Steering Pad Switch: Inspection
WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT STEERING PAD SWITCH ASSEMBLY (w/o Navigation System)
- Measure the resistance according to the values in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION TABLETester 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. 3.1 kΩ AU2 - EAU No switch is pushed Approx. 100 kΩ AU2 - EAU MODE switch: push Approx. 0 Ω If the result is not as specified, replace the steering pad switch LH.
- Measure the resistance according to the values in the table below.
- INSPECT STEERING PAD SWITCH ASSEMBLY (w/ Navigation System)
- Measure the resistance according to the values in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION TABLETester 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. 3.1 kΩ AU2 - EAU No switch is pushed Approx. 100 kΩ AU2 - EAU MODE switch: push Approx. 0 Ω AU2 - EAU VOICE switch: push Approx. 3.1 kΩ AU2 - EAU ON HOOK switch: push Approx. 0.3 kΩ AU2 - EAU OFF HOOK switch: push Approx. 1.0 kΩ If the result is not as specified, replace the steering pad switch assembly.
- Measure the resistance according to the values in the table below.