Engine Immobiliser System

1. CHECK TRANSPONDER KEY AMPLIFIER

Terminals Of ECU - Connector View:

a. Disconnect the transponder key amplifier connector.

Terminals Of ECU (Standard) - Pinouts:

Standard:




b. Connect the transponder key amplifier connector.
Standard:

Part 1:

Part 2:

c. Using an oscilloscope, inspect.

2. CHECK ECM

Terminals Of ECM:

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.
Standard:

Oscilloscope Waveform:

b. Using an oscilloscope, inspect.