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 ...

    Other materials:

    B26e1 no reception of engine status signal
    Description BCM receives the engine status signal from ECM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic". • If DTC B26E1 is displayed w ...

    Vehicle security system
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART OPERATION FLOW SETTING THE VEHICLE SECURITY SYSTEM Initial Condition • Ignition switch is in OFF position. Disarmed Phase • When doors or trunk is open, the vehicle security system is set in the disarmed phase on the ass ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the dr ...