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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.5 >> Diagnostic Tests >> DTC P1574: Automatic Speed Control Device (ASCD) Vehicle Speed Sensor >> DTC Confirmation Test

DTC Confirmation Test

NOTE: To conduct test procedure drive wheels must be lifted in the shop or prepare to drive vehicle.

To set DTC, start engine. Using scan tool, select DATA MONITOR. Drive vehicle at more than 25 MPH. If first trip DTC is detected, perform DIAGNOSTIC PROCEDURE . DTC will set when ECM detects a difference between 2 vehicle speed signals are out of specified range.

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