Nissan Altima 2007-2012 Service Manual: Power supply and ground circuit

Diagnosis Procedure

1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connection E9. Refer to Ground Inspection in GI-45, "Circuit Inspection".

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace ground connection.

2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT

1. Disconnect ECM harness connector.

2. Check the continuity between ECM harness connector and ground.

3. Also check harness for short to power.


3. Also check harness for short to power.

is the inspection result normal? YES >> GO TO 4.

NO >> GO TO 3.

3.DETECT MALFUNCTIONING PART

Check the following.

    Trouble diagnosis - specification value
    Description The specification (SP) value indicates the tolerance of the value that is displayed in ...

    U0101 can comm circuit
    Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excelle ...

    Other materials:

    Terms
    It is important to familiarize yourself with the following terms before loading your vehicle: ● Curb Weight (actual weight of your vehicle) - vehicle weight including: standard and optional equipment, fluids, emergency tools, and spare tire assembly. This weight does not include passen ...

    Rear window defogger relay
    Description Power is supplied to the rear window defogger with BCM control. Component Function Check 1. CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when turning the rear window de ...

    Main line between DLC and ABS 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 following terminals and connectors for damage, bend and loose connection (connector side and harness side). - Harness co ...