AUTOMATIC TRANSMISSION SYSTEM Pattern Select Switch Snow Mode Circuit

DESCRIPTION

When SNOW is selected, the operation of the throttle motor is moderated to control engine output. This helps to reduce skidding of the drive wheels, and assists with takeoff acceleration, driving straightness and turning stability.

WIRING DIAGRAM

B0069X3E44

PROCEDURE


  1. INSPECT NO. 2 SATELLITE SWITCH SET


    1. Inspect the No. 2 satellite switch set.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 2 SATELLITE SWITCH SET Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (NO. 2 SATELLITE SWITCH SET - BODY GROUND)


    1. Disconnect the No. 2 satellite switch set connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G59-7 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (NO. 2 SATELLITE SWITCH SET - ECM)


    1. Disconnect the ECM connector.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      A95-27 (SNWI) - Body ground No. 2 satellite switch set knob turned and held at SNOW position Below 50 Ω
      A95-27 (SNWI) - Body ground No. 2 satellite switch set knob not turned to SNOW position 10 kΩ or higher
      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