P1574
P1574 ASCD VEHICLE SPEED SENSORDescription
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 to "System Diagram" for ASCD functions.
DTC Logic
DTC Detection Logic
NOTE:
- If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC U1000, U1001. Refer to EC-1147, "DTC Logic". U1000
- If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to EC-1148, "DTC Logic". U1010
- If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to EC-1321, "DTC Logic". P0500
- If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to EC-1331, "DTC Logic". P0605
- If DTC P1574 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-1333, "DTC Logic". P0607
DTC Confirmation Procedure
Step 1-2:
Diagnostic Procedure
Step 1:
Step 1 (Continued)-3:
