Circuit/System Testing

Vehicle OFF and all vehicle systems OFF, disconnect the harness connector at the S48D Multifunction Switch 2 - Instrument Panel. It may take up to 2 min for all vehicle systems to power down.
Test for less than 10 Ω between the ground circuit terminal 10 and ground.
- If 10 Ω or greater
1. Vehicle OFF.
2. Test for less than 2 Ω in the ground circuit end to end.
  - If 2 Ω or greater, repair the open/high resistance in the ground circuit.
  - If less than 2 Ω, repair the open/high resistance in the ground connection.
- If less than 10 Ω
Vehicle ON.
Verify the scan tool Advanced Parking Assist Switch parameter is Inactive.
- If not Inactive
1. Vehicle OFF, disconnect the harness connector at the K182 Parking Assist Control Module.
2. Test for infinite resistance between the S48D Multifunction Switch 2 - Instrument Panel signal circuit terminal 1 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
Install a 3 A fused jumper wire between the signal circuit terminal 1 and ground.
Verify the scan tool Advanced Parking Assist Switch parameter is Active.
- If not Active
1. Vehicle OFF, disconnect the harness connector at the K182 Parking Assist Control Module, vehicle ON.
2. Test for less than 1 V between the S48D Multifunction Switch 2 - Instrument Panel signal circuit terminal 1 and ground.
  - If 1 V or greater, repair the short to voltage on the circuit.
  - If less than 1 V.
3. 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
Test or replace the S48D Multifunction Switch 2 - Instrument Panel.