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1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM ES–291 ES DESCRIPTION The throttle actuator is operated by the ECM, and opens and closes the throttle valve using gears. The MONITOR DESCRIPTION The ECM determines that there is a malfunction in the ETCS when the throttle valve remains at a fixed MONITOR STRATEGY TYPICAL ENABLING CONDITIONS ALL: P2111 (Throttle actuator stuck open): P2112 (Throttle actuator stuck closed): DTC P2111 Throttle Actuator Control System - Stuck Open DTC P2112 Throttle Actuator Control System - Stuck DTC No. DTC Detection Conditions Trouble Areas P2111 ECM signals throttle actuator to close, but stuck (1 trip • Throttle actuator • Throttle body assembly • Throttle valve P2112 ECM signals throttle actuator to open, but stuck (1 trip Related DTCs P2111: Throttle actuator stuck open Required Sensors/Components (Main) Throttle actuator Required Sensors/Components (Related) - Frequency of Operation Continuous Duration 0.5 seconds MIL Operation Immediate Sequence of Operation None Monitor runs whenever following DTCs not present None All of following conditions met - System guard * ON Throttle motor current 2 A or more Throttle motor close duty 80 % or more All of following conditions met - System guard * ON Throttle motor current 2 A or more Throttle motor open duty 80 % or more * System guard set when following conditions met - |