LIGHTING SYSTEM Turn Signal Switch Circuit

DESCRIPTION

The steering sensor receives the turn signal switch information and controls the turn signal lights.

WIRING DIAGRAM

Figure 1. for LH Side Type:

B004AWLE07
*a Turn Signal Switch
*b Steering Wheel Switch Housing
*c Steering Sensor

Figure 2. for RH Side Type:

B004AWLE08
*a Turn Signal Switch
*b Steering Wheel Switch Housing
*c Steering Sensor

PROCEDURE


  1. READ VALUE USING GTS


    1. Using the GTS, read the Data List.

      Click here


      Chassis > Steering Angle Sensor > Data List
      Tester Display Measurement Item Normal Condition Reference Value Diagnostic Note
      Turn Signal Switch (Right) Turn signal switch (right turn position) signal OFF or ON

      OFF: Turn signal switch not in right turn position

      ON: Turn signal switch in right turn position

      		 -
      Turn Signal Switch (Left) Turn signal switch (left turn position) signal OFF or ON

      OFF: Turn signal switch not in left turn position

      ON: Turn signal switch in left turn position

      		 -

      Chassis > Steering Angle Sensor > Data List
      Tester Display
      Turn Signal Switch (Right)
      Turn Signal Switch (Left)
      OK
      Normal condition listed above are displayed.
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. INSPECT TURN SIGNAL SWITCH


    1. Remove the turn signal switch.

      Click here

    2. Inspect the turn signal switch.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE TURN SIGNAL SWITCH Click here

    OK

  3. INSPECT STEERING WHEEL SWITCH HOUSING


    1. Remove the steering wheel switch housing.

      Click here

    2. Inspect the steering wheel switch housing.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE STEERING SENSOR Click here

    NG

    REPLACE STEERING WHEEL SWITCH HOUSING Click here