FixVault

DTC 9: Open Wheel Speed Sensor Circuit

  1. Turn ignition off. Disconnect wheel speed sensor connector. Measure resistance across wheel speed sensor terminals. See Figure. If resistance is more than 2000 ohms, replace wheel speed sensor.
  2. If resistance is 1000-2000 ohms, disconnect RWAL ECM connector. Reconnect speed sensor connector. Measure resistance between RWAL ECM terminals No. 9 and 10. If resistance is more than 2000 ohms, repair open in speed sensor wiring. If resistance is 1000-2000 ohms, replace RWAL ECM.