| 
				
				Code | 
				
				Detected
            Item | 
				
				Malfunction
            detected when   | 
				
				Check
            Item | 
			
				| 
				11*
				 | 
				Crank
            angle sensor circuit  | 
				Either
            1 or 180 signal is not entered for the firs few seconds during
            engine cranking.Either 1 or 180 signal is not input often enough while the engine
            speed is higher than the specified rpm.
 | 
				Harness
            and connector (If harness and connector are normal, replace crank
            angle sensor)
				 | 
			
				| 
				12
				 | 
				Air
            flow meter circuit  | 
				The
            air flow meter circuit is open or shorted. An abnormally high or low
            voltage is entered.
				 | 
				Harness
            and connector (If harness and connector are normal, replace air flow
            meter)
				 | 
			
				| 
				13
				 | 
				Engine
            temperature sensor circuit  | 
				The
            engine temperature sensor circuit is open or shorted. An abnormally
            higher or low output voltage is entered.
				 | 
				Harness
            and connector Engine temperature sensor
 | 
			
				| 
				14
				 | 
				Vehicle
            speed sensor circuit  | 
				The
            vehicle speed sensor circuit is open or shorted.
				 | 
				Harness
            and connector Vehicle speed sensor (reed switch)
				 | 
			
				| 
				21*
				 | 
				Ignition
            signal circuit  | 
				The
            ignition signal in the primary circuit is not entered during engine
            cranking or running.
				 | 
				Harness
            and connector Power transistor unit
 | 
			
				| 
				31
				 | 
				ECU
				 | 
				ECU
            calculation function is malfunctioning.
				 | 
				Replace
            ECCS Control Unit (ECU)
				 | 
			
				| 
				32
				 | 
				EGR
            function  | 
				EGR
            control valve does not operate. EGR control valve spring does not
            lift.
				 | 
				EGR
            Control Valve *EGR & Canister control solenoid valve
				 | 
			
				| 
				33
				 | 
				Exhaust
            gas temperature sensor circuit  | 
				The
            exhaust gas sensor circuit is open or shorted.  An abnormally
            high or low output voltage is entered.
				 | 
				Harness
            and connector Exhaust gas sensor
 Fuel Pressure
 Injectors
 Intake air leaks
 | 
			
				| 
				35
				 | 
				Exhaust
            gas temperature sensor circuit  | 
				The
            exhaust gas temperature sensor circuit is open or shorted.An
            abnormally high or low voltage is entered. 
				 | 
				Harness
            and connector Exhaust gas temperature sensor
 | 
			
				| 
				43
				 | 
				Throttle
            sensor circuit  | 
				The
            throttle sensor circuit is open or shorted. An abnormally high or
            low voltage is entered.
				 | 
				Harness
            and connector Throttle sensor
 | 
			
				| 
				45
				 | 
				Injector
            leak  | 
				Fuel
            leaks from injector.
				 | 
				Injector
            	 | 
			
				| 
				55
				 | 
				No
            malfunction in the above circuits  | 
				 
				 | 
				 
				 |