DTC 21

DTC 21 - OPEN IN VEHICLE SPEED SENSOR CIRCUIT

DTC 21 - Open In Vehicle Speed Sensor Circuit:

CIRCUIT DESCRIPTION
The vehicle speed sensor circuit is sent to cruise control ECU as vehicle speed signal. For each rotation of the shaft, the vehicle speed sensor sends a signal through the combination meter to the cruise control ECU. The ECU calculates the vehicle speed from this pulse frequency.

Vehicle Speed Sensor Circuit:

WIRING DIAGRAM

DTC 21 - Open In Vehicle Speed Sensor Circuit (1 Of 3):

DTC 21 - Open In Vehicle Speed Sensor Circuit (2 Of 3):

DTC 21 - Open In Vehicle Speed Sensor Circuit (3 Of 3):

INSPECTION PROCEDURE