Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 2005 >> Avalon V6-3.5L (2GR-FE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Alarm Module >> Testing and Inspection >> Push Button Start
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Push Button Start

TERMINALS OF ECU

1. CHECK POWER SOURCE CONTROL ECU ASSEMBLY




a. Disconnect the D44 ECU connector.




b. Measure the resistance and voltage of the wire harness side connector.
c. Reconnect the D44 ECU connector.

Part 1:




Part 2:




d. Measure the voltage of the connector.

WAVEFORM 1

Oscilloscope Waveforms:




Engine speed signal

HINT: The wavelength becomes shorter as the engine rpm increases.

2. CHECK CERTIFICATION ECU




a. Disconnect the D39 ECU connector.




b. Measure the resistance of the wire harness side connector.
c. Reconnect the D39 ECU connector.




d. Measure the voltage of the connector.

3. CHECK ECM




a. Disconnect the A24 and B45 ECM connectors.




b. Measure the resistance and voltage of the connectors.
c. Reconnect the A24 and B45 ECM connectors.




d. Measure the voltage of the connectors.

4. CHECK STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)




a. Disconnect the D14 actuator connector.




b. Measure the resistance and voltage of the wire harness side connector.
c. Reconnect the D14 ECU connector.




d. Measure the voltage of the connectors.
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