Cruise Control System
DTC 21 - Open in Vehicle Speed Sensor CircuitCIRCUIT DESCRIPTION
Detection Item:
The signal from the vehicle speed sensor circuit is sent to the cruise control ECU as a vehicle speed signal.
The rotor shaft is driven by the gear of the transmission.
For each rotation of the shaft, the vehicle speed sensor sends a 4-pulse signal through the combination meter to the cruise control ECU .
ECU calculates the vehicle speed from this pulse frequency.
Wiring Diagram:
Step 1 - 3:
Step 4:
INSPECTION PROCEDURE