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Home >> Nissan-Datsun >> 2016 >> Sentra SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Symptom Diagnosis & Removal And Installation) >> Symptom Diagnosis >> Engine Control System >> Symptom Table >> System - Basic Engine Control System
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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   POSITIVE CRANKCASE VENTILATION
Incorrect idle speed adjustment       1 1 1 1   1     INSPECTION 
Electric throttle control actuator 1 1 2 3 3 2 2 2 2   2   2 DTC LOGIC , DIAGNOSIS PROCEDURE , DIAGNOSIS PROCEDURE
Ignition Incorrect ignition timing adjustment 3 3 1 1 1   1 1     1     INSPECTION 
Ignition circuit 1 1 2 2 2   2 2     2     COMPONENT FUNCTION CHECK
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     DIAGNOSIS PROCEDURE
Engine coolant temperature sensor circuit 3 3 3       DIAGNOSIS PROCEDURE
Air fuel ratio (A/F) sensor 1 circuit             DTC LOGIC , DTC LOGIC , DTC LOGIC
Throttle position sensor circuit     2 2       DTC LOGIC , DTC LOGIC , DTC LOGIC , DIAGNOSIS PROCEDURE
Accelerator pedal position sensor circuit     3 2 1             DIAGNOSIS PROCEDURE , DTC LOGIC , DTC LOGIC
Knock sensor circuit     2               3     DTC LOGIC
Crankshaft position sensor (POS) circuit 2 2                       DTC LOGIC
Camshaft position sensor (PHASE) circuit 3 2                       DTC LOGIC
Vehicle speed signal circuit   2 3   3           3     DESCRIPTION (CVT models), DTC LOGIC (M/T models)
ECM 2 2 3 3 3 3 3 3 3 3 3     DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC
Intake valve timing control solenoid valve circuit   3 2   1 3 2 2 3   3     DTC LOGIC
Exhaust valve timing control solenoid valve circuit   3 2   1 3 2 2 3   3     DTC LOGIC
Exhaust valve timing control position sensor circuit   3 2   1 3 2 2 3   3     DTC LOGIC
PNP signal circuit     3   3   3 3     3     DTC LOGIC
Refrigerant pressure sensor circuit   2       3     3   4     COMPONENT FUNCTION CHECK
Battery current sensor circuit           4 5 5         3 DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC
Starter relay circuit 3                         DTC LOGIC , DTC LOGIC
Starter control relay circuit 3                         DTC LOGIC , DTC LOGIC
Electrical load signal circuit             3             COMPONENT FUNCTION CHECK
Intake manifold runner control valve motor circuit         4 4               DTC LOGIC
Intake manifold runner control valve position sensor circuit         4 4               DTC LOGIC
Intake manifold tuning valve circuit         1                 DTC LOGIC
Air conditioner circuit 2 2 3 3 3 3 3 3 3   3   2 WORK FLOW (Auto A/C), WORK FLOW (Manual air conditioning)
ABS actuator and electric unit (control unit)     4                     WORK FLOW

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

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