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Symptom Table
 
 
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOMReference page
HARD/NO START/RESTART (EXCP. HA)ENGINE STALLHESITATION/SURGING/FLAT SPOTSPARK KNOCK/DETONATIONLACK OF POWER/POOR ACCELERATIONHIGH IDLE/LOW IDLEROUGH IDLE/HUNTINGIDLING VIBRATIONSLOW/NO RETURN TO IDLEOVERHEATS/WATER TEMPERATURE HIGHEXCESSIVE FUEL CONSUMPTIONEXCESSIVE OIL CONSUMPTIONBATTERY DEAD (UNDER CHARGE)
Warranty symptom codeAAABACADAEAFAGAHAJAKALAMHA
FuelLow pressure fuel pump circuit112322232Component Function Check
Fuel pressure regulator system3344444444Component Function Check
Fuel injector circuit11232222Component Function Check
Fuel rail pressure sensor circuit11222222DTC Description
High pressure fuel pump circuit43DTC Diagnosis Procedure
Evaporative emission system3344444444EVAPORATIVE EMISSION SYSTEM : Inspection
AirPositive crankcase ventilation system33444444441POSITIVE CRANKCASE VENTILATION : Periodic Maintenance
Incorrect idle speed adjustment11111Work Procedure
Electric throttle control actuator11233222222DTC Description DTC Description, DTC Description DTC Description
Intake manifold runner control valve circuit44DTC Description DTC Description
IgnitionIncorrect ignition timing adjustment33111111IGNITION TIMING : Periodic Maintenance
Ignition circuit11222222System Description
EGREGR volume control valve circuit223332233DTC Diagnosis Procedure Diagnosis Procedure
EGR system21DTC Diagnosis Procedure Diagnosis Procedure
DTC Diagnosis Procedure Diagnosis Procedure
Main power supply and ground circuit223333323Diagnosis Procedure DTC Diagnosis Procedure
Mass air flow sensor circuit
1
1222222DTC Description, DTC Description
Intake air temperature sensor circuitDTC Diagnosis Procedure, DTC Diagnosis Procedure
Engine coolant temperature sensor circuit333DTC Description, DTC Description
Air fuel ratio (A/F) sensor 1 circuitDTC Description ,DTC Description , DTC Description , DTC Description , DTC Description
Throttle position sensor circuit22DTC Description , DTC Description , DTC Description , DTC Description , DTC Description
Accelerator pedal position sensor circuit321DTC Description, DTC Description, DTC Description, DTC Description
Heated oxygen sensor 2 circuit66665DTC Description DTC Description , DTC Diagnosis Procedure DTC Diagnosis Procedure , DTC Diagnosis Procedure DTC Diagnosis Procedure
Knock sensor circuit23DTC Description DTC Description
Engine oil temperature sensor circuit423DTC Diagnosis Procedure DTC Diagnosis Procedure , DTC Diagnosis Procedure DTC Diagnosis Procedure
Engine oil pressure sensor circuit443333DTC Diagnosis Procedure DTC Diagnosis Procedure , DTC Diagnosis Procedure DTC Diagnosis Procedure
Crankshaft position sensor circuit22DTC Description DTC Description
Intake camshaft position sensor circuit32DTC Description DTC Description
Vehicle speed signal circuit2333DTC Description DTC Description
ECM22333333333DTC Description , DTC Description
Electric Intake valve timing control module circuit333Diagnosis Procedure DTC Diagnosis Procedure ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description
Electric intake valve timing control actuator circuit3DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description ,
DTC Description DTC Description
Exhaust valve timing intermediate lock control solenoid valve circuitDTC Description DTC Description , DTC Description DTC Description
Exhaust camshaft position sensor circuit55555555DTC Description DTC Description
PNP signal circuit33333InspectionDTC Description
Refrigerant pressure sensor circuit2334InspectionComponent Function Check
Electrical load signal circuit3Component Function Check
Intake manifold runner control valve motor circuit44Inspection
Intake manifold runner control valve position sensor circuit44DTC Description DTC Description
Intake manifold tuning valve circuit1InspectionDTC Description
Air conditioner circuit22333333332Work Flow , Work Flow
ASCD steering switch circuitDTC Diagnosis Procedure
ABS actuator and electric unit (control unit)4Work Flow
1 - 6: The numbers refer to the order of inspection.
(continued on next table)
 
 
SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOMReference page
HARD/NO START/RESTART (EXCP. HA)ENGINE STALLHESITATION/SURGING/FLAT SPOTSPARK KNOCK/DETONATIONLACK OF POWER/POOR ACCELERATIONHIGH IDLE/LOW IDLEROUGH IDLE/HUNTINGIDLING VIBRATIONSLOW/NO RETURN TO IDLEOVERHEATS/WATER TEMPERATURE HIGHEXCESSIVE FUEL CONSUMPTIONEXCESSIVE OIL CONSUMPTIONBATTERY DEAD (UNDER CHARGE)
Warranty symptom codeAAABACADAEAFAGAHAJAKALAMHA
FuelFuel tank55InspectionInspection
Fuel piping555555InspectionInspection
Vapor lock
Valve deposit5555555
Poor fuel (Heavy weight gasoline, Low octane)
AirAir duct555555Exploded View
Air cleaner
Air leakage from air duct
(Mass air flow sensor — electric throttle control actuator)
5555
Electric throttle control actuatorRemoval and Installation
Air leakage from intake manifold/Collector/Gasket
CrankingBattery11111111Work Flow
Generator circuitWork FlowWork Flow (With EXP-800 NI or GR8-1200 NI)(With EXP-800 NI or GR8-1200 NI), Work FlowWork Flow (Without EXP-800 NI or GR8-1200 NI)(Without EXP-800 NI or GR8-1200 NI)
Starter circuit3Work Flow
Signal plate6Inspection
PNP signal4DTC Description
EngineCylinder head55555555Inspection
Cylinder head gasket43
Cylinder block666666664Inspection
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Valve mechanismTiming chain555555553Inspection
CamshaftInspection
Intake valve timing controlInspection
Exhaust valve timing controlInspection
Intake valveInspection
Exhaust valve
ExhaustExhaust manifold/Tube/Muffler/Gasket55555555Inspection , Work FlowInspection
Three way catalyst
EGR volume control valve555555Work FlowComponent Inspection (EGR Volume Control Valve)
EGR cooler555555Work FlowRemoval and Installation
LubricationOil pan/Oil strainer/Oil pump/Oil filter/Oil gallery/Oil cooler55555555Inspection , Removal and InstallationInspection, Removal and InstallationOIL PUMP : Removal & Installation , Engine Lubrication System , Removal and InstallationInspection
Oil level (Low)/Filthy oilInspection
CoolingRadiator/Hose/Radiator filler cap555555545Removal and InstallationInspection
Thermostat5Removal and InstallationInspection
Water pumpRemoval and InstallationInspection
Water galleryEngine Cooling System
Cooling fan5InspectionInspection
Coolant level (Low)/Contaminated coolantRemoval and InstallationInspection
NVIS (Mitsubishi Motors Vehicle Immobilizer System — NATS)11Work Flow
1 - 6: The numbers refer to the order of inspection.