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Home >> Infiniti >> 2009 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0308 >> DTC P0181: FTT Sensor >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. If DTC Confirmation Procedure has been previously conducted, always perform the following 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.
  2. Turn ignition switch ON and wait at least 10 seconds.
  3. Check 1st trip DTC.

    If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".

    If 1st trip DTC is not detected, go to following step.

  4. Select "DATA MONITOR" mode with CONSULT-III.
  5. Check "COOLAN TEMP/S" value.

    If the "COOLAN TEMP/S" is less than 60°C (140°F), the result will be OK.

    If the "COOLAN TEMP/S" is above 60°C (140°F), go to the following step.

  6. Cool engine down until "COOLAN TEMP/S" signal is less than 60°C (140°F).
  7. Wait at least 10 seconds.
  8. Check 1st trip DTC.
  9. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".
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