Lexus IS250 IS220d GSE20 ALE20 - AUDIO / VISUAL
STEERING PAD SWITCH - INSPECTION
| 1. INSPECT STEERING PAD SWITCH (w/ Navigation System) |
Disconnect the steering pad switch assembly connector.
Measure the resistance according to the values in the table below.
- Standard resistance:
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) |
Disconnect the steering pad switch assembly connector.
Measure the resistance according to the values in the table below.
- Standard resistance:
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
If the result is not as specified, replace the steering pad switch.