Abs-9 - High Speed Sensor Resistance
- Turn ignition off. Disconnect speed sensor harness connector from speed sensor on differential. See Figure . Using an ohmmeter, check resistance between speed sensor terminals. If resistance is 1000-2500 ohms, go to next step. If resistance is greater than 2500 ohms, replace speed sensor.
- Disconnect negative battery cable. Reconnect speed sensor harness connector to speed sensor. Disconnect ABS control unit harness connector. Check resistance between ABS control unit harness connector terminals "O" and "L". See Figure .
- If resistance is greater than 2500 ohms, repair open in speed sensor wires between speed sensor and ABS control unit. Check for loose and dirty connector terminals. If resistance is 1000-2500 ohms, replace ABS control unit.