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4. Inspection of Vehicle Speed Sensor Circuit





No. 4 Inspection of Vehicle Speed Sensor Circuit

DESCRIPTION OF OPERATION
The vehicle speed sensor is a reed switch type and is mounted in the speedometer. It sends pulse signals proportional to the rotational speed of the transmission output gear (vehicle speed) to the control unit. (Four pulse signals generated per rotation of the output gear)

TROUBLESHOOTING HINTS

Diagnosis No.12 (Automatically canceled)

ECU terminal voltage: