Toyota Avalon (XX50): Shift Paddle Switch

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Drivetrain / Ua80e Automatic Transmission / Transaxle / Shift Paddle Switch

Components

COMPONENTS

ILLUSTRATION

*1	STEERING WHEEL ASSEMBLY	*2	STEERING PAD SWITCH ASSEMBLY
*3	SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY)	*4	NO. 1 SWITCH WIRE
*5	NO. 1 TRANSMISSION SHIFT SWITCH ASSEMBLY	*6	NO. 2 TRANSMISSION SHIFT SWITCH ASSEMBLY
	Nm (kgfcm, ft.*lbf): Specified torque	●	Non-reusable part
★	Precoated part	-	-

Inspection

INSPECTION

PROCEDURE

1. INSPECT SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY)

(a) No. 1 transmission shift switch assembly:

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 (SDN) - 2 (ECC)	"-" (Down shift) shift paddle switch operated and held	Below 13 Ω
1 (SDN) - 2 (ECC)	"-" (Down shift) shift paddle switch not operated	10 kΩ or higher
1 (SDN) - 3 (ECC1)	"-" (Down shift) shift paddle switch operated and held	Below 13 Ω
1 (SDN) - 3 (ECC1)	"-" (Down shift) shift paddle switch not operated	10 kΩ or higher

If the result is not as specified, replace the No. 1 transmission shift switch assembly.

*a	Component without harness connected (No. 1 Transmission Shift Switch Assembly)

(b) No. 2 transmission shift switch assembly:

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 (SUP) - 2 (ECC)	"+" (Up shift) shift paddle switch operated and held	Below 13 Ω
1 (SUP) - 2 (ECC)	"+" (Up shift) shift paddle switch not operated	10 kΩ or higher

If the result is not as specified, replace the No. 2 transmission shift switch assembly.

*a	Component without harness connected (No. 2 Transmission Shift Switch Assembly)

Installation

INSTALLATION

PROCEDURE

1. INSTALL NO. 1 SWITCH WIRE

HINT:

Perform this procedure only when replacement of the No. 1 switch wire is necessary.

(a) Engage the 2 guides to install the No. 1 switch wire to the steering wheel assembly.

2. INSTALL SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY)

(a) Connect the No. 1 transmission shift switch assembly connector and No. 2 transmission shift switch assembly connector to install the No. 1 transmission shift switch assembly and No. 2 transmission shift switch assembly to the No. 1 switch wire.

(b) Engage the 2 clamps.

(c) Engage the 4 claws to install the shift paddle switch (transmission shift switch assembly) to the steering wheel assembly.

(d) Install 2 new screws.

Torque:

1.7 N·m {17 kgf·cm, 15 in·lbf}

3. INSTALL STEERING PAD SWITCH ASSEMBLY

Click here

4. INSTALL STEERING WHEEL 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 shift paddle switch (transmission shift switch assembly) removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed
*: When performing learning using the Techstream. Click here
Battery terminal is disconnected/reconnected	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
	Memorize steering angle neutral point	Panoramic View Monitor System

NOTICE:

Do not remove/install the spiral cable with sensor sub-assembly with the battery connected and the engine switch on (IG).
Do not rotate the spiral cable with sensor sub-assembly without the steering wheel assembly installed, with the battery connected and the engine switch on (IG).
Ensure that the steering wheel assembly is installed and aligned straight when inspecting the steering sensor.

PROCEDURE

1. REMOVE STEERING WHEEL ASSEMBLY

Click here

2. REMOVE STEERING PAD SWITCH ASSEMBLY

Click here

3. REMOVE SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY)

(a) Remove the 2 screws.

(b) Disengage the 4 claws.

(c) Disengage the 2 clamps to disconnect the shift paddle switch (transmission shift switch assemby) from the steering wheel assembly.

(d) Disconnect the No. 1 transmission shift switch assembly connector and No. 2 transmission shift switch assembly connector to remove the No. 1 transmission shift switch assembly and No. 2 transmission shift switch assembly from the No. 1 switch wire.

*1	No. 1 Transmission Shift Switch Assembly
*2	No. 2 Transmission Shift Switch Assembly

4. REMOVE NO. 1 SWITCH WIRE

HINT:

Perform this procedure only when replacement of the No. 1 switch wire is necessary.

(a) Disengage the 2 guides and remove the No. 1 switch wire from the steering wheel assembly.

Shift Lever

Speed Sensor

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