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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Controls - Self-Diagnostics - 1.8L - XE, GXE) >> Diagnostic Tests >> DTC P0403: EGR Volume Control Valve Circuit >> DTC Confirmation Test

DTC Confirmation Test

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC confirmation test has been previously performed, always turn ignition off and wait at least 10 seconds before performing the next test.
NOTE: Before proceeding, ensure battery voltage is more than 10 volts at idle.
  1. Turn ignition on. Select DATA MONITOR mode with scan tool. Start engine and warm to normal operating temperature. Quickly increase engine speed to 2000 RPM, then release throttle. Repeat 10 times.
  2. 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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