Lexus ES manuals

Lexus ES: System Diagram

SYSTEM DIAGRAM

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 System Description

SYSTEM DESCRIPTION DESCRIPTION (a) The power steering ECU (rack and pinion power steering gear assembly) generates the necessary steering assist torque by calculating the steering assist force and con

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power steering system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT

 Calibration

CALIBRATION TORQUE SENSOR ZERO POINT CALIBRATION (USING TECHSTREAM) NOTICE: Perform torque sensor zero point calibration if any of the following conditions occur: The rack and pinion power steering

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 Drive Motor "A" Temperature Sensor Circuit Short to Ground (P0A2A11,P0A2A15)

DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs are stored when the motor temperature sensor output is abnormal. The cause of this malfunction may be one of the following: Hybrid vehicle control ECU malfunction Hybrid vehicle control ECU internal malfunction Motor temperature sensor malfunctio

 Steering Pad Switch Circuit

DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there is a short in the circuit, the same condition as when a sw

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