Steering Pad Switch: Inspection

1. INSPECT STEERING PAD SWITCH (w/ Navigation System) 
   1. Disconnect the steering pad switch assembly connector.
      Fig 1: Inspecting Steering Pad Switch (W/ Navigation System)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Measure the resistance according to the values in the table below.

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION CHART
   
   

   Tester connection	Condition	Specified condition
   AU1 - EAU	No switch is pushed	Approx. 100 kΩ
   AU1 - EAU	SEEK+ switch: push	Approx. 0 Ω
   AU1 - EAU	SEEK- switch: push	Approx. 0.3 kΩ
   AU1 - EAU	VOL+ switch: push	Approx. 1 kΩ
   AU1 - EAU	VOL- switch: push	Approx. 3.2 kΩ
   AU2 - EAU	No switch is pushed	Approx. 100 kΩ
   AU2 - EAU	MODE switch: push	Approx. 0 Ω
   AU2 - EAU	VOICE switch: push	Approx. 3.2 kΩ
   AU2 - EAU	ON HOOK switch: push	Approx. 0.3 kΩ
   AU2 - EAU	OFF HOOK switch: push	Approx. 1 kΩ

   If the result is not as specified, replace the steering pad switch.

2. INSPECT STEERING PAD SWITCH (w/o Navigation System) 
   1. Disconnect the steering pad switch assembly connector.
      Fig 2: Inspecting Steering Pad Switch (W/O Navigation System)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Measure the resistance according to the values in the table below.

Standard resistance 

If the result is not as specified, replace the steering pad switch.