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Home >> Chevrolet >> 2017 >> SS Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> Parallel Parking Assist System Malfunction >> Circuit/System Testing

Circuit/System Testing

  1. Ignition ON.
  2. Disconnect the harness connector at the S48E Multi-Function Switch - Center Console.
  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 K41 Front and Rear Parking Assist Control Module.
    2. Test for infinite resistance between the S48E Multi-Function Switch - Center Console signal circuit terminal 7 and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K41 Front and Rear Parking Assist Control Module.
    • If Inactive 
  4. Install a 3 A fused jumper wire between the signal circuit terminal 7 and ground terminal 6.
  5. Verify the scan tool Advanced Parking Assist Switch parameter Active.
    • If not Active 
    1. Ignition OFF, disconnect the X1 harness connector at the K41 Front and Rear Parking Assist Control Module, ignition ON.
    2. Test for less than 1 V between the S48E Multi-Function Switch - Center Console signal circuit terminal 7 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 K41 Front and Rear Parking Assist Control Module.
    • If Active 
  6. Test or replace the S48E Multi-Function Switch - Center Console.
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