LANE DEPARTURE ALERT SYSTEM Lane Departure Alert System Switch Circuit

DTC Code DTC Name
Lane Departure Alert System Switch Circuit

DESCRIPTION

The lane departure alert system and lane departure alert indicator light (green) in the combination meter assembly turn on or off when the lane departure alert switch is pressed.

WIRING DIAGRAM

C372647E01

PROCEDURE

  1. INSPECT STEERING PAD SWITCH ASSEMBLY

    1. Remove the steering pad switch assembly (Click here).

    2. Inspect the steering pad switch assembly (Click here).

    REPLACE STEERING PAD SWITCH ASSEMBLY

    (Click here)

  2. INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

    1. Remove the spiral cable with sensor sub-assembly (Click here).

    2. Inspect the spiral cable with sensor sub-assembly (Click here).

    REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

    (Click here)

  3. CHECK HARNESS AND CONNECTOR

    1. Disconnect the H130 spiral cable with sensor sub-assembly connector.

    2. Disconnect the Q12 pre-collision city sensor connector.

    3. for 1WW:

      Disconnect the A76 ECM connector.

    4. except 1WW:

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      H130-12 (DIST) - Q12-3 (LDSW)

      Always

      Below 1 Ω

      H130-12 (DIST) or Q12-3 (LDSW) - Body ground

      Always

      10 kΩ or higher

      H130-2 (ECC) - Body ground

      Always

      Below 1 Ω

    5. for 1WW:

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      H130-12 (DIST) - Q12-3 (LDSW)

      Always

      Below 1 Ω

      H130-12 (DIST) or Q12-3 (LDSW) - Body ground

      Always

      10 kΩ or higher

      H130-2 (ECC) - A76-42 (ECCS)

      Always

      Below 1 Ω

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    (Click hereClick here)

    REPAIR OR REPLACE HARNESS OR CONNECTOR