Toyota Yaris: Can Communication System / Utility

Toyota Yaris XP210 (2020-2025) 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 (2020-2025) Reapir and Service Manual: Stop Light Relay Actuator Stuck (C142571)

DESCRIPTION The stop light switch and skid control ECU (brake actuator assembly) output stop light signals. If the skid control ECU (brake actuator assembly) detects a malfunction in circuits related to the stop light, it informs the millimeter wave radar sensor assembly via CAN communication, and DTC C142571 is stored...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Starter Circuit Stuck On (P16449E)

DESCRIPTION The engine stop and start ECU detects abnormalities in the DI (+B) value that is input from the integrated IC (stop and start backup boost converter integrated IC) to the CPU. If a logical inconsistency occurs between the +B value and DI (+B) value input to the CPU, the engine stop and start ECU stores DTC P16449E and blinks the stop and start cancel indicator...