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 (2020-2026) Reapir and Service Manual: Relay

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT HORN RELAY ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher 3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω If the result is not as specified, replace the horn relay assembly...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: ECU Internal Error (P164400)

DESCRIPTION If a malfunction is detected in the starter circuit, the engine stop and start ECU stores DTC P164400 and blinks the stop and start cancel indicator. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory Note P164400 ECU Internal Error Both of the following conditions are met for 0...