NAVIGATION SYSTEM > Dimmer Signal Circuit

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DESCRIPTION

The multi-display dims the display and panel switches by receiving a TAIL cancel signal from the body ECU.

WIRING DIAGRAM


E110890E04


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - MULTI-DISPLAY)


    E111762E02

  1. Disconnect the multiplex network body ECU connector B7 and multi-display connector M1.

  1. Measure the resistance according to the value(s) in the table below.

    Resistance:
    Tester connection
    		Condition
    		Specified condition
    ADIM - ACAN
    		Always
    		Below 1 Ω
    ADIM - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.INSPECT MULTIPLEX NETWORK BODY ECU


    E111725E08

  1. Reconnect the multiplex network body ECU connector.

  1. Turn the ignition switch to the ON position.

  1. Turn the light control switch to the TAIL or HEAD position.

  1. Measure the voltage according to the value(s) in the table below.

    Voltage:
    Tester connection
    		Condition
    		Specified condition
    ADIM - Body ground
    		Automatic light control sensor is covered.
    		Above 9 V



NG
GO TO LIGHTING SYSTEM
OK

RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL