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Home >> Nissan-Datsun >> 2015 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) >> System Description >> Diagnosis System (ECM) >> Consult Function >> Active Test Mode >> Test Item
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Test Item

Test item Condition Judgement Check item (Remedy)
FUEL INJECTION
  • Engine: Return to the original trouble condition
  • Change the amount of fuel injection using CONSULT.
If trouble symptom disappears, see Check item.
  • Harness and connectors
  • Fuel injector
  • Air fuel ratio (A/F) sensor 1
ENG COOLANT TEMP
  • Engine: Return to the original trouble condition
  • Change the engine coolant temperature using CONSULT.
If trouble symptom disappears, see Check item.
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injector
PURG VOL CONT/V
  • Engine: After warming up, run engine at 1, 500 RPM.
  • Change the EVAP canister purge volume control solenoid valve opening percent using CONSULT.
Engine speed changes according to the opening percent.
  • Harness and connectors
  • Solenoid valve
FUEL/T TEMP SEN
  • Change the fuel tank temperature using CONSULT.
COOLING FAN*
  • Ignition switch: ON
  • Select LOW or HIGH on CONSULT screen.
Cooling fan operates at low speed or high speed.
  • Harness and connectors
  • Cooling fan motor
  • Cooling fan relay
  • IPDM E/R
ALTERNATOR DUTY
  • Ignition switch: ON
  • Change duty ratio using CONSULT.
Battery voltage changes.
  • Harness and connectors
  • Alternator
  • IPDM E/R
FUEL PUMP RELAY
  • Ignition switch: ON (Engine stopped)
  • Turn the fuel pump relay "ON" and "OFF" using CONSULT and listen to operating sound.
Fuel pump relay makes the operating sound.
  • Harness and connectors
  • Fuel pump relay
VIAS S/V-1
  • Ignition switch: ON (Engine stopped)
  • Turn Intake Manifold Tuning (IMT) Valve "ON" and "OFF" using CONSULT and listen to operating sound.
IMT valve motor makes an operating sound.
  • Harness and connectors
  • IMT valve motor
TUMBLE CONTROL VALVE
  • Ignition switch: ON
  • Turn intake manifold runner control valve "ON" and "OFF" using CONSULT and listen to operating sound.
Intake Manifold Runner control valve motor makes an operating sound.
  • Harness and connectors
  • Intake Manifold Runner control valve motor
IGNITION TIMING
  • Engine: Return to the original trouble condition
  • Timing light: Set
  • Retard the ignition timing using CONSULT.
If trouble symptom disappears, see Check item. Perform Idle Air Volume Learning.
POWER BALANCE
  • Engine: After warming up, idle the engine.
  • A/C switch OFF
  • Selector lever: P or N (CVT models)
  • Shifter lever: Neutral (M/T models)
  • Cut off each fuel injector signal one at a time using CONSULT.
Engine runs rough or stops.
  • Harness and connectors
  • Compression
  • Fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" using CONSULT and listen to operating sound.
Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve
INT V/T ASSIGN ANGLE
  • Engine: Return to the original trouble condition
  • Change intake valve timing using CONSULT.
If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Intake valve timing control solenoid valve
EXH V/T ASSIGN ANGLE
  • Engine: Return to the original trouble condition
  • Change exhaust valve timing using CONSULT.
If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Exhaust valve timing control solenoid valve

* : Leaving cooling fan OFF with CONSULT while engine is running may cause the engine to overheat.