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

Components

COMPONENTS

ILLUSTRATION

*1	TRANSMITTER BATTERY	*2	MECHANICAL KEY
*3	TRANSMITTER HOUSING COVER	*4	TRANSMITTER HOUSING CASE
*5	SMART KEY DOOR CONTROL TRANSMITTER HOUSING SET	-	-

Installation

INSTALLATION

PROCEDURE

1. INSTALL TRANSMITTER BATTERY

(a) Install the transmitter battery (lithium battery: CR2032) with the positive (+) side facing upward, as shown in the illustration.

NOTICE:

Do not bend the transmitter battery electrode during installation.
Keep the inside of the transmitter housing cover free of dust and oil.
When replacing the transmitter battery, before starting work, remove static electricity that has built up in the body by touching, for example, the vehicle to prevent the electrical key transmitter sub-assembly from being damaged.

Install in this Direction

(b) Install the transmitter housing cover by pressing down on it as shown in the illustration.

Install in this Direction

(d) Press one of the transmitter switches and check that the LED illuminates.

OK:

Transmitter LED illuminates when a switch is pressed.

Removal

REMOVAL

PROCEDURE

1. REMOVE TRANSMITTER BATTERY

NOTICE:

Take extra care when handling these precision electronic components.

(a) Slide the release hook knob and remove the mechanical key as shown in the illustration.

(b) Insert a screwdriver into the gap, and turn the screwdriver to remove the transmitter housing cover.

HINT:

Tape the screwdriver tip before use.

*a	Protective Tape

(c) Insert a precision screwdriver into the gap and gently remove the transmitter battery (lithium battery: CR2032) as shown in the illustration.

NOTICE:

Do not push the terminals with your finger.
Do not forcibly pry up the transmitter battery as the terminals may be damaged.
Do not touch the transmitter battery with wet hands. Moisture may cause rust.
Do not touch or move any components inside the transmitter housing case. It may interfere with proper operation.
When replacing the transmitter battery, before starting work, remove static electricity that has built up in the body by touching, for example, the vehicle to prevent the electrical key transmitter sub-assembly from being damaged.

HINT:

Tape the screwdriver tip before use.

*a	Protective Tape
	Remove in this Direction

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Toyota Avalon (XX50) 2019-2022 Owners Manual