Steering Pad Switch: Inspection
- INSPECT STEERING PAD SWITCH
- Check the resistance.
- Using an ohmmeter, measure the resistance between the terminals.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard resistance
RESISTANCE SPECIFICATIONTester 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 MODE switch: push In 2.5 Ω or less If the result is not as specified, replace the steering pad switch.
- Using an ohmmeter, measure the resistance between the terminals.
- Check the operation.
- Apply battery voltage to the terminals and check that the indicator illuminates.
Standard
TERMINALS AND INDICATOR ILLUMINATION REFERENCECondition Standard Positive battery - Terminal 1 (IL+2)
Negative battery - Terminal 10 (EAU)Illuminates If the result is not as specified, replace the steering switch.
- Apply battery voltage to the terminals and check that the indicator illuminates.
- Check the resistance.