Turn Signal Switch Circuit [08/2017 - ]: Procedure

1. Using the Techstream, read the Data List.

   Refer to DATA LIST / ACTIVE TEST [08/2017 - 08/2019] , or refer to DATA LIST / ACTIVE TEST [08/2019 - ]

   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 (right) off ON: Turn signal switch (right) on	-
   Turn Signal Switch (Left)	Turn signal switch (left) signal / OFF or ON	OFF: Turn signal switch (left) off ON: Turn signal switch (left) on	-
   Turn Switch Signal (Full Turn)	Turn signal switch signal / OFF or ON	OFF: Turn signal switch off OFF: Turn signal switch on (Full Turn)	Displays for both right and left turns.

   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 [08/2017 - 08/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2019 - ] 

Result: 

NG 

See step  2

1. Remove the headlight dimmer switch assembly.

   Refer to REMOVAL [08/2017 - ]

2. Inspect the headlight dimmer switch assembly.

   Refer to INSPECTION [08/2017 - 08/2019] , or refer to INSPECTION [08/2019 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY. Refer to  REMOVAL [08/2017 - ] 

Result: 

OK 

See step  3

1. Disconnect the H11 headlight dimmer switch assembly connector.
2. Disconnect the H139 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H11-14 (CR) - H139-28 (SW)	Always	Below 1 Ω
   H11-13 (TR) - H139-17 (ER)	Always	Below 1 Ω
   H11-15 (TL) - H139-16 (EL)	Always	Below 1 Ω
   H11-12 (EL) - Body ground	Always	Below 1 Ω
   H11-14 (CR) or H139-28 (SW) - Body ground	Always	10 kΩ or higher
   H11-13 (TR) or H139-17 (ER) - Body ground	Always	10 kΩ or higher
   H11-15 (TL) or H139-16 (EL) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2017 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR