System - Basic Engine Control System

2015 Nissan-Datsun Juke SL, 4WDSECTION 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 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     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     INSPECTION 
FRP Sensor Circuit 1 1 2 2 2   2 2     2     DTC LOGIC
High Pressure Fuel Pump Circuit     4   3                 COMPONENT FUNCTION CHECK 
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     INSPECTION 
Electric Throttle Control Actuator 1 1 2 3 3 2 2 2 2   2   2 DTC LOGIC , DTC LOGIC
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     DTC LOGIC
Engine Coolant Temperature Sensor Circuit 3 3 3       DTC LOGIC
Air Fuel Ratio (A/F) Sensor 1 Circuit             DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC DESCRIPTION
Throttle Position Sensor Circuit     2 2       DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC
Accelerator Pedal Position Sensor Circuit     3 2 1             DTC LOGIC , DTC LOGIC , DTC LOGIC
Heated Oxygen Sensor 2 Circuit     6   6   6 6     5     DTC LOGIC , DTC LOGIC , DTC LOGIC
Knock Sensor Circuit     2               3     DTC LOGIC
Engine Oil Temperature Sensor Circuit     4   2           3     DTC LOGIC
Engine Oil Pressure Sensor Circuit     4   4 3 3 3     3     DTC LOGIC
Crankshaft Position Sensor (POS) Circuit 2 2                       DTC LOGIC
Camshaft Position Sensor (PHASE) Circuit 3 2                       DTC LOGIC
Turbocharger Boost Sensor Circuit     3   3                 DTC LOGIC
Manifold Absolute Pressure Sensor Circuit         2                 DTC LOGIC
Vehicle Speed Signal Circuit   2 3   3           3     DTC LOGIC , DTC LOGIC
ECM 2 2 3 3 3 3 3 3 3 3 3     DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC
Intake Valve Timing Control Solenoid Valve Circuit 2 2 2   2   2 2           DTC LOGIC , DTC LOGIC
Intake Intermediate Valve Timing Control Solenoid Valve Circuit 2 2 2   2   2 2           DTC LOGIC , DTC LOGIC
Exhaust Valve Timing Control Solenoid Valve Circuit 2 2 2   2   2 2           DTC LOGIC , DTC LOGIC
Exhaust Valve Timing Control Position Sensor Circuit 2 2     3                 DTC DESCRIPTION
Exhaust Gas Temperature Sensor Circuit         2                 DTC LOGIC
EGR Temperature Sensor                     5     DTC LOGIC
EGR Pressure Sensor                     5     DTC LOGIC
Intake Manifold Runner Control Valve Motor Circuit 5 4 4 2 4   4 4     4     DTC LOGIC
Intake Manifold Runner Control Valve Position Sensor Circuit                           DTC LOGIC
Turbocharger Bypass Control Valve Circuit     3   3                 DTC LOGIC
Electric Wastegate Valve Circuit         1                 DTC LOGIC 
Electric Recircuration Valve Circuit         1                 DTC LOGIC
PNP Signal Circuit     3   3   3 3     3     DTC LOGIC
Refrigerant Pressure Sensor Circuit   2       3     3   4     COMPONENT FUNCTION CHECK 
Cooling Fan Control Module Circuit 5 5 5 5 5   5 5 5 4 5     COMPONENT FUNCTION CHECK 
Atmospheric Pressure Sensor Circuit                     3     DTC LOGIC
Battery Current Sensor Circuit           4 5 5         3 DTC LOGIC , DTC LOGIC , DTC LOGIC , DTC LOGIC
Electrical Load Signal Circuit             3             DESCRIPTION 
Air Conditioner Circuit 2 2 3 3 3 3 3 3 3   3   2 WORK FLOW
ABS Actuator And Electric Unit (Control Unit)     4                     WORK FLOW

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

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RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.