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Home >> Toyota >> 2005 >> Solara V6-3.3L (3MZ-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 ECU

1. CHECK TRANSPONDER KEY AMPLIFIER




a. Disconnect the I14 amplifier connector.




b. Measure the resistance of the wire harness side connector.

c. Reconnect the I14 amplifier connector.




d. Measure the resistance and voltage of the connector.

Oscilloscope Waveform:







e. Inspect using an oscilloscope.

2. CHECK TRANSPONDER KEY ECU ASSY




a. Disconnect the T5 ECU connector.




b. Measure the voltage and resistance of the wire harness side connector.
c. Reconnect the T5 ECU connector.




d. Measure the voltage of the connector.

Oscilloscope Waveform:




Oscilloscope Waveform:




Oscilloscope Waveform:




Oscilloscope Waveform:




e. Inspect using an oscilloscope.

3. CHECK ECM




a. Disconnect the E5 and E6 ECM connectors.




b. Measure the voltage and resistance of the wire harness side connectors.

Oscilloscope Waveform:




Oscilloscope Waveform:




c. Inspect using an oscilloscope.
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