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Circuit/System Testing

C0475 00

  1. Ignition OFF, disconnect the X1 harness connector at the PSCM.
  2. Test for less than 1Ω between the ground circuit terminal A and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance. If the circuit tests normal, replace the PSCM.
  3. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal B and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  4. If all circuits test normal, replace the PSCM.

C0475 64

  1. Separate the power steering motor assembly from the steering column.
  2. Verify no damage or separation to the rubber coupler is present.
    • If separation or damage is present, replace the power steering motor assembly. If the motor assembly is OK, replace the steering column assembly.
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