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Home >> Infiniti >> 2018 >> QX30 Essential, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System - Led Headlamp (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B164D: Rear Turn Signal Lamp RH Diagnostic Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK REAR TURN DIAGNOSTIC CIRCUIT RH SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect following connectors.
      • Rear combination lamp RH (body side)
      • Rear combination lamp RH (back door side)
    3. Check continuity between rear combination lamp RH (body side) harness connector and ground.

      Rear combination lamp RH (body side)

      Ground

      Continuity

      Connector

      Terminal

      M195

      6

      Not existed

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace harness.

  2. ERASE DTC 
    1. Connect following connectors.
      • Rear combination lamp RH (body side)
      • Rear combination lamp RH (back door side)
    2. Turn ignition switch ON.
    3. Select "Self Diagnostic Result" mode of "BCM" using CONSULT.
    4. Erase DTC, and then repeat "DTC CONFIRMATION PROCEDURE". Refer to DTC Description .

    Is DTC detected?

    YES

    GO TO 3.

    NO

    INSPECTION END

  3. REPLACE REAR COMBINATION LAMP RH AND ERASE DTC 
    1. Turn ignition switch OFF.
    2. Replace corresponding rear combination lamp RH. Refer to Removal and Installation (body side) or Removal and Installation (back door side)
    3. Turn ignition switch ON.
    4. Select "Self Diagnostic Result" mode of "BCM" using CONSULT.
    5. Erase DTC, and then repeat "DTC CONFIRMATION PROCEDURE". Refer to DTC Description .

    Is DTC detected?

    YES

    Replace BCM. Refer to Removal and Installation .

    NO

    INSPECTION END