Steering Pad Switch: Inspection

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT STEERING PAD SWITCH

Check the resistance.

Using an ohmmeter, measure the resistance between the terminals.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
12(AU1) - 10(EAU)	All switches released	Approximately 100 kΩ
	SEEK+ switch: pushed in	2.5 Ω or less
	SEEK- switch: pushed in	Approximately 329 Ω
	VOL+ switch: pushed in	Approximately 1000 Ω
	VOL-+ switch: pushed in	Approximately 3110 Ω
11(AU2) - 10(EAU)	All switches released	Approximately 100 kΩ
11(AU2) - 10(EAU)	MODE switch: push in	2.5 Ω or less

Fig 1: Identifying Resistance Between Steering Pad Switch Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Check the operation.

Apply battery voltage to the terminals and check that the indicator illuminates.

Standard

CONDITION REFERENCE

Condition	Standard
Positive battery - Terminal 1 (IL+2) Negative battery - Terminal 10 (EAU)	Illuminates

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