Steering Wheel: Inspection
CAUTION:
The vehicle is equipped with an SRS (Supplemental Restraint System) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the PRECAUTION in the SRS (See
PRECAUTION
).
- INSPECT STEERING PAD SWITCH ASSEMBLY (w/ Multi-display)
- Disconnect the z35 switch connector.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Measure the resistance according to the value (s) in the table below.
Standard Resistance
RESISTANCE SPECIFICATIONTester Connection Switch Condition Specified Condition 10 (AU1) - 8 (EAU) No switch is pushed 100 kΩ 10 (AU1) - 8 (EAU) Seek+ switch pushed Below 2.5 Ω 10 (AU1) - 8 (EAU) Seek- switch pushed 329 Ω 10 (AU1) - 8 (EAU) Volume+ switch pushed 1000 Ω 10 (AU1) - 8 (EAU) Volume- switch pushed 3110 Ω 9 (AU2) - 8 (EAU) No switch is pushed 100 kΩ 9 (AU2) - 8 (EAU) MODE switch pushed Below 2.5 Ω 9 (AU2) - 8 (EAU) On Hook switch pushed 329 Ω 9 (AU2) - 8 (EAU) Off Hook switch pushed 1000 Ω 9 (AU2) - 8 (EAU) Voice switch pushed 3110 Ω 7 (+DP) - 8 (EAU) DISP switch pushed 2.5 Ω or less If the result is not as specified, replace the steering switch assembly.
- Disconnect the z35 switch connector.
- INSPECT STEERING PAD SWITCH ASSEMBLY (w/o Multi-display)
- Disconnect the z35 switch connector.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Measure the resistance according to the value (s) in the table below.
Standard Resistance
RESISTANCE SPECIFICATIONTester Connection Switch Condition Specified Condition 10 (AU1) - 8 (EAU) No switch is pushed 100 kΩ 10 (AU1) - 8 (EAU) Seek* switch pushed Below 2.5 Ω 10 (AU1) - 8 (EAU) Seek- switch pushed 329 Ω 10 (AU1) - 8 (EAU) Volume* switch pushed 1000 Ω 10 (AU1) - 8 (EAU) Volume- switch pushed 3110 Ω 9 (AU2) - 8 (EAU) No switch is pushed 100 kΩ 9 (AU2) - 8 (EAU) MODE switch pushed Below 2.5 Ω 7 (+DP) - 8 (EAU) DISP switch pushed Below 2.5 Ω If the result is not as specified, replace the steering pad switch assembly.
- Disconnect the z35 switch connector.