LANE DEPARTURE ALERT SYSTEM(w/ Steering Control) Power Source Circuit

DESCRIPTION

This circuit provides power to operate the forward recognition camera.

WIRING DIAGRAM

A0004XRE62
*1 from IG1 NO. 4 Relay
*2 ECU-IG1 NO. 3
*3 Forward Recognition Camera

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (POWER SOURCE VOLTAGE)


    1. Disconnect the T12 forward recognition camera connector.

    2. Turn the power switch on (IG).

    3. A00075XE05
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Forward Recognition Camera)

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

      Standard Voltage
      Tester Connection Condition Condition
      T12-7 (IGB) - Body ground Power switch on (IG) 11 to 14 V

    4. Turn the power switch off.

    5. Reconnect the T12 forward recognition camera connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (FORWARD RECOGNITION CAMERA - BODY GROUND)


    1. Disconnect the T12 forward recognition camera connector.

    2. A0008AVE04
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Forward Recognition Camera)

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

      Standard Resistance
      Tester Connection Condition Condition
      T12-10 (GND) - Body ground Always Below 1 Ω

    3. Reconnect the T12 forward recognition camera connector.


    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR