LIGHTING SYSTEM Turn Signal Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

*1	Combination Meter Assembly
*2	Turn Signal Switch
*3	Headlight Dimmer Switch Assembly

CAUTION / NOTICE / HINT

PROCEDURE

1. READ VALUE USING GTS (TURN SIGNAL SWITCH)

   
   

   1. Using the GTS, read the Data List Click here.

      Combination Meter

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Turn Signal Switch (Right)	Turn signal switch (right) / OFF or ON	OFF: Turn signal switch (right) off ON: Turn signal switch (right) on	-
      Turn Signal Switch (Left)	Turn signal switch (left) / OFF or ON	OFF: Turn signal switch (left) off ON: Turn signal switch (left) on	-

   
   

   OK

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

   NG

2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

   
   

   1. Remove the headlight dimmer switch assembly Click here.

   2. Inspect the headlight dimmer switch assembly Click here.

   
   

   NG

   REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY Click here

   OK

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

   
   

   1. Disconnect the D7 headlight dimmer switch assembly connector.

   2. Disconnect the D140 combination meter assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition D7-14 (CR) - D140-8 (SW) Always Below 1 Ω D7-15 (TL) - D140-10 (EL) Always Below 1 Ω D7-13 (TR) - D140-9 (ER) Always Below 1 Ω D7-14 (CR) - Body ground Always 10 kΩ or higher D7-15 (TL) - Body ground Always 10 kΩ or higher D7-13 (TR) - Body ground Always 10 kΩ or higher D7-12 (E) - Body ground Always Below 1 Ω

   
   

   OK

   REPLACE COMBINATION METER ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR