Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ3A
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: AUDIO / VIDEO: STEERING PAD SWITCH: INSPECTION; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

INSPECTION

PROCEDURE

1. INSPECT STEERING PAD SWITCH ASSEMBLY (w/ Steering Heater)

(a) w/ Dynamic Radar Cruise Control System:

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

Text in Illustration

*a

Component without harness connected

(Steering Pad Switch Assembly)

*b

Seek+ Switch

*c

Volume+ Switch

*d

Volume- Switch

*e

Seek- Switch

*f

Off Hook Switch

*g

On Hook Switch

*h

MODE Switch

*i

Voice Switch

*j

Enter Switch

*k

Left Switch

*l

Up Switch

*m

Back Switch

*n

Right Switch

*o

Top Switch

*p

Down Switch

*q

Distance Control Switch

-

-

Standard Resistance:

Tester Connection

Condition

Specified Condition

11 (AU1) - 8 (EAU)

No switch is pushed

95 to 105 kΩ

Seek+ switch is pushed

Below 2.5 Ω

Seek- switch is pushed

313 to 345 Ω

Volume+ switch is pushed

950 to 1050 Ω

Volume- switch is pushed

2955 to 3265 Ω

10 (AU2) - 8 (EAU)

No switch pushed

95 to 105 kΩ

MODE switch is pushed

Below 2.5 Ω

On Hook switch is pushed

313 to 345 Ω

Off Hook switch is pushed

950 to 1050 Ω

Voice switch is pushed

2955 to 3265 Ω

3 (+DP2) - 8 (EAU)

No switch is pushed

95 to 105 kΩ

Left switch is pushed

Below 2.5 Ω

Up switch is pushed

313 to 345 Ω

Down switch is pushed

950 to 1050 Ω

Right switch is pushed

2955 to 3265 Ω

2 (+DP) - 8 (EAU)

No switch is pushed

95 to 105 kΩ

Enter switch is pushed

Below 2.5 Ω

Top switch is pushed

313 to 345 Ω

Back switch is pushed

950 to 1050 Ω

4 (DIST) - 7 (ECC)

Distance control switch is pushed

Below 2.5 Ω

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

(b) w/o Dynamic Radar Cruise Control System:

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

Text in Illustration

*a

Component without harness connected

(Steering Pad Switch Assembly)

*b

Seek+ Switch

*c

Volume+ Switch

*d

Volume- Switch

*e

Seek- Switch

*f

Off Hook Switch

*g

On Hook Switch

*h

MODE Switch

*i

Voice Switch

*j

Enter Switch

*k

Left Switch

*l

Up Switch

*m

Back Switch

*n

Right Switch

*o

Top Switch

*p

Down Switch

Standard Resistance:

Tester Connection

Condition

Specified Condition

11 (AU1) - 8 (EAU)

No switch is pushed

95 to 105 kΩ

Seek+ switch is pushed

Below 2.5 Ω

Seek- switch is pushed

313 to 345 Ω

Volume+ switch is pushed

950 to 1050 Ω

Volume- switch is pushed

2955 to 3265 Ω

10 (AU2) - 8 (EAU)

No switch pushed

95 to 105 kΩ

MODE switch is pushed

Below 2.5 Ω

On Hook switch is pushed

313 to 345 Ω

Off Hook switch is pushed

950 to 1050 Ω

Voice switch is pushed

2955 to 3265 Ω

3 (+DP2) - 8 (EAU)

No switch is pushed

95 to 105 kΩ

Left switch is pushed

Below 2.5 Ω

Up switch is pushed

313 to 345 Ω

Down switch is pushed

950 to 1050 Ω

Right switch is pushed

2955 to 3265 Ω

2 (+DP) - 8 (EAU)

No switch is pushed

95 to 105 kΩ

Enter switch is pushed

Below 2.5 Ω

Top switch is pushed

313 to 345 Ω

Back switch is pushed

950 to 1050 Ω

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

2. INSPECT STEERING PAD SWITCH ASSEMBLY (w/o Steering Heater)

(a) w/o DISP Switch

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

Text in Illustration

*a

Component without harness connected

(Steering Pad Switch Assembly)

*b

Seek+ Switch

*c

Volume+ Switch

*d

Volume- Switch

*e

Seek- Switch

*f

Off Hook Switch

*g

On Hook Switch

*h

MODE Switch

*i

Voice Switch

*j

Enter Switch

*k

Left Switch

*l

Up Switch

*m

Back Switch

*n

Right Switch

*o

Top Switch

*p

Down Switch

Standard Resistance:

Tester Connection

Condition

Specified Condition

10 (AU1) - 7 (EAU)

No switch is pushed

95 to 105 kΩ

Seek+ switch is pushed

Below 2.5 Ω

Seek- switch is pushed

313 to 345 Ω

Volume+ switch is pushed

950 to 1050 Ω

Volume- switch is pushed

2955 to 3265 Ω

9 (AU2) - 7 (EAU)

No switch pushed

95 to 105 kΩ

MODE switch is pushed

Below 2.5 Ω

On Hook switch is pushed

313 to 345 Ω

Off Hook switch is pushed

950 to 1050 Ω

Voice switch is pushed

2955 to 3265 Ω

3 (+DP2) - 7 (EAU)

No switch is pushed

95 to 105 kΩ

Left switch is pushed

Below 2.5 Ω

Up switch is pushed

313 to 345 Ω

Down switch is pushed

950 to 1050 Ω

Right switch is pushed

2955 to 3265 Ω

2 (+DP) - 7 (EAU)

No switch pushed

95 to 105 kΩ

Enter switch is pushed

Below 2.5 Ω

Top switch is pushed

313 to 345 Ω

Back switch is pushed

950 to 1050 Ω

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

(b) w/ DISP Switch

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

Text in Illustration

*a

Component without harness connected

(Steering Pad Switch Assembly)

*b

Seek+ Switch

*c

Volume+ Switch

*d

Volume- Switch

*e

Seek- Switch

*f

Off Hook Switch

*g

On Hook Switch

*h

MODE Switch

*i

Voice Switch

*j

Enter Switch

*k

Left Switch

*l

Up Switch

*m

Back Switch

*n

Right Switch

*o

Down Switch

*p

DISP Switch

Standard Resistance:

Tester Connection

Condition

Specified Condition

10 (AU1) - 7 (EAU)

No switch is pushed

95 to 105 kΩ

Seek+ switch is pushed

Below 2.5 Ω

Seek- switch is pushed

313 to 345 Ω

Volume+ switch is pushed

950 to 1050 Ω

Volume- switch is pushed

2955 to 3265 Ω

Up switch is pushed

Below 2.5 Ω

Down switch is pushed

313 to 345 Ω

9 (AU2) - 7 (EAU)

No switch pushed

95 to 105 kΩ

MODE switch is pushed

Below 2.5 Ω

On Hook switch is pushed

313 to 345 Ω

Off Hook switch is pushed

950 to 1050 Ω

Voice switch is pushed

2955 to 3265 Ω

8(AU3) - 7(EAU)

No switch is pushed

95 to 105 kΩ

Enter switch is pushed

Below 2.5 Ω

Back switch is pushed

313 to 345 Ω

Right switch is pushed

950 to 1050 Ω

Left switch is pushed

2955 to 3265 Ω

2 (+DP) - 7 (EAU)

DISP Switch is pushed

Below 2.5 Ω

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