CLEARANCE SONAR SYSTEM Dimmer Signal Circuit

DESCRIPTION

The taillight relay turns on when the light control switch is turned to the "TAIL" or "HEAD" position. The clearance warning ECU dims the clearance sonar display when it receives a tail relay ON signal.

WIRING DIAGRAM

A01BEKRE01

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT CLEARANCE WARNING ECU


    1. A01BG69E03

      Disconnect the clearance warning ECU H33 connector.

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

      Voltage

      Tester connection

      (Symbols)

      		 Condition Specified condition

      H33-26 (TL) -

      Body ground

      		 Light control switch "TAIL" or "HEAD" position 10 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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