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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0405: EGR Temperature Sensor Circuit Low Input Or DTC P0406: EGR Temperature Sensor Circuit High Input >> DTC Confirmation Test "A"
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DTC Confirmation Test "A"

  1. Turn ignition on. Select DATA MONITOR mode with scan tool. Ensure engine coolant temperature is less than 122°F (50°C). Start engine and let it idle for at least 8 seconds.
  2. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, turn ignition off, wait at least 5 seconds and go to appropriate DTC CONFIRMATION TEST "B".
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