P1574
P1574 ASCD Vehicle Speed SensorComponent Description
The ECM receives two vehicle speed sensor signals via CAN communication line.One is sent from combination meter, and the other is from TCM (Transmission control module). The ECM uses these signals for ASCD control. Refer ASCD functions.
On Board Diagnosis Logic
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this self-diagnosis.
NOTE:
- If DTC P1574 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. U Code Charts
- If DTC P1574 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. P0607
- If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. P0500
- If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. P0605
P1574:
DTC Confirmation Procedure
CAUTION: Always drive vehicle at a safe speed.
NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
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 SDT
1. Start engine.
2. Drive the vehicle at more than 40 km/h (25MPH).
3. Check DTC.
4. If DTC is detected, go to [P1574 ASCD Vehicle Speed Sensor].
WITH GST
Follow the procedure "WITH SDT" above.
Diagnosis Procedure
