Nissan Murano: Dtc/circuit Diagnosis / U111a Rear Camera Image Signal Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Intelligent Around View Monitor with Display Audio System / Dtc/circuit Diagnosis / U111a Rear Camera Image Signal Circuit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U111A

REAR CAMERA IMAGE SIGNAL

(CAN COMM CIRCUIT) 		Diagnosis condition When ignition switch is ON
Signal (terminal) Rear camera image signal (terminal 20)
Threshold Rear camera image signal circuit is shorted or open
Diagnosis delay time —

POSSIBLE CAUSE

  • Rear camera image signal circuit

  • Around view monitor control unit

  • Rear camera

FAIL-SAFE

Camera image is not displayed (gray screen display)

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Select “Self Diagnostic Result” mode of “AVM”.

  3. Check DTC.

Is DTC U111A detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

CHECK REAR CAMERA POWER SUPPLY AND GROUND CIRCUIT CONTINUITY

  1. Ignition switch OFF.

  2. Disconnect around view monitor control unit connector and rear camera connector.

  3. Check continuity between around view monitor control unit connector and rear camera connector.

    Around view monitor control unit Rear camera Continuity
    Connector Terminals Connector Terminals
    M96 17 D564 1 Yes
    18 2

  4. Check continuity between around view monitor control unit connector and ground.

    Around view monitor control unit Ground Continuity
    Connector Terminal
    M96 18 No

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace harness or connectors.

CHECK REAR CAMERA POWER SUPPLY VOLTAGE

  1. Connect around view monitor control unit connector and rear camera connector.

  2. Ignition switch ON.

  3. Check voltage between around view monitor control unit connector and ground.

    Around view monitor control unit Ground Condition

    Voltage

    (Approx.)
    Connector Terminal
    M96 18 — CAMERA switch is ON or selector lever in R (reverse). 6.0 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace around view monitor control unit. Refer to Removal and Installation.

CHECK REAR CAMERA IMAGE SIGNAL AND IMAGE SIGNAL GROUND CIRCUIT CONTINUITY

  1. Ignition switch OFF.

  2. Disconnect around view monitor control unit connector and rear camera connector.

  3. Check continuity between around view monitor control unit connector and rear camera connector.

    Around view monitor control unit Rear camera Continuity
    Connector Terminals Connector Terminals
    M96 20 D564 4 Yes
    19 5

  4. Check continuity between around view monitor control unit connector and ground.

    Around view monitor control unit Ground Continuity
    Connector Terminal
    M96 20 No

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness or connectors.

CHECK REAR CAMERA IMAGE SIGNAL

  1. Connect around view monitor control unit connector and rear camera connector.

  2. Ignition switch ON.

  3. Check signal between the terminals of around view monitor control unit connector.

    Around view monitor control unit Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    M96 20 19 CAMERA switch is ON or selector lever in R (reverse).

Is the inspection result normal?

YES>>

Replace around view monitor control unit. Refer to Removal and Installation.

NO>>

Replace rear camera. Refer to Removal and Installation.

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