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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Power Control System (IPDM E/R) (Exc Hybrid) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSIBLE LINK

    Check that the following IPDM E/R fusible links are not blown.

    Signal name Fusible link No.
    Battery power supply D (80 A)
    F (60 A)
    R (30 A)

    Is the fuse fusing?

    YES 

    Replace the blown fusible link after repairing the affected circuit if a fusible link is blown.

    NO 

    GO TO STEP 2  .

  2. CHECK POWER SUPPLY CIRCUIT

    1. Turn the ignition switch OFF.
    2. Disconnect IPDM E/R connector.
    3. Check voltage between IPDM E/R harness connector and the ground.
      (+) (-) Voltage
      IPDM E/R
      Connector Terminal
      E118 1 Ground 6 - 16 V
      2
      E119 3

    Is the measurement value normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair the harness or connector.

  3. CHECK GROUND CIRCUIT

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

    IPDM E/R Ground Continuity
    Connector Terminal
    E120 7 Existed
    E121 41

    Does continuity exist?

    YES 

    INSPECTION END

    NO 

    Repair the harness or connector.

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