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Home >> Saturn >> 2009 >> Astra XR, 4D Hatchback, Automatic >> Repair and Diagnosis >> Steering >> Power Steering >> Diagnostic Information and Procedures >> DTC C1525 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the X2 harness connector at the power steering control module.
  2. Ignition ON, Engine Running, verify a test lamp illuminates between the signal circuit terminal 5 and ground.
    • If the test lamp does not illuminate, test the signal circuit for a short to ground or an open/high resistance. if the circuit tests normal, test or replace the underhood junction block.
  3. If all circuits test normal, test or replace the PSCM
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