With Bluetooth System

Disconnect the negative battery cable and wait for 1 min or more.
Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION .)
Disconnect the steering switch connector.
Verify the resistance between the steering switch terminals.

Fig 1: Steering Switch Circuit (With Bluetooth System)
- If not within the specification, replace the steering switch.
  
  Fig 2: Steering Switch Terminals Resistance Chart
Apply battery positive voltage to steering switch terminal D, and connect terminal E to ground.

Fig 3: Steering Switch Circuit
Verify that the LED illuminates.
- If the LED does not illuminate, replace the steering switch.