PARKING ASSIST MONITOR SYSTEM > Display Signal Circuit (Television Camera Assembly - Television Camera ECU)

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DESCRIPTION

This is the display signal circuit of the television camera.

WIRING DIAGRAM


E109442E02


INSPECTION PROCEDURE

1.CHECK NAVIGATION DISPLAY

  1. Check that the navigation display is normal.

    OK:
    The navigation display is normal.

    HINT:
    1. When trouble occurs in the navigation display, inspect the circuit between the television camera ECU and multi-display (Click here).
    2. When the navigation display is normal, inspect the circuit between the television camera ECU and television camera by following the steps below.



NG
INSPECT DISPLAY SIGNAL CIRCUIT (TELEVISION CAMERA ECU - MULTI-DISPLAY)
OK


2.CHECK WIRE HARNESS (TELEVISION CAMERA ECU - TELEVISION CAMERA)
E106697E02

  1. Disconnect the L64 ECU connector.

  1. Disconnect the a8 camera connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L64-20 (CB+) - a8-4 (CB+)
    		Always
    		Below 1 Ω
    L64-19 (CGND) - a8-3 (CGND)
    		Always
    		Below 1 Ω
    L64-40 (CV+) - a8-2 (CV+)
    		Always
    		Below 1 Ω
    L64-39 (CV-) - a8-1 (CV-)
    		Always
    		Below 1 Ω
    L64-20 (CB+) - Body ground
    		Always
    		10 kΩ or higher
    L64-19 (CGND) - Body ground
    		Always
    		10 kΩ or higher
    L64-39 (CV+) - Body ground
    		Always
    		10 kΩ or higher
    L64-39 (CV-) - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


3.CHECK TELEVISION CAMERA (POWER SOURCE VOLTAGE)
E108070E02

  1. Measure the voltage of the connector.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    a8-4 (CB+) - a8-3 (CGND)
    		Engine switch on (IG), shift lever in R position
    		Approx. 6 V



NG
REPLACE TELEVISION CAMERA ECU
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE