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Circuit/System Testing

  1. Ignition ON.
  2. Disconnect the harness connector at the S48A Multifunction Switch - Instrument Panel.
  3. Verify the scan tool Advanced Parking Assist Switch parameter is Inactive.
    • If not Inactive 
    1. Ignition OFF, disconnect the X1 harness connector at the K182 Parking Assist Control Module.
    2. Test for infinite resistance between the S48A Multifunction Switch - Instrument Panel signal circuit terminal 10 and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K182 Parking Assist Control Module.
    • If Inactive 
  4. Install a 3 A fused jumper wire between the signal circuit terminal 2 and ground terminal 7.
  5. Verify the scan tool Advanced Parking Assist Switch parameter Active.
    • If not Active 
    1. Ignition OFF, disconnect the harness connector at the K182 Parking Assist Control Module, ignition ON.
    2. Test for less than 1 V between the S48A Multifunction Switch - Instrument Panel signal circuit terminal 2 and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V
    3. Ignition OFF
    4. Test for less than 2 Ω in the signal circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K182 Parking Assist Control Module.
    • If Active 
  6. Test or replace the S48A Multifunction Switch - Instrument Panel.
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