Lexus ES manuals

Lexus ES: Introduction

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 How To Troubleshoot Ecu Controlled Systems

 General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of

 Electronic Circuit Inspection Procedure

ELECTRONIC CIRCUIT INSPECTION PROCEDURE BASIC INSPECTION (a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS (1) Unless otherwise stated, all resistance measurements are standard values measured at

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 ECM Communication (C124A00)

DESCRIPTION If the vehicle information stored by the skid control ECU (brake actuator assembly) does not match that sent from the ECM or a new skid control ECU (brake actuator assembly) is installed and the vehicle information has not been stored, this DTC is stored. DTC No. Detection Item DT

 Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)

DESCRIPTION Depending on the malfunction, the skid control ECU (brake booster with master cylinder assembly) prohibits operation of the electronically controlled brake system to protect components and prevent incorrect operation when DTCs are stored. If the switching solenoid is disabled due to proh

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