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Home >> Infiniti >> 2004 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P1574: ASCD Vehicle Speed Sensor >> DTC Confirmation Procedure >> Testing Condition:
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Testing Condition:

Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle. 

With CONSULT-II 

  1. Start engine (TCS switch OFF).
  2. Select DATA MONITOR mode with CONSULT-II. See Figure .
  3. Drive the vehicle at more than 40 km/h (25 MPH).
  4. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  .

With GST 

Follow the procedure With CONSULT-II.