Toyota 4Runner manuals

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.

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