Toyota Avalon (XX50): Steering Pad Switch

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Steering / Steering Column / Steering Pad Switch

Components

COMPONENTS

ILLUSTRATION

*1

STEERING PAD SWITCH ASSEMBLY

-

-

Inspection

INSPECTION

PROCEDURE

1. INSPECT STEERING PAD SWITCH ASSEMBLY

(a) 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

Cruise Control Main

*r

CANCEL

*s

Distance Control

*t

Lane Departure Alert

Standard Resistance:

Tester Connection

Condition

Specified Condition

z1-3 (AU1) - z1-10 (EAU)

No switch pushed

95 to 105 kΩ

Seek+ switch pushed

Below 2.5 Ω

Seek- switch pushed

313 to 345 Ω

Volume+ switch pushed

950 to 1050 Ω

Volume- switch pushed

2955 to 3265 Ω

z1-9 (AU2) - z1-10 (EAU)

No switch pushed

95 to 105 kΩ

MODE switch pushed

Below 2.5 Ω

On/off hook switch pushed

950 to 1050 Ω

Voice switch pushed

2955 to 3265 Ω

z1-5 (+DP2) - z1-10 (EAU)

No switch pushed

95 to 105 kΩ

Left switch pushed

Below 2.5 Ω

Up switch pushed

313 to 345 Ω

Down switch pushed

950 to 1050 Ω

Right switch pushed

2955 to 3265 Ω

z1-4 (+DP) - z1-10 (EAU)

No switch pushed

95 to 105 kΩ

OK switch pushed

Below 2.5 Ω

Back switch pushed

313 to 345 Ω

z1-8 (DIST) - z1-12 (ECC)

No switch pushed

1 MΩ or higher

Distance control switch pushed

Below 2.5 Ω

Lane departure alert switch pushed

228 to 252 Ω

z1-2 (CCS) - z1-12 (ECC)

No switch pushed

1 MΩ or higher

Cruise control main switch pushed

Below 2.5 Ω

CANCEL switch pushed

228 to 252 Ω

+RES switch pushed

599 to 661 Ω

-SET switch pushed

1463 to 1617 Ω

HINT:

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

(b) Check the illumination.

*a

Component without harness connected

(Steering Pad Switch Assembly)

-

-

(1) Connect a positive (+) lead from the auxiliary battery to terminal 1 (ILL+2) and a negative (-) lead to terminal 6 (ILL-2) of the steering pad switch assembly connector.

(2) Check that the steering pad switch assembly illumination illuminates.

OK:

The steering pad switch assembly illumination illuminates.

HINT:

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

Installation

INSTALLATION

PROCEDURE

1. INSTALL STEERING PAD SWITCH ASSEMBLY

(a) Engage the 4 claws and 3 pins to install the steering pad switch assembly.

(b) Install the 2 screws.

(c) Connect the steering pad switch connector to the spiral cable with sensor sub-assembly.

2. INSTALL HORN BUTTON ASSEMBLY

Click here

Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during steering pad switch assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

PROCEDURE

1. REMOVE HORN BUTTON ASSEMBLY

Click here

2. REMOVE STEERING PAD SWITCH ASSEMBLY

(a) Disconnect the steering pad switch connector from the spiral cable with sensor sub-assembly.

(b) Remove the 2 screws.

(c) Disengage the 4 claws and 3 pins to remove the steering pad switch assembly.

Steering Heater Switch

Steering System

See More:

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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