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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1574: ASCD Vehicle Speed Sensor >> DTC Confirmation Test
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DTC Confirmation Test

Start engine. Ensure TCS is turned off. Select DATA MONITOR mode with scan tool. Drive vehicle at more than 25 MPH. 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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