LANE DEPARTURE ALERT SYSTEM Power Source Circuit

DESCRIPTION

This circuit provides power to operate the lane departure warning camera.

WIRING DIAGRAM

A01MHD3E21
*1 from IG1 NO. 3 Relay
*2 ECU-IG1 NO. 1
*3 Lane Departure Warning Camera

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE


  1. CHECK TERMINAL VOLTAGE (POWER SOURCE OF LANE DEPARTURE WARNING CAMERA)


    1. A01MG6QC49
      *a

      Front view of wire harness connector

      (to Lane Departure Warning Camera)

      Disconnect the lane departure warning camera connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      W7-7 (IGB) - Body ground Power switch on (IG) 11 to 14 V
      W7-7 (IGB) - Body ground Power switch off Below 1 V
      Standard Resistance:
      Tester Connection Condition Specified Condition
      W7-11 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (LANE DEPARTURE WARNING CAMERA - BATTERY AND BODY GROUND)