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Home >> Infiniti >> 2003 >> G35 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0221: Throttle Position Sensor Circuit Range Performance Problem >> DTC Confirmation Test

DTC Confirmation Test

NOTE: If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.
  1. Turn ignition switch on.
  2. Select DATA MONITOR mode with scan tool.
  3. Start engine and let it idle for at least one minute.
  4. 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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