Nissan Altima 2007-2012 Service Manual: Power generation voltage variable control system operation inspection

Inspection Procedure

CAUTION: When performing this inspection, always use a charged battery that has completed the battery inspection.

(When the charging rate of the battery is low, the response speed of the voltage change will become slow. This can cause an incorrect inspection.)

1.CHECK ECM (CONSULT-III)

Perform ECM self-diagnosis with CONSULT-III. Refer to EC-125, "CONSULT-III Function" (QR25DE for California), EC-654, "CONSULT-III Function" (QR25DE except for California) or EC-1155, "CONSULT-III Function" (VQ35DE).

Self-diagnostic results content

No malfunction detected>> GO TO 2

Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.

2.CHECK OPERATION OF POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM

1. Connect CONSULT-III and start the engine.

2. The selector lever is in

    Charging system preliminary inspection
    Inspection Procedure 1.CHECK BATTERY TERMINALS CONNECTION Check if battery terminals are clean and tight. Is the inspection result normal? YES >> GO TO 2 NO >> Repair battery termi ...

    B Terminal circuit
    Description The terminal ...

    Other materials:

    IPDM-E branch line 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 terminals and connectors of the IPDM E/R for damage, bend and loose connection (unit side and connector side). Is the in ...

    Variable induction air system
    Description Power Valves 1 and 2 The power valves 1 and 2 are installed in intake manifold collector and used to control the suction passage of the variable induction air control system. They are set in the fully closed or fully opened position by the power valve actuators 1 and 2 operated b ...

    On-vehicle repair
    BATTERY Removal and Installation REMOVAL 1. Remove air duct (front). Refer to EM-25, "Removal and Installation" QR25DE models, EM-129, "Removal and Installation" VQ35DE models. 2. Loosen battery terminal nuts, and disconnect both battery terminals. CAUTION: When disc ...