Lexus ES manuals

Lexus ES: Diagnosis System

DIAGNOSIS SYSTEM

CHECK DLC3

(a) Check the DLC3.

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CHECK WARNING LIGHT

(a) When a problem occurs in the power steering system, the EPS warning light in the combination meter assembly comes on to inform the driver of the problem.

*a

EPS Warning Light

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 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTCs (USING TECHSTREAM) (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the foll

 Fail-safe Chart

FAIL-SAFE CHART If a problem occurs in the power steering system, the power steering assist will be stopped or the amount of power assist will be decreased to protect the system. Power Steering System

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA NOTICE: It is difficult to show the specified values (judgment values) clearly because freeze frame data values change significantly due to differences in measur

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 Lost Communication with Image Processing Sensor B (U0266-U0268)

DESCRIPTION These DTCs are stored when communication between the parking assist ECU and front television camera assembly, side television camera assembly LH, side television camera RH is not possible. DTC No. Detection Item DTC Detection Condition Trouble Area U0266 Lost Communication

 Terminals Of Ecu

TERMINALS OF ECU HEATED STEERING WHEEL CONTROLLER (STEERING VIBRATION ECU) (a) Measure the voltage or resistance according to the value(s) in the table below. HINT: Perform the inspection from the harness side with the connectors connected. Terminal No. (Symbol) Terminal Description Conditio

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