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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1402: EGR Function (2.4L) >> DTC Confirmation Test (Using Generic Scan Tool)
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DTC Confirmation Test (Using Generic Scan Tool)

WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition on. Select MODE 1 with scan tool. Ensure engine coolant temperature is 14-95°F (-10-60°C).
  2. Measure voltage between ground and EGR temperature sensor circuit at ECM terminal No. 63 by backprobing. See Figure or Figure . See Figure . Ensure voltage is less than 4.8 volts.
  3. Start engine and let it idle for at least 60 seconds.
  4. Stop engine. Repeat steps  1 - 3 .
  5. Select MODE 3 with scan tool. If DTC is detected, go to DIAGNOSTIC PROCEDURE  . If DTC is not detected, system is okay at this time.
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