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| SYMPTOM | Reference page | ||||||||||||||
| HARD/NO START/RESTART (EXCP. HA) | ENGINE STALL | HESITATION/SURGING/FLAT SPOT | SPARK KNOCK/DETONATION | LACK OF POWER/POOR ACCELERATION | HIGH IDLE/LOW IDLE | ROUGH IDLE/HUNTING | IDLING VIBRATION | SLOW/NO RETURN TO IDLE | OVERHEATS/WATER TEMPERATURE HIGH | EXCESSIVE FUEL CONSUMPTION | EXCESSIVE OIL CONSUMPTION | BATTERY DEAD (UNDER CHARGE) | |||
| Warranty symptom code | AA | AB | AC | AD | AE | AF | AG | AH | AJ | AK | AL | AM | HA | ||
| Fuel | Low pressure fuel pump circuit | 1 | 1 | 2 | 3 | 2 | 2 | 2 | 3 | 2 | Component Function Check | ||||
| Fuel pressure regulator system | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | Component Function Check | ||||
| Fuel injector circuit | 1 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | Component Function Check | ||||||
| Fuel rail pressure sensor circuit | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | DTC Description | ||||||
| High pressure fuel pump circuit | 4 | 3 | DTC Diagnosis Procedure | ||||||||||||
| Evaporative emission system | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | EVAPORATIVE EMISSION SYSTEM : Inspection | ||||
| Air | Positive crankcase ventilation system | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | POSITIVE CRANKCASE VENTILATION : Periodic Maintenance | ||
| Incorrect idle speed adjustment | 1 | 1 | 1 | 1 | 1 | Work Procedure | |||||||||
| Electric throttle control actuator | 1 | 1 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | DTC Description DTC Description, DTC Description DTC Description | |||
| Intake manifold runner control valve circuit | 4 | 4 | DTC Description DTC Description | ||||||||||||
| Ignition | Incorrect ignition timing adjustment | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | IGNITION TIMING : Periodic Maintenance | |||||
| Ignition circuit | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | System Description | ||||||
| EGR | EGR volume control valve circuit | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | DTC Diagnosis Procedure Diagnosis Procedure | ||||
| EGR system | 2 | 1 | DTC Diagnosis Procedure Diagnosis Procedure DTC Diagnosis Procedure Diagnosis Procedure | ||||||||||||
| Main power supply and ground circuit | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | Diagnosis Procedure DTC Diagnosis Procedure | |||||
| Mass air flow sensor circuit | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | DTC Description, DTC Description | ||||||
| Intake air temperature sensor circuit | DTC Diagnosis Procedure, DTC Diagnosis Procedure | ||||||||||||||
| Engine coolant temperature sensor circuit | 3 | 3 | 3 | DTC Description, DTC Description | |||||||||||
| Air fuel ratio (A/F) sensor 1 circuit | DTC Description ,DTC Description , DTC Description , DTC Description , DTC Description | ||||||||||||||
| Throttle position sensor circuit | 2 | 2 | DTC Description , DTC Description , DTC Description , DTC Description , DTC Description | ||||||||||||
| Accelerator pedal position sensor circuit | 3 | 2 | 1 | DTC Description, DTC Description, DTC Description, DTC Description | |||||||||||
| Heated oxygen sensor 2 circuit | 6 | 6 | 6 | 6 | 5 | DTC Description DTC Description , DTC Diagnosis Procedure DTC Diagnosis Procedure , DTC Diagnosis Procedure DTC Diagnosis Procedure | |||||||||
| Knock sensor circuit | 2 | 3 | DTC Description DTC Description | ||||||||||||
| Engine oil temperature sensor circuit | 4 | 2 | 3 | DTC Diagnosis Procedure DTC Diagnosis Procedure , DTC Diagnosis Procedure DTC Diagnosis Procedure | |||||||||||
| Engine oil pressure sensor circuit | 4 | 4 | 3 | 3 | 3 | 3 | DTC Diagnosis Procedure DTC Diagnosis Procedure , DTC Diagnosis Procedure DTC Diagnosis Procedure | ||||||||
| Crankshaft position sensor circuit | 2 | 2 | DTC Description DTC Description | ||||||||||||
| Intake camshaft position sensor circuit | 3 | 2 | DTC Description DTC Description | ||||||||||||
| Vehicle speed signal circuit | 2 | 3 | 3 | 3 | DTC Description DTC Description | ||||||||||
| ECM | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | DTC Description , DTC Description | |||
| Electric Intake valve timing control module circuit | 3 | 3 | 3 | Diagnosis 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 circuit | 3 | DTC Description DTC Description , DTC Description DTC Description ,DTC Description DTC Description ,DTC Description DTC Description | |||||||||||||
| Exhaust valve timing intermediate lock control solenoid valve circuit | DTC Description DTC Description , DTC Description DTC Description | ||||||||||||||
| Exhaust camshaft position sensor circuit | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | DTC Description DTC Description | ||||||
| Exhaust gas temperature sensor | 5 | DTC Description, DTC Description, DTC Description, DTC Description | |||||||||||||
| PNP signal circuit | 3 | 3 | 3 | 3 | 3 | InspectionDTC Description | |||||||||
| Refrigerant pressure sensor circuit | 2 | 3 | 3 | 4 | InspectionComponent Function Check | ||||||||||
| Electrical load signal circuit | 3 | Component Function Check | |||||||||||||
| Intake manifold runner control valve motor circuit | 4 | 4 | Inspection | ||||||||||||
| Intake manifold runner control valve position sensor circuit | 4 | 4 | DTC Description DTC Description | ||||||||||||
| Intake manifold tuning valve circuit | 1 | InspectionDTC Description | |||||||||||||
| Air conditioner circuit | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | Work Flow , Work Flow | |||
| ASCD steering switch circuit | DTC Diagnosis Procedure | ||||||||||||||
| ABS actuator and electric unit (control unit) | 4 | Work Flow | |||||||||||||
| SYMPTOM | Reference page | ||||||||||||||
| HARD/NO START/RESTART (EXCP. HA) | ENGINE STALL | HESITATION/SURGING/FLAT SPOT | SPARK KNOCK/DETONATION | LACK OF POWER/POOR ACCELERATION | HIGH IDLE/LOW IDLE | ROUGH IDLE/HUNTING | IDLING VIBRATION | SLOW/NO RETURN TO IDLE | OVERHEATS/WATER TEMPERATURE HIGH | EXCESSIVE FUEL CONSUMPTION | EXCESSIVE OIL CONSUMPTION | BATTERY DEAD (UNDER CHARGE) | |||
| Warranty symptom code | AA | AB | AC | AD | AE | AF | AG | AH | AJ | AK | AL | AM | HA | ||
| Fuel | Fuel tank | 5 | 5 | InspectionInspection | |||||||||||
| Fuel piping | 5 | 5 | 5 | 5 | 5 | 5 | InspectionInspection | ||||||||
| Vapor lock | — | ||||||||||||||
| Valve deposit | 5 | 5 | 5 | 5 | 5 | 5 | 5 | — | |||||||
| Poor fuel (Heavy weight gasoline, Low octane) | — | ||||||||||||||
| Air | Air duct | 5 | 5 | 5 | 5 | 5 | 5 | Exploded View | |||||||
| Air cleaner | |||||||||||||||
| Air leakage from air duct (Mass air flow sensor — electric throttle control actuator) | 5 | 5 | 5 | 5 | |||||||||||
| Electric throttle control actuator | Removal and Installation | ||||||||||||||
| Air leakage from intake manifold/Collector/Gasket | |||||||||||||||
| Cranking | Battery | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | Work Flow | |||||
| Generator circuit | Work Flow Work Flow (With EXP-800 NI or GR8-1200 NI) (With EXP-800 NI or GR8-1200 NI), Work Flow Work Flow (Without EXP-800 NI or GR8-1200 NI) (Without EXP-800 NI or GR8-1200 NI) | ||||||||||||||
| Starter circuit | 3 | Work Flow | |||||||||||||
| Signal plate | 6 | Inspection | |||||||||||||
| PNP signal | 4 | DTC Description | |||||||||||||
| Engine | Cylinder head | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | Inspection | |||||
| Cylinder head gasket | 4 | 3 | |||||||||||||
| Cylinder block | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | Inspection | |||||
| Piston | |||||||||||||||
| Piston ring | |||||||||||||||
| Connecting rod | |||||||||||||||
| Bearing | |||||||||||||||
| Crankshaft | |||||||||||||||
| Valve mechanism | Timing chain | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | Inspection | ||||
| Camshaft | Inspection | ||||||||||||||
| Intake valve timing control | Inspection | ||||||||||||||
| Exhaust valve timing control | Inspection | ||||||||||||||
| Intake valve | Inspection | ||||||||||||||
| Exhaust valve | |||||||||||||||
| Exhaust | Exhaust manifold/Tube/Muffler/Gasket | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | Inspection , Work FlowInspection | |||||
| Three way catalyst | |||||||||||||||
| EGR volume control valve | 5 | 5 | 5 | 5 | 5 | 5 | Work FlowComponent Inspection (EGR Volume Control Valve) | ||||||||
| EGR cooler | 5 | 5 | 5 | 5 | 5 | 5 | Work FlowRemoval and Installation | ||||||||
| Lubrication | Oil pan/Oil strainer/Oil pump/Oil filter/Oil gallery/Oil cooler | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | Inspection , Removal and InstallationInspection, Removal and InstallationOIL PUMP : Removal & Installation , Engine Lubrication System , Removal and InstallationInspection | |||||
| Oil level (Low)/Filthy oil | Inspection | ||||||||||||||
| Cooling | Radiator/Hose/Radiator filler cap | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 5 | Removal and InstallationInspection | ||||
| Thermostat | 5 | Removal and InstallationInspection | |||||||||||||
| Water pump | Removal and InstallationInspection | ||||||||||||||
| Water gallery | Engine Cooling System | ||||||||||||||
| Cooling fan | 5 | InspectionInspection | |||||||||||||
| Coolant level (Low)/Contaminated coolant | Removal and InstallationInspection | ||||||||||||||
| NVIS (Mitsubishi Motors Vehicle Immobilizer System — NATS) | 1 | 1 | Work Flow | ||||||||||||