Steering Pad Switch: Inspection

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT STEERING PAD SWITCH ASSEMBLY

Disconnect the steering pad switch assembly connector.

Fig 1: Inspecting Steering Pad Switch Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Measure the resistance according to the value(s) in the table below.

Standard resistance

STANDARD RESISTANCE SPECIFICATIONS

Tester Connection	Condition	Specified Condition
6 (AIM) - 8 (EAU)	No switch is pushed	Approx. 100 kΩ
6 (AU1) - 8 (EAU)	SEEK+ switch: push	0 to 2.5 Ω
6 (AU1) - 8 (EAU)	SEEK- switch: push	Approx. 0.3 kΩ
6 (AU1) - 8 (EAU)	VOL+ switch: push	Approx. 1 kΩ
6 (AU1) - 8 (EAU)	VOL- switch: push	Approx. 3.1 kΩ
7 (AU2) - 8 (EAU)	No switch is pushed	Approx. 100 kΩ
7 (AU2) - 8 (EAU)	MODE switch: push	0 to 2.5 Ω
7 (AU2) - 8 (EAU) (*1)	VOICE switch: push	Approx. 3.1 kΩ
7 (AU2) - 8 (EAU) (*1)	ON HOOK switch: push	Approx. 0.3 kΩ
7 (AU2) - 8 (EAU) (*1)	OFF HOOK switch: push	Approx. 1 kΩ
HINT: *1: for Premium sound models

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