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 ALL READINESS 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 malfu
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
SEE MORE:
Hybrid/EV Battery Control System Circuit Voltage Below Threshold (P300016)
DESCRIPTION The hybrid vehicle control ECU alerts the driver and performs fail-safe control based on error signals received from the battery voltage sensor. This DTC is stored if the HV battery is discharged excessively or the hybrid control system malfunctions. HINT: If the HV battery voltage has d
DC/DC Converter Temperature Sensor "A" Circuit Short to Ground (P0C3811,P0C3815,P0C3D11,P0C3D15)
DESCRIPTION The motor generator control ECU (MG ECU) located in the inverter with converter assembly detects the temperature of the boost converter using the temperature sensor built into the boost converter. The motor generator control ECU (MG ECU) detects malfunctions in the boost converter temper
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