Toyota 4Runner: Transponder Key Amplifier

Toyota 4Runner Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / 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 illumination condition.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 2 (ILL+)

Battery negative (-) → Terminal 6 (ILL-)

LED illuminates

If the result is not as specified, replace the transponder key amplifier.

Text in Illustration

*a	Component without harness connected (Transponder Key Amplifier)

Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 2 SWITCH HOLE BASE

2. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY

3. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY

4. REMOVE LOWER STEERING COLUMN COVER

5. REMOVE UPPER STEERING COLUMN COVER

6. REMOVE TRANSPONDER KEY AMPLIFIER

(a) Remove the screw and cover.

(b) Turn the key amplifier as shown in the illustration to detach the 2 claws and remove the key amplifier.

Installation

INSTALLATION

PROCEDURE

1. INSTALL TRANSPONDER KEY AMPLIFIER

(a) Connect the connector.

(b) Turn the key amplifier as shown in the illustration to attach the 2 claws and install the key amplifier.

2. INSTALL UPPER STEERING COLUMN COVER

3. INSTALL LOWER STEERING COLUMN COVER

4. INSTALL INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY

5. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY

6. INSTALL NO. 2 SWITCH HOLE BASE

Security Indicator Light Circuit

DESCRIPTION When the theft deterrent system is in the disarmed state, the security indicator light flashes continuously when the engine immobiliser system is set, and does not illumina ...

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 ( ...

Other materials about Toyota 4Runner:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the navigation receiver assembly via this circuit. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR ( ...