11	Crank angle sensor	No reference pulse
12	Starter switch	Continuously in ON or OFF position while cranking
13	Crank angle sensor	No position pulse
14	Fuel iniector (1 & 2 for MPFI only)	Abnormal injector output
15	Fuel iniector 3 and 4 (for MPFI only)	Abnormal injector output
21	Water temperature sensor	Open or shorted circuit
22	Knock sensor	Open or shorted circuit
23	Air flow meter	Open or shorted circuit
24	Air control valve	Open or shorted circuit
31	Throttle sensor	Open or shorted circuit
32	Oxygen sensor	Abnormal sensor signal
33	Car speed sensor	No signal is present during operation
34	Exhaust Gas Recirculation (EGR) solenoid valve	Solenoid switch continuously in ON or OFF position or (California only) clogged EGR line
35	Purge control solenoid valve	Solenoid switch continuously in ON or OFF position
41	System too lean	-
42	Idle switch	Abnormal idle switch signal in relation to throttle sensor output
44	Duty solenoid valve	Wastegate control
45	Kickdown control relay	Continuously in ON or OFF position
51	Neutral switch	Continuously in ON position
55	Exhaust Gas Recirculation (EGR) gas temperature sensor	Open or short circuit (California only)
61	Parking switch	Continuously in ON position