Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Wiper and Washer System

DTC No.	Detection Item	DTC Output from
B1245	Lost Communication with Wiper ECU LIN	Main body ECU (multiplex network body ECU)
B1370	ECU Malfunction	Windshield wiper motor assembly
B1372	Wiper Switch Signal Mismatch between LIN and Line	Windshield wiper motor assembly
B1373	Lost Communication with Wiper System LIN BUS	Main body ECU (multiplex network body ECU)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Shut Down Signal Circuit
DESCRIPTION The cause of the malfunction may be a shutdown signal. Check whether there is a shutdown signal +B short circuit. Related Parts Check Area Inspection HSDN terminal Check that the HSDN terminal voltage decreases to check for an open or short circuit while READY off (IG ON). Hybrid vehicle ...

Toyota Avalon (XX50) 2019-2022 Owners Manual