Lexus ES: System Diagram
SYSTEM DIAGRAM
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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 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 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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ComponentsCOMPONENTS ILLUSTRATION *1 DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) - - RemovalREMOVAL PROCEDURE 1. REMOVE DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) Click here InspectionINSPECTION PROCEDURE 1. INSPECT DRIVE MODE SELECT SWITCH (COMBINATION SWITC
DESCRIPTION The D-4S system has two injection systems. One is an in-cylinder direct injection system that directly injects pressurized fuel into the combustion chamber. The other is an intake port injection system. The ECM determines the percentage of direct injection and port injection necessary in
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