Component Testing
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the wheel speed sensor.
- Connect a test lamp between B+ and the wheel speed sensor signal circuit terminal B.
- Test for 4-8 mA on the low reading between the low reference terminal A and ground when spinning the wheel very slow.
- If not within the specified range, replace the wheel speed sensor.
- Test for 12-16 mA on the high reading between the low reference terminal A and ground when spinning the wheel very slow.
- If not within the specified range, replace the wheel speed sensor.