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Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1 
    1. Turn ignition switch OFF.
    2. Disconnect push-button ignition switch connector and IPDM E/R connector.
    3. Check voltage between push-button ignition switch harness connector and ground.

      (+)

      (-)

      Voltage (V)

      (Approx.)

      Push-button ignition switch

      Connector

      Terminal

      M101

      4

      Ground

      12

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    GO TO 2.

  2. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 1 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and push-button ignition switch harness connector.

      BCM

      Push-button ignition switch

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M71

      76

      M101

      4

      Existed
    3. Check continuity between BCM harness connector and ground.

      BCM

      Ground

      Continuity

      Connector

      Terminal

      M71

      76

      Not existed

    Is the inspection result normal?

    YES

    Replace BCM. Refer to Removal and Installation .

    NO

    Repair or replace harness.

  3. CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 2 

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

    (+)

    (-)

    Voltage (V)

    (Approx.)

    IPDM E/R

    Connector

    Terminal

    E17

    66

    Ground

    Battery voltage

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    GO TO 4.

  4. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2 
    1. Disconnect BCM connector.
    2. Check continuity between IPDM E/R harness connector and push-button ignition switch harness connector.

      IPDM E/R

      Push-button ignition switch

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E17

      66

      M101

      4

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

      IPDM E/R

      Ground

      Continuity

      Connector

      Terminal

      E17

      66

      Not existed

    Is the inspection result normal?

    YES

    Replace IPDM E/R. Refer to Removal and Installation .

    NO

    Repair or replace harness.

  5. CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT 

    Check continuity between push-button ignition switch harness connector and ground.

    Push-button ignition switch

    Ground

    Continuity

    Connector

    Terminal

    M101

    1

    Existed

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace harness.

  6. CHECK PUSH-BUTTON IGNITION SWITCH 

    Refer to Component Inspection .

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Replace push-button ignition switch. Refer to Removal and Installation .

  7. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    INSPECTION END

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