Main Switch Circuit [12/2012 - 10/2015]: Procedure

1. Disconnect the G43 telltale light assembly (lane departure alert main switch) connector.
2. Disconnect the Q13 lane departure warning camera connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G43-6 (ECU) - Q13-4 (LKSW)	Always	Below 1 Ω
   G43-6 (ECU) - Body ground	Always	10 kΩ or higher
   G43-13 (E) - Body ground	Always	Below 1 Ω

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Remove the telltale light assembly.

   Refer to REMOVAL [12/2012 - 10/2015] .

2. Inspect the telltale light assembly.

   Refer to INSPECTION [12/2012 - 10/2015] .

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2012 - 10/2015]  . 

Result: 

NG 

REPLACE TELLTALE LIGHT ASSEMBLY. Refer to  REMOVAL [12/2012 - 10/2015]  .