Turn Signal Switch Circuit [08/2019 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Data List.
5. Read the Data List according to the display on the Techstream.
   COMBINATION METER
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Turn Signal Switch (Right)	Turn signal switch (right) 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) signal/ OFF or ON	OFF: Turn signal switch not in left turn position ON: Turn signal switch in left turn position	-

   OK

   Normal conditions listed above are displayed.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2019 - ] 

Result: 

NG 

See step  2

1. Remove the headlight dimmer switch assembly.

   Refer to REMOVAL [08/2015 - ]

2. Inspect the headlight dimmer switch assembly.

   Refer to INSPECTION [08/2019 - 08/2020] , or refer to INSPECTION [08/2020 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY. Refer to  REMOVAL [08/2015 - ] 

Result: 

OK 

See step  3

1. Disconnect the G31 headlight dimmer switch assembly connector.
2. Disconnect the G101 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G31-12 (TR) - G101-4 (ER)	Always	Below 1 Ω
   G31-11 (TL) - G101-5 (EL)	Always	Below 1 Ω
   G31-15 (EL) - Body ground	Always	Below 1 Ω
   G31-12 (TR) or G101-4 (ER) - Body ground	Always	10 kΩ or higher
   G31-11 (TL) or G101-5 (EL) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR