Steering Pad Switch: Inspection: Inspection
- INSPECT STEERING PAD SWITCH ASSEMBLY
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Resistance
Tester Connection Switch Condition Specified Condition z2-1 (HO) - Terminal A Always Below 1 Ω z2-4 (DIST) - z2-6 (ECC) No switch pushed 10 k Ωor higher Distance control switch: ON Below 2.5 Ω z2-7 (DISP) - z2-8 (EAU) No switch pushed 99 to 101 Ω DISP switch: pushed Below 2.5 Ω z2-9 (AU2) - z2-8 (EAU) No switch pushed 95 to 105 kΩ MODE switch: pushed Below 2.5 Ω Voice switch: pushed 2954 to 3265 Ω On Hook switch: pushed 312 to 345 Ω Off Hook switch: pushed 950 to 1050 Ω z2-10 (AU1) - z2-8 (EAU) No switch pushed 95 to 105 kΩ Seek+ switch: pushed Below 2.5 Ω Seek- switch: pushed 312 to 345 Ω Volume+ switch: pushed 950 to 1050 Ω Volume- switch: pushed 2954 to 3265 Ω z2-2 (SFTU) - z3-2 (SFTU) Always Below 1 Ω z2-3 (SFTD) - z3-1 (SFTD) Always Below 1 Ω z2-6 (ECC) - z3-4 (ECC) Always Below 1 Ω HINT:
If the result is not as specified, replace the steering pad switch assembly.
TEXT IN ILLUSTRATION*1 Component without harness connected
(Steering Pad Switch Assembly)*2 Volume+ *3 Volume- *4 Seek- *5 MODE *6 Seek+ *7 Off Hook *8 On Hook *9 Voice switch *10 DISP switch *11 Distance control switch *12 Terminal-A - Check the illumination
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Connect a positive (+) lead to terminal IL+2 and a negative (-) lead to terminal EAU of the steering pad switch assembly connector.
- Check that the switch illumination comes on.
OK
Steering pad switch illumination comes on.
HINT:
If the result is not as specified, replace the steering pad switch assembly.
TEXT IN ILLUSTRATION*1 Component without harness connected
(Steering Pad Switch Assembly)
- Measure the resistance according to the value(s) in the table below.