P1574

P1574 ASCD VEHICLE SPEED SENSOR

Description
The ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from hybrid vehicle ECU, and the other is from brake ECU. The ECM uses these signals for ASCD control. Refer to "System Description" for ASCD functions.

DTC Logic

DTC Detection Logic

NOTE:
- If DTC P1574 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
- If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to EC-306, "DTC Logic" P0500
- If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to EC-313, "DTC Logic" P0605






DTC Confirmation Procedure

Step 1-2:

Diagnostic Procedure

Step 1:

Step 2: