Lexus ES: System Diagram
SYSTEM DIAGRAM
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CAUTION / NOTICE / HINT HINT:
*: Use the Techstream
Use the following procedure to troubleshoot the motor generator control system.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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UTILITY ALL READINESS HINT:
With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream.
Check "All Readiness" after simulating malfunction symp
TERMINALS OF ECU *1 Inverter with Converter Assembly HINT: Since the inverter with converter assembly uses waterproof connectors, the voltage and waveforms cannot be inspected directly. Stand
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DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that a large current flowed through the motor inverter. The cause of this malfunction may be one of the following: Area Main Malfunction Description Hybrid vehicle transaxle assembly
Open or short circuit in the motor coils
Motor
REASSEMBLY PROCEDURE 1. INSTALL FUEL PUMP WITH FILTER ASSEMBLY HINT: Perform "Inspection After Repair" after replacing the fuel pump with filter assembly. Click here (a) Apply gasoline to a new O-ring. Then install the O-ring and fuel pump spacer to the fuel pump. *1 O-ring
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