Lexus ES: Diagnostic Trouble Code Chart
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Wiper / Washer / Wiper And Washer System (for Gasoline Model) / 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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On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Before cleaning, or after cleaning the throttle body with motor assembly and installing it to the vehicle, turn the engine switch on (IG) without operating the accelerator pedal sensor assembly. NOTICE: If the accelerat
Terminals Of Ecu
TERMINALS OF ECU *1 Inverter with Converter Assembly HINT: Since the inverter with converter assembly uses waterproof connectors, the voltage and waveforms cannot be inspected directly. Standard voltage readings and waveforms are indicated for reference only. Inverter with Converter Assembl
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