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Home >> Toyota >> 2003 >> Avalon V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Alarm Module >> Testing and Inspection >> Engine Immobilizer System
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Engine Immobilizer System

TERMINALS OF ECM

CHECK ECM

Terminals Of ECM - Connector View:




Pinouts:





a. Check the voltage and continuity of each terminal of the wire harness side connectors.

NOTE:
- The check should be start from the backside of the ECM with the ECM connector being connected.
- Inspect the power source voltage (ignition switch ON: 10 - 14 V) and the body ground (ignition switch OFF: below 5 Ohms (each ground terminal engine ground body ground)) before the check.

HINT: If a "waveform" is specified in the table, the actual waveform is provided on the given image.

Oscilloscope Waveforms:




b. Using an oscilloscope, inspect.

NOTE: The waveform provided on this text does not include noise and chattering.

HINT: If the result is not as specified, the ECM may malfunction.


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