Lexus ES manuals

Lexus ES: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Diagnostic Trouble Code Chart

DTC No.

Detection Item

Trouble Area

Link

B1003

ECU Malfunction

Central gateway ECU (network gateway ECU)

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 Data List / Active Test

DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faul

 Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate. The fail-safe function that is specified for ea

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK FOR 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 / Central Gateway

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 High Voltage Power Resource Circuit Voltage Sensor after Boosting Malfunction (P1C8349)

DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU monitors the high-voltage wiring between the HV battery and inverter with converter assembly and detects a power supply malfunction. The cause of this malfunction may be one of the following: Inverter voltage sensor (VH) internal ci

 Inspection

INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY *a Component without harness connected (Windshield Washer Motor and Pump Assembly) (a) Remove the washer jar. (b) Disconnect the windshield washer motor and pump assembly connector. HINT: This check should be performe

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