Engine Immobiliser System

1. CHECK TRANSPONDER KEY AMPLIFIER

Terminals Of Control Module/Pinouts - Check Transponder Key Amplifier (Part 1):

Terminals Of Control Module/Pinouts - Check Transponder Key Amplifier (Part 2):

a. Disconnect the I14 amplifier connector and measure the resistance between the terminal of the wire harness side connector and body ground.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminals Of Control Module/Pinouts - Check Transponder Key Amplifier (Part 3):

Oscilloscope Waveforms (Part 1):

Oscilloscope Waveform (Part 2):

b. Reconnect the I14 amplifier connector and measure the resistance and voltage of each terminal of the connector.

If the result is not as specified, the amplifier may have a malfunction.

2. CHECK TRANSPONDER KEY ECU ASSEMBLY

Terminals Of Control Module/Pinouts - Check Transponder Key ECU Amplifier (Part 1):

Terminals Of Control Module/Pinouts - Check Transponder Key ECU Amplifier (Part 2):

a. Disconnect the T6 ECU connector and measure the resistance and voltage between each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminals Of Control Module/Pinouts - Check Transponder Key ECU Amplifier (Part 3):

Terminals Of Control Module/Pinouts - Check Transponder Key ECU Amplifier (Part 4):

Oscilloscope Waveforms:

b. Reconnect the T9 ECU connector and measure the voltage of each terminal of the connector.

If the result is not as specified, the ECU may have a malfunction.

3. CHECK ECM

Terminals Of Control Module/Pinouts - Check ECM (Part 1):

Terminals Of Control Module/Pinouts - Check ECM (Part 2):

a. Disconnect the E11 ECM connector and measure the resistance between the terminal of the wire harness side connector and body ground.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminals Of Control Module/Pinouts - Check ECM (Part 3):

Oscilloscope Waveforms:

b. Reconnect the E11 ECM. Measure the voltage between each terminal of the connector according to the value(s) in the table.

If the result is not as specified, there may be a malfunction on the wire harness side.