4-12 FI SYSTEM DIAGNOSIS FI SYSTEM PARTS LOCATION ECM PLE SAM A Intake air temperature sensor (IATS) B Throttle position sensor (TPS) C Secondary throttle position sensor (STPS) D Secondary throttle valve actuator (STVA) E Exhaust control valve actuator (EXCVA) F Fuel pump relay (FP RELAY) G Fuel pump (FP) H Crankshaft position sensor (CKPS)