Toyota Yaris: When Driving / Brake

Hazard Warning Flasher

The hazard warning lights should always be used when you stop on or near a roadway in an emergency. The hazard warning lights warn other drivers that your vehicle is a traffic hazard and that they must take extreme caution when near it...

Brake System

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Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: System Voltage Circuit Short to Ground or Open (P056014)

MONITOR DESCRIPTION The auxiliary battery supplies electricity to the ECM even when the ignition switch is off. This power allows the ECM to store data such as DTC history, Freeze Frame Data and fuel trim values. If the auxiliary battery voltage falls below a minimum level, the memory is cleared and the ECM determines that there is a malfunction in the power supply circuit...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Fuel Pump Control General Electrical Failure (P12D501)

DESCRIPTION Refer to DTC P062712. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P12D501 Fuel Pump Control General Electrical Failure When the fuel pump control ECU operation duty ratio is 3 to 65%, the fuel pump control ECU detects a short in the fuel pump circuit for 3 seconds or more (1 trip detection logic)...