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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat System >> Diagnostic Information and Procedures >> Rear Seat Easy Exit Feature Malfunction >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition/Vehicle OFF, disconnect the harness connector at the appropriate S100 Seat Heating/Venting/Cooling Switch, Ignition ON/Vehicle in Service Mode.
  2. Press a power seat switch in order to wake up the K40 Seat Memory Control Module.
  3. Test for 8 V or greater between the signal circuit terminal 3 and ground.
    • If less than 8 V 
    1. Ignition/Vehicle OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module.
    2. Test for infinite resistance between the signal circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    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 K40 Seat Memory Control Module.
    • If 8 V or greater 
  4. Ignition/Vehicle OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module, Ignition ON/Vehicle in Service Mode.
  5. Test for less than 1 V between the signal circuit terminal 3 and ground.
    • If 1 V or greater 

      Repair the short to voltage on the circuit.

    • If less than 1 V 
  6. Test or replace the S100 Seat Heating/Venting/Cooling Switch.
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