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Home >> Infiniti >> 2003 >> QX4 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0181: Fuel Tank Temperature Sensor - Range/Performance Problem >> DTC Confirmation Test

DTC Confirmation Test

NOTE: If DTC confirmation procedure had been previously run, turn ignition off and wait at least 10 seconds before continuing.
  1. Turn ignition on. Select DATA MONITOR mode with CONSULT-II. Wait at least 10 seconds. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE . If 1st trip DTC is not detected, go to next step.
  2. ON scan tool, observe COOLAN TEMP/S value. If COOLAN TEMP/S is more than 140°F (60°C), allow engine to cool until COOLAN TEMP/S is less than 140°F (60°C).
  3. Wait at least 10 seconds. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE . If 1st trip DTC is not detected, system is okay at this time.
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