Lexus ES manuals

Lexus ES: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Diagnostic Trouble Codes (DTCs) for the telematics system can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to repair it.

CHECK DLC3

(a) Check the DLC3.

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 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Telematics System DTC No. Detection Item Link U014087 Lost Communication with Body Control Module Missing Message U015587 Lost Communication with

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Telematics / Trouble

 How To Proceed With Troubleshooting

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

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 Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure (P0AA649,P1C7C49-P1C7F49)

DESCRIPTION The hybrid vehicle control ECU monitors the battery ECU assembly and detects insulation malfunctions in the high-voltage system. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0AA649 Hybrid/EV Battery Voltage System Insulation Resista

 Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZING WITH REMOTE TOUCH (a) Customizing with the touch function cancellation function. (w/ Touch Function Cancellation Function) NOTICE: Confirm the touchpad surface is free of foreign matter before customizing. (1) Turn the engine switch on (ACC). (2) Simultaneously press

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