PRE-COLLISION SYSTEM Pre-collision System Switch Circuit

DTC Code DTC Name
Pre-collision System Switch Circuit

DESCRIPTION

Each time the pre-collision system cancel switch is pressed, the multi-information display sensitivity setting display changes and the sensitivity of the pre-collision system changes between 3 levels. Also, when the switch is pressed and held, the pre-collision system cancels.

WIRING DIAGRAM

E297408E59

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR

    1. Disconnect the H132 pre-collision system cancel switch connector.

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

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      H132-8 (ECU) - Q12-9 (PCSW)

      Always

      Below 1 Ω

      H132-5 (GND) - Body ground

      Always

      Below 1 Ω

      H132-8 (ECU) - Body ground

      Always

      10 kΩ or higher

    4. Connect the Q12 pre-collision city sensor connector.

    5. Connect the H132 pre-collision system cancel switch connector.

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  2. INSPECT PRE-COLLISION SYSTEM CANCEL SWITCH

    1. Remove the pre-collision system cancel switch (Click here).

    2. Inspect the pre-collision system cancel switch (Click here).

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    (Click hereClick here)

    REPLACE PRE-COLLISION SYSTEM CANCEL SWITCH

    (Click here)