1) Connect the battery to the vehicle speed sensor.
Note
- Connect the battery plus terminal to vehicle speed sensor terminal 1, and the battery minus terminal to vehicle speed sensor terminal 2.
Caution
- Never connect connector terminal 3 of the vehicle speed sensor to positive terminal of the battery.
2) Inspect the vehicle speed sensor using a DMM.
Note
- Rotate the shaft of the vehicle speed sensor slowly and measure the voltage of the No. 3 and No. 2 terminals using a DMM.
Legend
- Terminal 1
- Terminal 2
- Terminal 3
- Connector
- Battery
- DMM
Note
- Voltage fluctuates 25 times between 2 V and 14 V for each rotation of the wheel speed sensor shaft.