P0720
DTC: P0720 - Output Speed Sensor (No. 1 Vehicle Speed Sensor) Circuit Malfunction (For Back-up Sensor)CIRCUIT DESCRIPTION
This sensor is mounted in the combination meter. It contains a magnet which is rotated by the speedometer cable. Turning the reed switch ON and OFF 4 times for every revolution of the speedometer. It is then transmitted to the ECM. The ECM determines the vehicle speed based on the frequency of these pulse signals.
DETECTING CONDITION
WIRING DIAGRAM
INSPECTION PROCEDURE