NAVIGATION SYSTEM > Television Camera ECU Power Source Circuit

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DESCRIPTION

This circuit provides the power to the television camera ECU.

WIRING DIAGRAM


E109840E01


INSPECTION PROCEDURE

1.INSPECT FUSE (TV, ECU-IG LH, ACC)

  1. Remove the TV and ECU-IG LH fuses from the cowl side junction block LH.

  1. Remove the ACC fuse from the cowl side junction block RH.

  1. Measure the resistance of the fuses.

    Standard resistance:
    Below 1 Ω



NG
REPLACE FUSE
OK


2.CHECK TELEVISION CAMERA ECU (+B, ACC, IG TERMINAL)
E106689E07

  1. Disconnect the L65 ECU connector.

  1. Measure the voltage of the wire harness side connector.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    L65-1 (+B) - Body ground
    		Always
    		10 to 14 V
    L65-5 (ACC) - Body ground
    		Engine switch on (ACC)
    		10 to 14 V
    L65-2 (IG) - Body ground
    		Engine switch on (IG)
    		10 to 14 V



NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK


3.CHECK WIRE HARNESS (TELEVISION CAMERA ECU - BODY GROUND)
E106689E08

  1. Disconnect the L65 ECU connector.

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L65-8 (GND1) - Body ground
    		Always
    		Below 1 Ω



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE