2006 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Test Item

TEST ITEM REFERENCE

TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJECTION
  • Engine: Return to the original trouble condition
  • Change the amount of fuel injection using CONSULT-II.
 If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Fuel injector
  • Air fuel ratio (A/F) sensor 1
IGNITION TIMING
  • Engine: Return to the original trouble condition
  • Timing light: Set
  • Retard the ignition timing using CONSULT-II.
 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
  • Shift lever P or N (A/T), Neutral (M/T)
  • Cut off each fuel injector signal one at a time using CONSULT-II.
 Engine runs rough or dies.
  • Harness and connectors
  • Compression
  • Fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil
COOLING FAN
  • Ignition switch: ON
  • Turn the cooling fan "LOW", "HI" and "OFF" with CONSULT-II.
 Cooling fan moves and stops.
  • Harness and connectors
  • Cooling fan relay
  • Cooling fan motor
ENG COOLANT TEMP
  • Engine: Return to the original trouble condition
  • Change the engine coolant temperature using CONSULT-II.
 If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injector
FUEL PUMP RELAY
  • Ignition switch: ON (Engine stopped)
  • Turn the fuel pump relay ON and OFF using CONSULT-II and listen to operating sound.
 Fuel pump relay makes the operating sound.
  • Harness and connectors
  • Fuel pump relay
VIAS SOL VALVE
  • Ignition switch: ON
  • Turn solenoid valve ON and OFF with CONSULT-II and listen for operating sound.
 Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve
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-II.
 Engine speed changes according to the opening percent.
  • Harness and connectors
  • Solenoid valve
FUEL/T TEMP SEN
  • Change the fuel tank temperature using CONSULT-II.
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" with the CONSULT-II and listen to operating sound.
 Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve
V/T ASSIGN ANGLE
  • Engine: Return to the original trouble condition
  • Change intake valve timing using CONSULT-II.
 If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Intake valve timing control solenoid valve
Factory Service Tools

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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.