LIGHTING SYSTEM Turn Signal Switch Circuit

DESCRIPTION

The combination meter receives the turn signal switch information and controls the turn signal lights.

WIRING DIAGRAM

B002DHVE16

CAUTION / NOTICE / HINT

Note

When replacing the combination meter assembly, make sure to replace it with a new one.

PROCEDURE


  1. READ VALUE USING GTS (TURN SIGNAL SWITCH)


    1. Using the GTS, read the Data List.

      Click here


      Body Electrical > Combination Meter > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Turn Signal Switch (Right) Turn signal switch (right) signal ON or OFF

      ON: Turn signal switch (right) on

      OFF: Turn signal switch (right) off

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

      ON: Turn signal switch (left) on

      OFF: Turn signal switch (left) off

      		 -

      Body Electrical > Combination Meter > Data List
      Tester Display
      Turn Signal Switch (Right)
      Turn Signal Switch (Left)
      Result
      Result Proceed to
      Data list values are as specified A
      Data list values are not as specified B

    A

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

    B

  2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (TURN SIGNAL SWITCH)


    1. Remove the headlight dimmer switch assembly.

      Click here

    2. Inspect the headlight dimmer switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH ASSEMBLY - WINDSHIELD WIPER SWITCH)


    1. Disconnect the K23 headlight dimmer switch assembly connector.

    2. Disconnect the K29 windshield wiper switch connector.

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

      Standard Resistance
      for Light Control Switch LH Side Type
      Tester Connection Condition Specified Condition
      K23-16 (E) - K29-6 (GND1) Always Below 1 Ω
      K23-14 (TL) - K29-13 (TL1)
      K23-15 (TR) - K29-14 (TR1)
      K23-17 (CR) - K29-12 (CR1)
      K23-16 (E) - Body ground Always 10 kΩ or higher
      K23-14 (TL) - Body ground
      K23-15 (TR) - Body ground
      K23-17 (CR) - Body ground
      for Light Control Switch RH Side Type
      Tester Connection Condition Specified Condition
      K23-21 (E) - K29-6 (GND1) Always Below 1 Ω
      K23-22 (TL) - K29-13 (TL1)
      K23-23 (TR) - K29-14 (TR1)
      K23-20 (CR) - K29-12 (CR1)
      K23-21 (E) - Body ground Always 10 kΩ or higher
      K23-22 (TL) - Body ground
      K23-23 (TR) - Body ground
      K23-20 (CR) - Body ground
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the K32 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K29-16 (TR2) - K32-4 (ER) Always Below 1 Ω
      K29-17 (TL2) - K32-5 (EL) Always Below 1 Ω
      K29-16 (TR2) - Body ground Always 10 kΩ or higher
      K29-17 (TL2) - Body ground Always 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