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

Diagnosis Procedure

1. CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible link are not blown.

Is the fuse blown? YES >> Replace the blown fuse or fusible link after repairing the affected circuit.

NO >> GO TO 2

2. CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connectors.

3. Check voltage between IPDM E/R harness connector and ground.

Is the measurement value normal? YES >> GO TO 3

NO >> Repair harness or connector.

3. CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and ground.

Does continuity exist? YES >> Inspection End.

NO >> Repair harness or connector.

    B2099 ignition relay off stuck
    Description • IPDM E/R operates the ignition relay when it receives an ignition switch ON signal from BCM via CAN communication. • Turn the ignition relay OFF by pressing the push-button ig ...

    ECU diagnosis
    IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram — Coupe ...

    Other materials:

    B210b starter control relay
    Description Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and the steering is locked or unlocked. It is installed in parallel with the starter relay. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B210B is displayed with DTC U1 ...

    U1000 can comm circuit
    Description CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern vehicle is equipped with many electronic control unit, and ea ...

    Engine oil
    Inspection OIL LEVEL • Before starting the engine, check the oil level. If the engine is already started, stop it and allow 10 minutes before checking. • Check that the oil level is within the range on the dipstick. • If it is out of range, add oil as necessary. Refer to LU-9, " ...