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Symptom Table

SYSTEM - BASIC ENGINE CONTROL SYSTEM 

  SYMPTOM Reference
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 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     Work Procedure
Fuel injector circuit 1 1 2 3 2   2 2     2     Component Function Check
Evaporative emission system 3 3 4 4 4 4 4 4 4   4     System Description
Air Positive crankcase ventilation system 3 3 4 4 4 4 4 4 4   4 1   Inspection 
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 DescriptionDTC DescriptionDTC Description
Intake manifold runner control circuit       4 4                 DTC DescriptionDTC Description
Ignition Incorrect ignition timing adjustment 3 3 1 1 1   1 1     1     Inspection 
Ignition signal circuit 1 1 2 2 2   2 2     2     Diagnosis Procedure
Main power supply and ground circuit 2 2 3 3 3   3 3   2 3     Diagnosis Procedure
Mass air flow sensor circuit 1 1 2 2 2   2 2     2     DTC Description
Engine coolant temperature sensor circuit 3 3 3       DTC Description
Air fuel ratio (A/F) sensor 1 circuit             DTC DescriptionDTC DescriptionDTC Description
Throttle position sensor circuit     2 2       DTC DescriptionDTC DescriptionDTC DescriptionDTC DescriptionDTC Description
Accelerator pedal position sensor circuit     3 2 1             DTC DescriptionDTC DescriptionDTC Description
Knock sensor circuit     2               3     DTC Description
Engine oil pressure sensor circuit     4   2           3     DTC Description
Crankshaft position sensor circuit 2 2                       DTC Description
Camshaft position sensor circuit 3 2                       DTC Description
Vehicle speed signal circuit   2 3   3           3     -
ECM 2 2 3 3 3 3 3 3 3 3 3     DTC DescriptionDTC DescriptionDTC DescriptionDTC DescriptionDTC Description
Electric intake valve timing control actuator circuit         3                 DTC DescriptionDTC DescriptionDTC Description
Exhaust valve timing control solenoid valve circuit   3 2   1 3 2 2 3   3     DTC DescriptionDTC DescriptionDTC Description
PNP signal circuit     3   3   3 3     3     DTC Description
Refrigerant pressure sensor circuit   2       3     3   4     Diagnosis Procedure
Electrical load signal circuit             3             Diagnosis Procedure
Air conditioner circuit 2 2 3 3 3 3 3 3 3   3   2 Work Flow (Automatic A/C)Work Flow (Manual A/C)
ABS actuator and electric unit (control unit)     4                     Work Flow (With VDC)Work Flow (Without VDC)

1 - 6: The numbers refer to the order of inspection. (continued on next chart)

SYSTEM - ENGINE MECHANICAL and OTHER 

  SYMPTOM Reference
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                       Inspection
Fuel piping 5 5 5 5 5 5 Inspection
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     Removal and Installation
Air cleaner Removal and Installation
Air leakage from air duct (Mass air flow sensor - electric throttle control actuator) 5 5 5 5 Removal and Installation
Electric throttle control actuator Removal and Installation
Air leakage from intake manifold/Collector/Gasket Removal and Installation
Cranking Battery 1 1 1   1   1 1     1   1 Work Flow
Generator circuit Work Flow (With 165-DSS-5000P) , Work Flow (Without 165-DSS-5000P)
Starter circuit 3             Work Flow (With 165-DSS-5000P) , Work Flow (Without 165-DSS-5000P)
Signal plate 6 Exploded View
PNP signal 4 Diagnosis Procedure
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     Removal and Installation
Camshaft Inspection
Intake valve timing control System Description
Intake valve 3 Inspection
Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/Gasket 5 5 5 5 5   5 5     5     Exploded ViewInspection
Three way catalyst
Lubrication Oil pan/Oil strainer/Oil pump/Oil filter/Oil gallery 5 5 5 5 5   5 5     5     Removal and Installation (Lower Oil Pan)Removal and Installation (Upper Oil Pan)InspectionEngine Lubrication SystemRemoval and Installation (Without FFV)
Oil level (Low)/Filthy oil Inspection (Without FFV)
Cooling Radiator/Hose/Radiator filler cap 5 5 5 5 5   5 5   4 5     InspectionInspection
Thermostat 5 Removal and Installation (Without FFV)
Water pump   Removal and Installation (Without FFV)
Water gallery Engine Cooling System
Cooling fan 5 Removal and Installation
Coolant level (Low)/Contaminated coolant Inspection
NATS (NISSAN Vehicle Immobilizer System) 1 1                       Work Flow

1 - 6: The numbers refer to the order of inspection.