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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Power Control System (IPDM E/R) (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK FUSIBLE LINKS

    Check that the following fusible links are not blown.

    Terminal No. Signal name Fusible link No.
    1 Fusible link main E (80A)
    2 Fusible link IPDM E/R A (250A), C (80A)
    3 Fusible link ignition switch A (250A), B (100A), K (40A)

    Is the fusible link blown?

    YES 

    Replace the blown fusible link after repairing the affected circuit.

    NO 

    GO TO STEP 2 

  2. CHECK POWER SUPPLY CIRCUIT

    1. Disconnect IPDM E/R connectors E118 and E120.
    2. Check voltage between IPDM E/R connectors and ground.
      IPDM E/R Ground Voltage
      (Approx.)
      Connector Terminal
      E118 1 - Battery voltage
      2
      E120 3

    Is the inspection result normal?

    YES 

    GO TO STEP 3 

    NO 

    Repair or replace harness or connectors.

  3. CHECK GROUND CIRCUIT

    1. Disconnect IPDM E/R connectors E119 and E121.
    2. Check continuity between IPDM E/R connectors and ground.
      IPDM E/R Ground Continuity
      Connector Terminal
      E121 7 - Yes
      E119 41

    Is the inspection result normal?

    YES 

    Inspection End.

    NO 

    Repair or replace harness or connectors.

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