LANE DEPARTURE ALERT SYSTEM Power Source Circuit

DTC Code DTC Name
Power Source Circuit

DESCRIPTION

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

WIRING DIAGRAM

E270481E01

CAUTION / NOTICE / HINT

Note:

  • w/ Stop and Start System:

    Check the stop and start system function by following How to Proceed with Troubleshooting. Troubleshoot the lane departure alert system after confirming that the stop and start system is functioning properly.

    Click here

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

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (LANE DEPARTURE WARNING CAMERA - BATTERY AND BODY GROUND)

    1. Disconnect the lane departure warning camera connector.

    2. E255432C01

      *a

      Front view of harness connector

      (to Lane Departure Warning Camera)

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      Q13-7 (IGB) - Body ground

      Ignition switch ON

      11 to 14 V*1

      Ignition switch ON

      10.5 to 14 V*2

      Ignition switch off

      Below 1 V

      *1: w/o Start and Stop System

      *2: w/ Start and Stop System

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      Q13-11 (GND) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click hereClick here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR