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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Engine Controls Self-Diagnostics - Pathfinder & QX4) >> Diagnostic Tests >> DTC P0510: Throttle Position Switch - Closed Position >> DTC Confirmation Test (Using Generic Scan Tool)

DTC Confirmation Test (Using Generic Scan Tool)

WARNING: This page is about a different car, the 2002 Nissan Pathfinder and 2002 Infiniti QX4. 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 throttle position sensor. During this test, 1st trip DTC may not be confirmed.

Start engine and warm to normal operating temperature. Backprobbing at ECM, measure voltage between ground and ECM terminal No. 56. When engine is at idle battery voltage should exist. When engine is at 2000 RPM zero voltage should exist. If voltage is not as specified, go to DIAGNOSTIC PROCEDURE  . If voltage is as specified, system is okay at this time.

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