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

B000WUGE32

PROCEDURE


  1. INSPECT NO. 2 COMBINATION SWITCH ASSEMBLY


    1. Inspect the No. 2 combination switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 2 COMBINATION SWITCH ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (NO. 2 COMBINATION SWITCH ASSEMBLY - BODY GROUND)


    1. B000VL1C02
      *a

      Front view of wire harness connector

      (to No. 2 Combination Switch Assembly)

      Disconnect the combination switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P52-1 (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 COMBINATION SWITCH ASSEMBLY - ECM)


    1. B000YRTC56
      *a

      Front view of wire harness connector

      (to ECM)

      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
      A58-23 (SNWI) - Body ground No. 2 combination switch assembly knob turned and held at SNOW position Below 10 Ω
      A58-23 (SNWI) - Body ground No. 2 combination switch assembly 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