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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Audio, Visual & Navigation System (Diagnostics) (2 Of 2) >> Component/Circuit Diagnosis >> Reverse Signal Circuit >> Diagnosis Procedure >> Models with Around View Monitor System
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Models with Around View Monitor System

  1. CHECK REVERSE RANGE SIGNAL 
    1. Turn ignition switch ON.
    2. Check the voltage between around view monitor control unit harness connector and ground as per the following condition.

      Terminals

      Condition

      Voltage

      (Approx.)

      (+)

      (-)

      Around View Monitor control unit

      Connector

      Terminal

      B50

      25

      Ground

      Shift the selector lever to R position.

      12.0 V

      Shift the selector lever other than R position.

      0 V

    Is the inspection result normal?

    YES

    Replace around view monitor control unit. Refer to AROUND VIEW MONITOR CONTROL UNIT : Removal & Installation .

    NO

    GO TO 2.

  2. CHECK REVERSE SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit harness connector.
    3. Remove back-up lamp relay.
    4. Check the continuity between around view monitor harness connector and back-up lamp relay harness connector.

      Around view monitor

      Back-up lamp relay

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B50

      25

      M97

      5

      Existed

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace malfunctioning parts.

  3. CHECK BACK-UP LAMP POWER SUPPLY 
    1. Turn ignition switch ON.
    2. Check the voltage between back-up lamp relay harness connector and ground.

      Terminals

      Voltage

      (Approx.)

      (+)

      (-)

      Back-up lamp relay

      Connector

      Terminal

      M97

      1

      Ground

      Battery voltage

      3

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Check ignition power supply circuit.

  4. CHECK BACK-UP LAMP RELAY 
    1. Turn ignition switch OFF.
    2. Check the back-up lamp relay. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    VR30DDTT: Perform "Self Diagnostic Result" in "TRANSMISSION". Refer to Diagnosis Description .

    YES

    2.0L gasoline engine: Perform "Self Diagnostic Result" in "ENGINE". Refer to Diagnosis Description .

    NO

    Replace back-up lamp relay.