Toyota Yaris: Power Source & Network / Power Distribution

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Power Source & Network / Power Distribution


INSTALLATION CAUTION / NOTICE / HINT NOTICE: After performing the update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal...

Integration Relay


Other information:

Toyota Yaris XP210 (2020-2024) Owner's Manual: Contact Your Toyota Dealer and Have Vehicle Inspected

If any of the following warning lights turns on/flashes, the system may have a malfunction. Contact your Toyota dealer to have your vehicle inspected. ABS Warning Light When the engine is jump-started to charge the battery, uneven rpm occurs and the ABS warning light may illuminate...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U010487,U012287)

DESCRIPTION The ECM communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U010087 Lost Communication with ECM/PCM "A" Missing Message When the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake actuator assembly) and ECM is detected for approximately 1 second or more...


Front Seat Belt Pretensioners

The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.

In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.

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