Toyota Yaris: Cxpi Communication System / Diagnostic Trouble Code Chart

Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

Power Integration No.1 System Missing Message (B235287,B235587,B235787-B235987)

DESCRIPTION This DTC is stored when CXPI communication between the semiconductor power integration ECU, power distribution box assembly, windshield wiper relay assembly or light control LED ECU and main body ECU (multiplex network body ECU) stops for 10 seconds or more...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U012687,U012987,U013187,U014087,U015187,U015587,U016487,U117087)

DESCRIPTION The engine stop and start ECU communicates with the SFI system, electronically controlled brake system, power steering system, air conditioning system, airbag system and main body ECU (multiplex network body ECU) via CAN communication. If there is a communication error between the engine stop and start ECU and any of the systems, the engine stop and start ECU stores DTCs and illuminates the stop and start cancel indicator except when there is a communication error with the meter / gauge system...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu

TERMINALS OF ECU NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal. Click here When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used...