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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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
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
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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FREEZE FRAME DATA CHECK FREEZE FRAME DATA HINT: Whenever an active noise control system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL HEADLIGHT GASKET (a) Install a new headlight gasket. 2. INSTALL HEADLIGHT ECU SUB-ASSEMBLY NOTICE: If the headlight ECU sub-assembly
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