESSURE MONITORING SYSTEM - Sedan

Self-Diagnosis (With CONSULT-III)

FUNCTION

Self-Diagnostic Results Mode

NOTE: Before performing the self-diagnosis, be sure to register the ID or else the actual malfunction location may be different from that displayed on CONSULT-III.

Self-Diagnosis (Without CONSULT-III)

SELF DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-III)

1. Turn ignition switch ON.

2. Ground the tire pressure warning check connector to initiate self diagnosis.

3. Compare the flashing pattern with the flash code chart below.

NOTE: The system is normal when the low tire pressure warning lamp flashes 5 times and continues repeating. Selfdiagnosis results are erased automatically by turning the ignition switch “OFF”.

    C1734 control unit
    Description An internal malfunction has been detected in the TPMS function of the BCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.CHECK SELF-DIAGNOSTIC RESULTS 1. On SELECT DI ...

    Symptom diagnosis
    ...

    Other materials:

    CD Changer
    Removal and Installation REMOVAL 1. Remove the Cluster D lower finisher. Refer to IP-12, "Removal and Installation". 2. Put selector lever in the drive "D" position (CVT models only). 3. Put shift lever in neutral (M/T models only). 4. Using a suitable tool remove t ...

    Power supply routing circuit
    Wiring Diagram — Battery Power Supply — Wiring Diagram — Accessory Power Supply — Wiring Diagram — Ignition Power Supply — Fuse • If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. • Use fuse of sp ...

    ABS 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 ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit s ...