Sentra L4-2.5L (QR25DE) (2003)
Vehicle Speed Sensor/Transducer - Cruise Control: Description and Operation
ASCD VEHICLE SPEED SENSOR
The ECM receives two vehicle speed sensor signals. One is sent from combination meter, and the other is from TCM (Transmission control module) via
CAN communication line. The ECM uses these signals for ASCD control. Refer to "AUTOMATIC SPEED CONTROL DEVICE (ASCD)" for ASCD
functions.