Lexus ES: System Diagram
SYSTEM DIAGRAM
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
*: Use the Techstream
Use the following procedure to troubleshoot the hybrid control system.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Utility
UTILITY HINT:
With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream.
You should check "All Readiness" after simulating malfunction symptom
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE Hybrid Control System Symptom Suspected Area Link Cannot enter EV drive mode CAN communication system Pattern Select Switch EV Mode Circuit EV mod
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DCM Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area DCM Communication Stop Mode Any of the following conditions are met:
Communication stop for "DCM" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
Communication stop history for "DCM" is indicated
DC/DC Converter Current Sensor Signal Stuck In Range (P0E512A)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC is stored if the value of the reactor current sensor does not change. The cause of this malfunction may be one of the following: Area Main Malfunction Description Inverter
Inverter internal circuit malfunction
Malfunction in ECU that contr
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