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Home >> Infiniti >> 2010 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0159 >> DTC P0116 ECT Sensor >> DTC Confirmation Procedure

DTC Confirmation Procedure

NOTE: If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next step.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: 

Before performing the following procedure, do not add fuel  .

  1. Start engine and warm it up to normal operating temperature.
  2. Rev engine up to 2, 000 RPM for more than 10 minutes.
  3. Move the vehicle to a cool place, then stop engine.
  4. Check resistance between "fuel level sensor and fuel pump" terminals 4 and 5.
  5. Soak the vehicle until the resistance between "fuel level sensor and fuel pump" terminals 4 and 5 becomes 0.5 kΩ higher than the value measured before soaking.
    CAUTION: Never turn ignition switch ON during soaking.
    NOTE: Soak time changes depending on ambient air temperature. It may take several hours.
  6. Start engine and let it idle for 5 minutes.
  7. Check 1st trip DTC.
  8. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".
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