Toyota Yaris: Warning/Indicator Lights and Warning Sounds / Message Indicated on Display

Taking Action

Take the appropriate action and verify that the warning light turns off. KEY Warning Light Take the appropriate action and verify that the warning light turns off...

Stop Vehicle in Safe Place Immediately

If the following messages are displayed in the center display, a vehicle system may be malfunctioning. Stop the vehicle in a safe place and contact your Toyota dealer...

Other information:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Engine Immobiliser System Circuit Short to Battery (B279A12)

DESCRIPTION If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high, the ECM will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 Engine Immobiliser System Circuit Short to Battery The communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Inspection

INSPECTION PROCEDURE 1. INSPECT REVERSE IDLER GEAR THRUST CLEARANCE (a) Using a feeler gauge, measure the reverse idler gear thrust clearance. Standard Clearance: 0.40 to 1.05 mm (0.0157 to 0.0413 in.) Maximum Clearance: 1.05 mm (0.0413 in.) If the clearance exceeds the maximum, replace the reverse idler gear, needle roller bearing, and reverse idler gear shaft...