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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0510: Closed Throttle Position Switch >> DTC Confirmation Test (Without CONSULT-II)

DTC Confirmation Test (Without CONSULT-II)

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.
NOTE: Use the following test to check overall function of closed TP switch circuit. During this test, 1st trip DTC may not be confirmed.
  1. Start engine and warm to normal operating temperature. Measure voltage between ground and closed TP switch signal circuit (Brown/White wire) at ECM terminal No. 28 by backprobing. See Figure or Figure . See Figure .
  2. At idle, battery voltage should exist. At 2000 RPM, voltage should be 0-1 volt. If voltage is as specified, system is okay at this time. If voltage is not as specified, go to appropriate DIAGNOSTIC PROCEDURE.
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