Cruise Control System

DTC 21 OPEN IN VEHICLE SPEED SENSOR CIRCUIT

CIRCUIT 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 (See the installation).

ECU calculates the vehicle speed from this pulse frequency.

Wiring Diagram:

Step 1 - 3:

Step 4:

INSPECTION PROCEDURE