Nissan Altima 2007-2012 Service Manual: 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 connector and combination switch harness connector.

Does continuity exist? YES >> GO TO 2

NO >> Repair or replace harness.

2. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

Check for continuity between BCM harness connector and ground.

Does continuity exist? YES >> Repair or replace harness.

NO >> GO TO 3

3. CHECK COMBINATION SWITCH OUTPUT VOLTAGE

1. Connect the BCM and combination switch.

2. Turn ON any switch in the system that is malfunctioning.

3. Check voltage between combination switch harness connector and ground.

Is the measurement normal when any of the switches is turned ON? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".

NO >> Replace the combination switch. Refer to WW-121, "Removal and Installation".

Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

Initialize control unit. Refer to BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement".

>> Work End.

    Combination switch input circuit
    Diagnosis Procedure 1. CHECK INPUT 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 ...

    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 a ...

    Other materials:

    P0451 evap control system pressure sensor
    Description The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously cond ...

    P0300, P0301, P0302, P0303, P0304, P0305, P0306 Misfire
    DTC Logic DTC DETECTION LOGIC When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the crankshaft position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is occurring. The misfire detection logic consists of the following t ...

    Normal operating condition
    Description FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED) If the engine speed is above 1,800 rpm under no load (for example, the selector lever position is neutral and engine speed is over 1,800 rpm) fuel will be cut off after some time. The exact time when the fuel is cut off varies b ...