DTC 21

DTC 21 Open In Vehicle Speed Sensor Circuit




CIRCUIT DESCRIPTION
The vehicle speed sensor circuit send the vehicle speed signal to the cruise control ECU. For each rotation of the shaft, the vehicle speed sensor sends a signal through the combination meter to the cruise control ECU (See the diagram). The ECU calculates the vehicle speed from this pulse frequency.




DETECTING CONDITIONS

WIRING DIAGRAM

Step 1:

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Step 3:

INSPECTION PROCEDURE