Lexus ES manuals

Lexus ES: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Wiper and Washer System

DTC No.

Detection Item

DTC Output from

Link

B1245

Lost Communication with Wiper ECU LIN

Main Body

B1279

Lost Communication with Humidity/Rain Sensor LIN

Main Body

B1370

ECU Malfunction

Windshield wiper motor assembly

B1372

Wiper Switch Signal Mismatch between LIN and Line

Wiper

B1373

Lost Communication with Wiper System LIN BUS

Main Body

B1400

Rain Sensor Malfunction

Rain sensor

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 Lost Communication with Wiper ECU LIN (B1245)

DESCRIPTION The main body ECU (multiplex network body ECU) and windshield wiper motor assembly communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if comm

 Lost Communication with Humidity/Rain Sensor LIN (B1279)

DESCRIPTION The main body ECU (multiplex network body ECU) and rain sensor communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes ab

 ECU Malfunction (B1370)

DESCRIPTION This DTC is stored when the windshield wiper motor assembly detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC Output from

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 Inspection

INSPECTION PROCEDURE 1. INSPECT DIRECT FUEL INJECTOR ASSEMBLY NOTICE: This inspection is for checking the direct fuel injector assembly for an open or short. Because the direct fuel injector assembly of this vehicle is a high-pressure type, fuel injection volume cannot be checked. (a) Measure the

 Evaporative Emission System Incorrect Purge Flow Actuator Stuck On (P04417E,P04417F,P04419C)

DTC SUMMARY DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P04417E Evaporative Emission System Incorrect Purge Flow Actuator Stuck On The stabilized EVAP system pressure is higher than [second reference pressure x 0.2] and the purge VSV is judged a

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