Circuit/System Testing
- Ignition OFF and all vehicle systems OFF. Disconnect the harness connectors at the steering wheel speed position sensor and yaw and lateral accelerometer sensor. It may take up to 2 min for all vehicle systems to power down.
- Test for less than 10 Ω between the low reference circuit terminal 6 and ground.
- If 10 Ω or greater , Repair the open/high resistance in the circuit between the X201 inline connector and the steering wheel speed position sensor.
- If less than 10 Ω , go to 3.
- Ignition ON.
- Verify a test lamp illuminates between the ignition circuit terminal 5 and ground.
- If the test lamp does not illuminate , Repair the open/high resistance in the circuit between the X201 inline connector and the steering wheel speed position sensor.
- If the test lamp illuminates , go to 5.
- Ignition OFF and all vehicle systems OFF. It may take up to 2 min for all vehicle systems to power down.
- Test for less than 130 Ω between the serial data circuits terminal 2 and 3.
- If 130 Ω or greater , Repair the open/high resistance in the circuits between the X201 inline connector and the steering wheel speed position sensor.
- If less than 130 Ω , go to 7.
- Replace the steering wheel speed position sensor.