Diagnostic Trouble Code Chart [09/2015 - ]

WIPER AND WASHER SYSTEM

DTC No.	Detection Item	DTC Detection Condition	Link
B1245	Lost Communication with Wiper ECU LIN	When the battery voltage is 9.5 V or more, a communication malfunction between the main body ECU (multiplex network body ECU) and windshield wiper motor and link assembly (wiper ECU) is detected for 10 seconds or more	Refer to DTC B1245: Lost Communication with Wiper ECU LIN [09/2015 - ]
B1278	Lost Communication with Combination Switch ECU	When the battery voltage is 9.5 V or more, a communication malfunction between the main body ECU (multiplex network body ECU) and windshield wiper switch assembly is detected for 10 seconds or more.	Refer to DTC B1278: Lost Communication with Combination Switch ECU [09/2015 - ]
B1279	Lost Communication with Humidity/Rain Sensor LIN	When the battery voltage is 9.5 V or more, a communication malfunction between the main body ECU (multiplex network body ECU) and rain sensor is detected for 10 seconds or more.	Refer to DTC B1279: Lost Communication with Humidity/Rain Sensor LIN [09/2015 - ]
B1370	ECU Malfunction	When the battery voltage is 9.5 V or more, a malfunction is detected for 10 seconds or more during the wiper ECU self-check.	Refer to DTC B1370: ECU Malfunction [09/2015 - ]
B1372	Wiper Switch Signal Mismatch between LIN and Line	When the battery voltage is 9.5 V or more, the operation signals sent via LIN communication and direct line do not match for 10 seconds or more.	Refer to DTC B1372: Wiper Switch Signal Mismatch between LIN and Line [09/2015 - ]
B1373	Lost Communication with Wiper System LIN BUS	When the battery voltage is 9.5 V or more, a malfunction in the communication or LIN communication line between the main body ECU (multiplex network body ECU) and components of the wiper system occurs for 7 seconds or more 3 times consecutively.	Refer to DTC B1373: Lost Communication with Wiper System LIN BUS [09/2015 - ]
B1400	Rain Sensor Malfunction	When the battery voltage is 9.5 V or more, the rain sensor temperature is abnormal for 10 seconds or more. When the battery voltage is 9.5 V or more, the output of the LED built into the rain sensor is abnormal for 2 seconds or more.	Refer to DTC B1400: Rain Sensor Malfunction [09/2015 - ]