INSPECTION
PROCEDURE
1. INSPECT STEERING PAD SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 (HO) - Terminal-A |
Always |
Below 1 Ω |
10 (AU1) - 7 (EAU) |
No switch pushed |
95 to 105 kΩ |
Up switch pushed |
Below 2.5 Ω |
|
Down switch pushed |
313 to 345 Ω |
|
Volume+ switch pushed |
950 to 1050 Ω |
|
Volume- switch pushed |
2955 to 3265 Ω |
|
9 (AU2) - 7 (EAU) |
No switch pushed |
95 to 105 kΩ |
MODE/HOLD switch pushed |
Below 2.5 Ω |
|
On hook switch pushed |
313 to 345 Ω |
|
Off hook switch pushed |
950 to 1050 Ω |
|
Voice switch pushed |
2955 to 3265 Ω |
|
8 (AU3) - 7 (EAU) |
No switch pushed |
95 to 105 kΩ |
Enter switch pushed |
Below 2.5 Ω |
|
Back switch pushed |
313 to 345 Ω |
|
Right switch pushed |
950 to 1050 Ω |
|
Left switch pushed |
2955 to 3265 Ω |
HINT:
If the result is not as specified, replace the steering pad switch assembly.
Text in Illustration
*a |
Component without harness connected (Steering Pad Switch Assembly) |
*b |
Volume+ |
*c |
Volume- |
*d |
Back |
*e |
MODE/HOLD |
*f |
Up |
*g |
Down |
*h |
Left |
*i |
Right |
*j |
Enter |
*k |
Off hook |
*l |
On hook |
*m |
Voice |
*n |
Terminal-A |
(b) Check the illumination.
(1) Connect a battery positive (+) lead to terminal IL+2 and a negative (-) lead to terminal -DP of the steering pad switch assembly connector.
(2) 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
*a |
Component without harness connected (Steering Pad Switch Assembly) |
- |
- |
Air Conditioning Amplifier Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Air Conditioning Amplifier Communication Stop Mode
"Air Conditioner" is not displayed on "CAN Bus Check" screen
o ...
Illumination Circuit
DESCRIPTION
Power is supplied to the navigation receiver assembly and steering pad switch
assembly illumination when the light control switch is in the tail or head position.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The vehicle is equipp ...
Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION
In this circuit, the meter CPU receives engine coolant temperature signals from
the ECM using the CAN communication system (CAN No. 1 Bus). The meter CPU displays
engine coolant temperature that is calculated based on the data received from th ...