Toyota Yaris: Steering Pad Switch / Inspection

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Steering / Steering Column / Steering Pad Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT STEERING PAD SWITCH ASSEMBLY (w/ Dynamic Radar Cruise Control System)

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

*a

Component without harness connected

(Steering Pad Switch Assembly)

*b

Up

*c

Down

*d

Right

*e

Left

*f

OK

*g

Back

*h

On/off Hook

*i

Voice

*j

Volume+

*k

Volume-

*l

Seek+

*m

Seek-

*n

MODE

*o

+RES

*p

-SET

*q

CANCEL

*r

Lane Tracing Assist

*s

Distance Control

*t

Cruise Control Main

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 (AU1) - 10 (EAU)

No switch pushed

95 to 105 kΩ

3 (AU1) - 10 (EAU)

Seek+ switch pushed

Below 2.5 Ω

3 (AU1) - 10 (EAU)

Seek- switch pushed

313 to 345 Ω

3 (AU1) - 10 (EAU)

Volume+ switch pushed

950 to 1050 Ω

3 (AU1) - 10 (EAU)

Volume- switch pushed

2955 to 3265 Ω

9 (AU2) - 10 (EAU)

No switch pushed

95 to 105 kΩ

9 (AU2) - 10 (EAU)

MODE switch pushed

Below 2.5 Ω

9 (AU2) - 10 (EAU)

On/off hook switch pushed

950 to 1050 Ω

9 (AU2) - 10 (EAU)

Voice switch pushed

2955 to 3265 Ω

5 (+DP2) - 10 (EAU)

No switch pushed

95 to 105 kΩ

5 (+DP2) - 10 (EAU)

Left switch pushed

Below 2.5 Ω

5 (+DP2) - 10 (EAU)

Up switch pushed

313 to 345 Ω

5 (+DP2) - 10 (EAU)

Down switch pushed

950 to 1050 Ω

5 (+DP2) - 10 (EAU)

Right switch pushed

2955 to 3265 Ω

4 (+DP) - 10 (EAU)

No switch pushed

95 to 105 kΩ

4 (+DP) - 10 (EAU)

OK switch pushed

Below 2.5 Ω

4 (+DP) - 10 (EAU)

Back switch pushed

313 to 345 Ω

8 (DIST) - 12 (ECC)

No switch pushed

1 MΩ or higher

8 (DIST) - 12 (ECC)

Distance control switch pushed

Below 2.5 Ω

8 (DIST) - 12 (ECC)

Lane tracing assist switch pushed

228 to 252 Ω

2 (CCS) - 12 (ECC)

No switch pushed

1 MΩ or higher

2 (CCS) - 12 (ECC)

Cruise control main switch pushed

Below 2.5 Ω

2 (CCS) - 12 (ECC)

CANCEL switch pushed

228 to 252 Ω

2 (CCS) - 12 (ECC)

+RES switch pushed

599 to 661 Ω

2 (CCS) - 12 (ECC)

-SET switch pushed

1463 to 1617 Ω

If the result is not as specified, replace the steering pad switch assembly.

(b) Check the illumination.

(1) Apply auxiliary battery voltage to the steering pad switch assembly and check that the illumination.

OK:

Tester Connection

Condition

Specified Condition

1 (ILL+2) - 6 (ILL-)

1 (ILL+2) - Auxiliary battery positive (+)

6 (ILL-) - Auxiliary battery negative (-)

Illumination illuminates

If the result is not as specified, replace the steering pad switch assembly.

2. INSPECT STEERING PAD SWITCH ASSEMBLY (w/o Dynamic Radar Cruise Control System)

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

*a

Component without harness connected

(Steering Pad Switch Assembly)

*b

Up

*c

Down

*d

Right

*e

Left

*f

OK

*g

Back

*h

On/off Hook

*i

Voice

*j

Volume+

*k

Volume-

*l

Seek+

*m

Seek-

*n

MODE

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 (AU1) - 10 (EAU)

No switch pushed

95 to 105 kΩ

3 (AU1) - 10 (EAU)

Seek+ switch pushed

Below 2.5 Ω

3 (AU1) - 10 (EAU)

Seek- switch pushed

313 to 345 Ω

3 (AU1) - 10 (EAU)

Volume+ switch pushed

950 to 1050 Ω

3 (AU1) - 10 (EAU)

Volume- switch pushed

2955 to 3265 Ω

9 (AU2) - 10 (EAU)

No switch pushed

95 to 105 kΩ

9 (AU2) - 10 (EAU)

MODE switch pushed

Below 2.5 Ω

9 (AU2) - 10 (EAU)

On/off hook switch pushed

950 to 1050 Ω

9 (AU2) - 10 (EAU)

Voice switch pushed

2955 to 3265 Ω

5 (+DP2) - 10 (EAU)

No switch pushed

95 to 105 kΩ

5 (+DP2) - 10 (EAU)

Left switch pushed

Below 2.5 Ω

5 (+DP2) - 10 (EAU)

Up switch pushed

313 to 345 Ω

5 (+DP2) - 10 (EAU)

Down switch pushed

950 to 1050 Ω

5 (+DP2) - 10 (EAU)

Right switch pushed

2955 to 3265 Ω

4 (+DP) - 10 (EAU)

No switch pushed

95 to 105 kΩ

4 (+DP) - 10 (EAU)

OK switch pushed

Below 2.5 Ω

4 (+DP) - 10 (EAU)

Back switch pushed

313 to 345 Ω

If the result is not as specified, replace the steering pad switch assembly.

(b) Check the illumination.

(1) Apply auxiliary battery voltage to the steering pad switch assembly and check that the illumination.

OK:

Tester Connection

Condition

Specified Condition

1 (ILL+2) - 6 (ILL-)

1 (ILL+2) - Auxiliary battery positive (+)

6 (ILL-) - Auxiliary battery negative (-)

Illumination illuminates

If the result is not as specified, replace the steering pad switch assembly.

    Removal

    REMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected/reconnected to the auxiliary battery terminal, systems temporarily stop operating...

    Installation

    INSTALLATION PROCEDURE 1. INSTALL STEERING PAD SWITCH ASSEMBLY (a) Engage the 6 pins to install the steering pad switch assembly. (b) Connect the steering pad switch connector to the spiral cable sub-assembly...

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