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Home >> Lexus >> 2006 >> IS 350 V6-3.5L (2GR-FSE) >> Repair and Diagnosis >> Starting and Charging >> Starting System >> Testing and Inspection >> Pinout Values and Diagnostic Parameters
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Pinout Values and Diagnostic Parameters

TERMINALS OF ECU

Terminals Of Control Module/Pinouts-Check Power Source Control ECU (Part 1):




1. CHECK POWER SOURCE CONTROL ECU
a. Disconnect the J55 ECU connector.

Terminals Of Control Module/Pinouts-Check Power Source Control ECU (Part 2):




b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.

c. Reconnect the J55 ECU connector.

Terminals Of Control Module/Pinouts-Check Power Source Control ECU (Part 3):




Terminals Of Control Module/Pinouts-Check Power Source Control ECU (Part 4):




d. Measure the voltage of the connector.

Oscilloscope Waveforms (Part 1):




Oscilloscope Waveforms (Part 2):




e. Using an oscilloscope, check the signal waveform of the ECU.

Terminals Of Control Module/Pinouts-Check Certification ECU (Part 1):




2. CHECK CERTIFICATION ECU
a. Disconnect the P33 ECU connector.

Terminals Of Control Module/Pinouts-Check Certification ECU (Part 2):




b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.

Terminals Of Control Module/Pinouts-Check ECM (Part 1):




3. CHECK ECM
a. Disconnect the A5, E5, E4, E3 and E6 ECM connectors.

Terminals Of Control Module/Pinouts-Check ECM (Part 2):




b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the A5, E5, E4, E3 and E6 ECM connectors.

Terminals Of Control Module/Pinouts-Check ECM (Part 3):




d. Measure the voltage of the connectors.
If the result is not as specified, the ECM may have a malfunction.

Oscilloscope Waveform:




e. Using an oscilloscope, check the signal waveform of the ECM.

Terminals Of Control Module/Pinouts-Check Steering Lock ECU (Part 1):




4. CHECK STEERING LOCK ECU
a. Disconnect the J29 ECU connector.

Terminals Of Control Module/Pinouts-Check Steering Lock ECU (Part 2):




b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the J29 ECU connector.

Terminals Of Control Module/Pinouts-Check Steering Lock ECU (Part 3):




d. Measure the voltage of the connector.
If the result is not as specified, the ECU may have a malfunction.
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