Engine Immobilizer System

TERMINALS OF ECU

Terminals Of ECU - Connector View:

1. CHECK TRANSPONDER KEY AMPLIFIER

Pinouts:

a. Disconnect the transponder key amplifier connector.

Pinouts:

b. Connect the transponder key amplifier connector.

Oscilloscope Waveform Part 1:

Oscilloscope Waveform Part 2:

c. Inspection using an oscilloscope.

2. CHECK ECM

Terminals Of ECU:

a. Check the voltage and continuity of each terminal of the vehicle's side connectors.

NOTE:
- Inspection should be started from the backside of the ECM with the ECM connector being connected.
- Inspect the power source voltage and the body ground before the operation inspection.

Oscilloscope Waveform:

b. Inspection using an oscilloscope.