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"K" Body (Deville - With Console Shifter)

  1. Install scan tool to DLC. Turn ignition switch to ON position. Using scan tool, command park relay on. If relay clicks, go to step  7. If relay does not click, go to next step.
  2. Turn ignition switch to OFF position. Disconnect park relay. Turn ignition switch to ON position. Using test light connected to ground, probe coil side power feed circuit of park relay. See WIRING DIAGRAMS . If test light does not illuminate, go to step  19. If test light illuminates, go to next step.
  3. Connect a test light between control circuit and coil side power feed circuit of park relay. Using scan tool, command park relay on and off. If test light illuminates on and off with each command, go to step  15. If test light does not illuminate on and off with each command, go to next step.
  4. If test light illuminates with each command, go to step  6. If test light does not illuminate with each command, go to next step.
  5. Check control circuit of park relay for an open. Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  16.
  6. Check control circuit of park relay for a short to ground. Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  16.
  7. Turn ignition switch to OFF position. Disconnect park relay. Turn ignition switch to ON position. Using test light connected to ground, probe switch side power feed circuit of park relay. See WIRING DIAGRAMS . If test light does not illuminate, go to step  20. If test light illuminates, go to next step.
  8. Turn ignition switch to OFF position. Reconnect park relay. Disconnect brakelight switch connector. Turn ignition switch to ON position. Using test light connected to ground, probe power feed circuit of brakelight switch connector. Using scan tool, command park relay on. If test does not illuminate, go to step  10. If test light illuminates, go to next step.
  9. Turn ignition switch to OFF position. Reconnect brakelight switch connector. Disconnect BTSI solenoid connector. Turn ignition switch to ON position. Using test light connected to ground, probe power feed circuit of BTSI solenoid connector. See WIRING DIAGRAMS . Using scan tool, command park relay on. If test light does not illuminate, go to step  11. If test light illuminates, go to step  12.
  10. Check power feed circuit of brakelight switch for an open. See WIRING DIAGRAMS . Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  15.
  11. Check internal relay coil side power feed circuit of BTSI solenoid for an open. Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  17
  12. Connect a test light between internal relay coil side power feed circuit and ground circuit of BTSI solenoid connector. Using scan tool, command park relay on. If test light does not illuminate, go to step  21. If test light illuminates, go to next step.
  13. Connect a test light between internal relay switch side power feed circuit and ground circuit of BTSI solenoid connector. If test light illuminates, go to step  18. If test light does not illuminate, go to next step.
  14. Check internal relay switch side power feed circuit of BTSI solenoid for an open or ground. See WIRING DIAGRAMS . Repair as necessary. If condition was corrected, go to step  26.
  15. Inspect for poor connections at park relay. Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  23.
  16. Inspect for poor connections at REAR INTEGRATION MODULE (RIM) harness connector. Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  24.
  17. Inspect brakelight switch for proper adjustment. Inspect for poor connections at brakelight switch. See WIRING DIAGRAMS . Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  22.
  18. Inspect BTSI solenoid for proper adjustment and free mechanical movement. Inspect for poor connections at BTSI solenoid. Repair as necessary. If condition was corrected, go to step  26. If condition was not corrected, go to step  25.
  19. Repair coil side power feed circuit of park relay, then go to step  26.
  20. Repair switch side power feed circuit of park relay, then go to step  26.
  21. Repair ground circuit of BTSI solenoid, then go to step  26.
  22. Replace brakelight switch, then go to step  26.
  23. Replace park relay, then go to step  26.
  24. Replace RIM, then go to step  26. See REAR INTEGRATION MODULE  under PROGRAMMING PROCEDURE.
  25. Replace BTSI solenoid, then go to next step.
  26. Ensure all components disconnected or removed during testing are reconnected and installed on vehicle. Ensure BTSI system operates correctly. See SHIFT INTERLOCK SOLENOID  under DESCRIPTION & OPERATION. If system does not operate correctly, repeat step  1.
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