Toyota 4Runner: Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING PAD SWITCH ASSEMBLY
(a) Inspect the steering pad switch assembly.
(1) Disconnect the switch connector.
Text in Illustration
|
*1 |
Up Switch |
*2 |
Down Switch |
|
*3 |
Left Switch |
*4 |
Right Switch |
|
*5 |
Enter Switch |
*6 |
Back Switch |
|
*7 |
MODE Switch |
*8 |
Volume+ Switch |
|
*9 |
Volume- Switch |
*10 |
Off Hook (During Dialing or Communication) |
|
*11 |
On Hook (Hong UP the Phone) |
*12 |
Voice Switch |
|
*13 |
DISP Switch |
*14 |
Terminal B |
|
*a |
Component without harness connected (Steering Pad Switch Assembly) |
- |
- |
(2) Measure the resistance according to the value(s) in the table below.
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
Z11-1 (HO) - Terminal B |
Always |
Below 2.5 Ω |
|
Z11-10 (AU1) - Z11-7 (EAU) |
No Switch pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
No Switch pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
No Switch pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Up Switch: pushed |
Below 2.5 Ω |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Up Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Up Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Down Switch: pushed |
313 to 345 Ω |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Down Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Down Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Right Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Right Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Right Switch: pushed |
950 to 1050 Ω |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Left Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Left Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Left Switch: pushed |
2955 to 3265 Ω |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Enter Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Enter Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Enter Switch: pushed |
Below 2.5 Ω |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Back Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Back Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Back Switch: pushed |
313 to 345 Ω |
|
Z11-10 (AU1) - Z11-7 (EAU) |
MODE Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
MODE Switch: pushed |
Below 2.5 Ω |
|
Z11-8 (AU3) - Z11-7 (EAU) |
MODE Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Volume+ Switch: pushed |
950 to 1050 Ω |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Volume+ Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Volume+ Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Volume- Switch: pushed |
2955 to 3265 Ω |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Volume- Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Volume- Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Off Hook Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Off Hook Switch: pushed |
950 to 1050 Ω |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Off Hook Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
On Hook Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
On Hook Switch: pushed |
313 to 345 Ω |
|
Z11-8 (AU3) - Z11-7 (EAU) |
On Hook Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
Voice Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
Voice Switch: pushed |
2955 to 3265 Ω |
|
Z11-8 (AU3) - Z11-7 (EAU) |
Voice Switch: pushed |
95 to 105 kΩ |
|
Z11-10 (AU1) - Z11-7 (EAU) |
DISP Switch: pushed |
95 to 105 kΩ |
|
Z11-9 (AU2) - Z11-7 (EAU) |
DISP Switch: pushed |
95 to 105 kΩ |
|
Z11-8 (AU3) - Z11-7 (EAU) |
DISP Switch: pushed |
95 to 105 kΩ |
|
Z11-2 (+DP) - Z11-3 (-DP) |
DISP Switch: pushed |
Below 2.5 Ω |
If the result is not as specified, replace the steering pad switch assembly.
(b) Check the illumination.
(1) Connect the battery positive (+) lead to terminal IL+2 and the 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.
If the result is not as specified, replace the steering pad switch assembly.
Removal
REMOVAL
CAUTION / NOTICE / HINT
CAUTION:
Some of these service operations affect the SRS airbag system. Read the precautionary
notices concerning the SRS airbag system before servicing the steeri ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL STEERING WHEEL ASSEMBLY
(a) Align the matchmarks on the steering wheel assembly and steering main shaft
assembly.
(b) Install the steering wheel assembly set nu ...
Other materials about Toyota 4Runner:
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. DESCRIPTION
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harness
between the sensors and ECUs can be detected through the ECU data monitor function
of the Techstream.
(a) Turn the igniti ...
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
PROCEDURE
1. REMOVE OUTER MIRROR LH
(a) Put protective tape around the outer mirror LH.
(b) Using a moulding remover, detach the 2 claws of the outer mirror
LH as shown in the illustration.
Text in Ill ...
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