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
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Components
COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 COURTESY LIGHT ASSEMBLY *2 FRONT DOOR ILLUMINATION LIGHT (FRONT DOOR OUTSIDE HANDLE ASSEMBLY) *3 FRONT DOOR SERVICE HOLE COVER *4 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *5 MULTIPLEX NETWORK MAST
EPB Switch Malfunction (C13B4)
DESCRIPTION When the electric parking brake switch is pushed, a lock request signal is sent from the parking brake ECU (brake actuator assembly) to the parking brake actuator assembly. When the electric parking brake switch is pulled, a release request signal is sent from the parking brake ECU (brak
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