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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0502: Vehicle Speed Sensor Circuit - Low Input >> Code Enable Criteria
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Code Enable Criteria

WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.

Following conditions must be met for DTC diagnostic test to run:

When above conditions are met, one of the following test will run:

Decel Test

Decel test will fail if vehicle speed is less than 2 MPH. Decel test will pass if vehicle speed is 2 MPH or more.

Power Test

Power test will fail if vehicle speed is less than 2 MPH. Power test will pass if vehicle speed is 2 MPH or more, without any VSS DTCs being set, or vehicle speed is 30 MPH or more and VSS DTCs are set.