Toyota Corolla Cross: ADAS & AD

 Catalyst System Efficiency Below Threshold Bank 1 (P042000)

MONITOR DESCRIPTION The ECM uses air fuel ratio sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air fuel ratio sensor (sensor 1), sends pre-catalyst information to the ECM. The second sensor, the air fuel ratio sensor

 Engine Oil Temperature Sensor Circuit Short to Ground (P019511)

DESCRIPTION The engine oil temperature sensor replaces the oil temperature with electrical signals and outputs them to the ECM. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P019511 Engine Oil Temperature Sensor Circuit Short to Ground