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:

    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 ...

    Additional service when removing battery negative terminal
     Description Initial setting is necessary when battery terminal is diconnected. CAUTION: The following specified operations are not performed under the non-initialized condition. • Auto-up operation • Anti-pinch function • Retained power operation  Special Repair Requirem ...

    Seat belt extenders
    If, because of body size or driving position, it is not possible to properly fit the lap/shoulder belt and fasten it, an extender that is compatible with the installed seat belts is available that can be purchased. The extender adds approximately 8 in (200 mm) of length and may be used for eith ...