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Home >> Infiniti >> 2018 >> QX30 Essential, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Around View Monitor System) >> Around View Monitor System >> DTC/Circuit Diagnosis >> Camera Switch Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Infiniti Q60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CAMERA SWITCH INPUT SIGNAL OF DISPLAY CONTROL UNIT 
    1. Turn ignition switch ON.
    2. Check the voltage between display control unit harness connector and ground.

      Terminals

      Condition

      Voltage

      (Approx.)

      (+)

      (-)

      Display control unit

      Connector

      Terminal

      M100

      26

      Ground

      Camera switch

      ON

      0 - 2.5 V

      OFF

      3.0 V

    Is the inspection result normal?

    YES

    Replace display control unit. Refer to Removal and Installation .

    NO

    GO TO 2.

  2. CHECK CAMERA SWITCH INPUT SIGNAL OF INTEGRAL SWITCH 

    Check the voltage between integral switch harness connector and ground.

    Terminals

    Condition

    Voltage

    (Approx.)

    (+)

    (-)

    Integral switch

    Connector

    Terminal

    M1

    19

    Ground

    Camera switch

    ON

    0 - 2.5 V

    OFF

    3.0 V

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    GO TO 5.

  3. CHECK CAMERA SWITCH INPUT SIGNAL CIRCUIT OF DISPLAY CONTROL UNIT FOR OPEN 
    1. Turn ignition switch OFF.
    2. Disconnect display control unit harness connector and integral switch harness connector.
    3. Check the continuity between display control unit harness connector and integral switch harness connector.

      Display control unit

      Integral switch

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M100

      26

      M1

      19

      Existed

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace malfunctioning parts.

  4. CHECK CAMERA SWITCH INPUT SIGNAL CIRCUIT OF DISPLAY CONTROL UNIT FOR SHORT 

    Check the continuity between display control unit harness connector and ground.

    Display control unit

    Ground

    Continuity

    Connector

    Terminal

    M100

    26

    Not existed

    Is the inspection result normal?

    YES

    Replace integral switch. Refer to Removal and Installation .

    NO

    Repair or replace malfunctioning parts.

  5. CHECK CAMERA SWITCH INPUT SIGNAL CIRCUIT OF INTEGRAL SWITCH FOR OPEN 
    1. Turn ignition switch OFF.
    2. Disconnect integral switch harness connector and multifunction switch harness connector.
    3. Check the continuity between integral switch harness connector and multifunction switch harness connector.

      Integral switch

      Multifunction switch

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M3

      39

      M55

      10

      Existed

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace malfunctioning parts.

  6. CHECK CAMERA SWITCH INPUT SIGNAL CIRCUIT OF INTEGRAL SWITCH FOR SHORT 

    Check the continuity between integral switch harness connector and ground.

    Integral switch

    Ground

    Continuity

    Connector

    Terminal

    M3

    39

    Not existed

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace malfunctioning parts.

  7. CHECK MULTIFUNCTION SWITCH 

    Check multifunction switch. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace multifunction switch. Refer to Removal and Installation .