Toyota Yaris: Can Communication System / Utility

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Power Source & Network / Networking / Can Communication System / Utility

UTILITY

INITIALIZE THE CONNECTION INFORMATION OF A GATEWAY FUNCTION EQUIPPED ECU (BUS MONITOR ECU)

(a) Initialize the ECU.

Body Electrical > Central Gateway > Utility

Tester Display
Initialization

Body Electrical > Main Body > Utility

Tester Display
Initialization

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT NOTICE: Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output...

Terminals Of Ecu

TERMINALS OF ECU NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal...

Other information:

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U010187,U012687,U012987,U015587)

DESCRIPTION The following DTCs are stored when there is a communication malfunction between the millimeter wave radar sensor and each sensor or ECU. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication with ECM/PCM "A" Missing Message When the ignition switch is ON for 3 seconds or more, an ECM communication malfunction continues for approximately 3 seconds or more...

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Reassembly

REASSEMBLY CAUTION / NOTICE / HINT NOTICE: When removing and installing the combination meter glass, make sure not to touch the display panel. Do not allow any dirt (fingerprints, grease, etc.) to adhere to the combination meter glass. If the glass is dirty, wipe it clean with a soft cloth...