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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 Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE FRONT DIFFERENTIAL CASE REAR TAPERED ROLLER BEARING (OUTER RACE) (a) Using SST, remove the front differential case rear tapered roller bearing (outer race) from the automatic transaxle case sub-assembly. SST: 09308-36010 NOTICE: Be careful not to damage the automatic

 Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete (C1ABC)

DESCRIPTION This DTC is stored when a beam axis inspection has not been performed for the blind spot monitor sensor LH. HINT: This DTC is always stored after replacing a blind spot monitor sensor. The purpose of this DTC is to ensure that a beam axis inspection is performed. Completing the beam axis

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