DTC 21

21 - Open Vehicle Speed Sensor Circuit

CIRCUIT DESCRIPTION

Detection Item:

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.

Wiring Diagram:

Step 1 - 2:

Step 2(Continued) - 6:

INSPECTION PROCEDURE

HINT: In case of using the hand-held tester, start the inspection from step 1 and in case of not using the hand-held tester, start from step 3.