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Home >> Saturn >> 2008 >> Aura Green Line >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> DTC C0710 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the steering wheel position sensor.
  2. Test for less than 5 ohms between the low reference circuit terminal 2 and ground.
    • If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the EBCM.
  3. Ignition ON, test for 4.8-5.2 volts between the 5-volt reference circuit terminal 1 and ground.
    • If less than the specified range, test the 5-volt reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the EBCM.
    • If greater than the specified range, test the 5-volt reference circuit for a short to voltage. If the circuit tests normal, replace the EBCM.
  4. Verify the scan tool SWPS Signal A and Signal B parameter is less than 0 volts.
    • If greater than the specified range, test the appropriate signal circuit terminal for a short to voltage. If the circuit tests normal, replace the EBCM.
  5. Install a 3A fused jumper wire at the 5-volt reference circuit terminal 1. Toggle the jumper wire between the 5-volt reference circuit terminal 1 and the signal A circuit terminal 5 and signal B circuit terminal 6. Verify the scan tool SWPS Signal A and SWPS Signal B parameter is greater than 4.75 volts.
    • If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the EBCM.
  6. If all circuits test normal, test or replace the steering wheel position sensor.
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