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Home >> Nissan-Datsun >> 2017 >> Maxima SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1574: ASCD Vehicle Speed Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

The difference the between two vehicle speed signals is out of the specified range.

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P1574 ASCD VHL SPD SEN
(ASCD vehicle speed sensor)
Diagnosis condition Start engine and drive the vehicle at more than 40 km/h (25 MPH)
Signal (terminal) -
Threshold The difference the between two vehicle speed signals is out of the specified range
Diagnosis delay time -