LANE DEPARTURE ALERT SYSTEM(w/ Steering Control) Steering Pad Switch Circuit

DESCRIPTION

The forward recognition camera receives a Lane Departure Alert Main Switch signal from the steering pad switch assembly.

WIRING DIAGRAM

A005NTDE02
*a Lane Departure Alert Main Switch
*b Forward Recognition Camera
*c Spiral Cable Sub-assembly
*d Steering Pad Switch Assembly

CAUTION / NOTICE / HINT

Note

The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

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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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE STEERING PAD SWITCH ASSEMBLY Click here

    OK

  2. INSPECT SPIRAL CABLE SUB-ASSEMBLY


    1. Remove the spiral cable sub-assembly.

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    2. Inspect the spiral cable sub-assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SPIRAL CABLE SUB-ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - FORWARD RECOGNITION CAMERA)


    1. Disconnect the F29 spiral cable sub-assembly connector.

    2. Disconnect the R5 forward recognition camera connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      F29-12 (DIST) - R5-3 (LKSW) Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      F29-12 (DIST) or R5-3 (LKSW) - Body ground Always 10 kΩ or higher

    4. Connect the R5 forward recognition camera connector.

    5. Connect the F29 spiral cable sub-assembly connector.

      Result
      Result Proceed to
      OK A
      NG B

    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)


    1. Disconnect the F29 spiral cable sub-assembly connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      F29-2 (ECC) - Body ground Always Below 1 Ω

    3. Reconnect the F29 spiral cable sub-assembly connector.

      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