Toyota 4Runner: Transponder Key Ecu

Toyota 4Runner Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Transponder Key Ecu

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONING UNIT ASSEMBLY

(a) Remove the air conditioning unit (See page ).

2. REMOVE TRANSPONDER KEY ECU ASSEMBLY

(a) Move the transponder key ECU in the direction of the arrow in the illustration to detach the claw.

(b) Move the transponder key ECU in the direction of the arrow to detach the 2 claws and remove the transponder key ECU.

Installation

INSTALLATION

PROCEDURE

1. INSTALL TRANSPONDER KEY ECU ASSEMBLY

(a) Attach the 2 claws and move the transponder key ECU in the direction of the arrow.

(b) Move the transponder key ECU in the direction of the arrow to attach the claw and install the transponder key ECU.

2. INSTALL INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONING UNIT ASSEMBLY

(a) Install the air conditioning unit (See page ).

3. REGISTRATION ECU CODE

(a) Register the ECU code (See page ).

Transponder Key Amplifier

Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT TRANSPONDER KEY AMPLIFIER (a) Apply battery voltage to the connector and check the LED illuminatio ...

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ECU Power Source Circuit
DESCRIPTION This circuit provides power to operate the transponder key ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE ...