LIGHTING SYSTEM Headlight Dimmer Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

B001XX3E01
B001XX3E02

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. Operate the GTS according to the display and select the Data List Click here.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Turn Signal Switch (Right) Turn signal switch (right) / ON or OFF

      ON: Turn signal switch (right) on

      OFF: Turn signal switch (right) off

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

      ON: Turn signal switch (left) on

      OFF: Turn signal switch (left) off

      		 -
      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


    1. Remove the headlight dimmer switch Click here.

    2. Inspect the headlight dimmer switch Click here.


    NG

    REPLACE HEADLIGHT DIMMER SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH - COMBINATION METER AND BODY GROUND)


    1. Disconnect the E14 switch connector.

    2. Disconnect the E120 meter connector.

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

      Standard Resistance
      for LH Side (w/o Entry and Start System)
      Tester Connection Condition Specified Condition
      E14-15 (TL) - E120-10 (EL) Always Below 1 Ω
      E14-13 (TR) - E120-9 (ER)
      E14-12 (ET) - Body ground
      E14-15 (TL) - Body ground Always 10 kΩ or higher
      E14-13 (TR) - Body ground
      for LH Side (w/ Entry and Start System)
      Tester Connection Condition Specified Condition
      E14-11 (TL) - E120-10 (EL) Always Below 1 Ω
      E14-12 (TR) - E120-9 (ER)
      E14-15 (ET) - Body ground
      E14-11 (TL) - Body ground Always 10 kΩ or higher
      E14-12 (TR) - Body ground
      for RH Side (w/o Entry and Start System)
      Tester Connection Condition Specified Condition
      E14-18 (TL) - E120-10 (EL) Always Below 1 Ω
      E14-16 (TR) - E120-9 (ER)
      E14-19 (ET) - Body ground
      E14-18 (TL) - Body ground Always 10 kΩ or higher
      E14-16 (TR) - Body ground
      for RH Side (w/ Entry and Start System)
      Tester Connection Condition Specified Condition
      E14-19 (TL) - E120-10 (EL) Always Below 1 Ω
      E14-20 (TR) - E120-9 (ER)
      E14-16 (ET) - Body ground
      E14-19 (TL) - Body ground Always 10 kΩ or higher
      E14-20 (TR) - Body ground

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR