Dimmer Signal Circuit

DESCRIPTION

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

WIRING DIAGRAM

INSPECTION PROCEDURE

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

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

2. 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

1. Reconnect the multiplex network body ECU connector.

2. Turn the ignition switch to the ON position.

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

4. 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