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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Interior (Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Reverse Signal Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK REVERSE SIGNAL 
    1. Turn ignition switch OFF.
    2. Disconnect rear sunshade control unit connector.
    3. Turn ignition switch ON.
    4. Shift A/T shift selector to R position.
    5. Check voltage between rear sunshade control unit harness connector and ground.

      (+)

      (-)

      Condition

      Voltage (V)

      (Approx.)

      Rear sunshade control unit

      Connector

      Terminal

      B82

      6

      Ground

      A/T shift selector

      R position

      Battery voltage

      Other than the above

      0

    Is the inspection result normal?

    YES

    Replace rear sunshade assembly.

    NO

    Check back-up lamp circuit. Refer to Wiring Diagram .