Faulty Top Dead Center Sensor 1
Top Dead Center Sensor 1 harness is open or shorted
Top Dead Center Sensor 1 circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
Poor engine performance
The Crankshaft Position (CKP) Sensor determines timing for fuel injection and ignition of each cylinder and also detects engine speed. The Top Dead Center (TDC) Sensor determines ignition timing at start-up (cranking) and when crank angle is abnormal. Cylinder Position (CYP) Sensor detects the position of No. 1 cylinder for sequential fuel injection to each cylinder.