LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 1997 >> Eldorado Base >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Memory System >> Trouble Shooting >> Diagnostic System Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic System Check

NOTE: Perform this check before diagnosing symptoms.
  1. Put gearshift lever in Park. Operate left seat switch in each of the following positions: Front height up, front height down, rear height up, rear height down, entire seat up, entire seat down, seat forward, seat back, recline up and recline down. Left seat should move as commanded. If seat does not move as commanded, see LEFT SEAT DOES NOT MANUALLY MOVE IN ANY DIRECTION  or LEFT SEAT DOES NOT MANUALLY MOVE IN ONE DIRECTION.
  2. Operate left lumbar switch in up, down, in and out positions. Left lumbar support should move as commanded. If left lumbar support does not move as commanded, see LEFT LUMBAR SUPPORT DOES NOT MANUALLY MOVE IN ANY DIRECTION  or LEFT LUMBAR SUPPORT DOES NOT MANUALLY MOVE IN ONE DIRECTION.
  3. Using mirror select switch, select left mirror. Operate left mirror switch in left, right, up and down positions. Left mirror should move as commanded. If left mirror does not move as commanded, see appropriate MIRROR DOES NOT MOVE MANUALLY symptom.
  4. Using mirror select switch, select right mirror. Operate right mirror switch in left, right, up and down positions. Right mirror should move as commanded. If right mirror does not move as commanded, see appropriate MIRROR DOES NOT MOVE MANUALLY symptom.
  5. Press MEMORY-1 button. A single beep should be heard. Left seat, lumbar support and both mirrors should move to programmed position for Driver No. 1. If seat or mirrors do not respond as commanded, see ONE MIRROR DOES NOT MOVE LEFT & RIGHT FOR MANUAL & RECALL FUNCTIONS, ONE MIRROR DOES NOT MOVE UP & DOWN FOR MANUAL & RECALL FUNCTIONS or MEMORY FUNCTION SWITCH INOPERATIVE.
  6. Press MEMORY-2 button. A single beep should be heard. Left seat, lumbar support and both mirrors should move to programmed position for Driver No. 2. If seat or mirrors do not respond as commanded, see ONE MIRROR DOES NOT MOVE LEFT & RIGHT FOR MANUAL & RECALL FUNCTIONS, ONE MIRROR DOES NOT MOVE UP & DOWN FOR MANUAL & RECALL FUNCTIONS or MEMORY FUNCTION SWITCH INOPERATIVE.
  7. Press EXIT button. A single beep should be heard. Left seat should move to exit position programmed for last memorized position. If seat or mirrors do not respond as commanded, see ONE MIRROR DOES NOT MOVE LEFT & RIGHT FOR MANUAL & RECALL FUNCTIONS, ONE MIRROR DOES NOT MOVE UP & DOWN FOR MANUAL & RECALL FUNCTIONS or MEMORY FUNCTION SWITCH INOPERATIVE.
  8. Move left seat, lumbar support and both mirrors to desired position. Left seat should move as commanded. Press SET button. Within 5 seconds, press MEMORY-1 button. A single beep should be heard, and current positions for seat, lumbar support and mirrors should be stored in memory. Move left seat, lumbar support and both mirrors in all directions. Press MEMORY-1 button. Seat, lumbar support and mirrors should return to memorized position. If seat or mirrors do not respond as commanded, see ONE MIRROR DOES NOT MOVE LEFT & RIGHT FOR MANUAL & RECALL FUNCTIONS, ONE MIRROR DOES NOT MOVE UP & DOWN FOR MANUAL & RECALL FUNCTIONS or MEMORY FUNCTION SWITCH INOPERATIVE.
  9. Apply parking brake. Move gearshift lever out of Park. Briefly press MEMORY-1 button. Seat and mirrors should not move. If seat and mirrors move, locate and repair problem in Brake Transaxle Shift Interlock (BTSI) system. See AUTOMATIC TRANSMISSION SERVICE article.
  10. Press Driver-1 keyless entry transmitter UNLOCK button. Press Driver-2 keyless entry transmitter UNLOCK button. Recall function is capable of recalling 3 personalized options. Left seat and mirror should move to appropriate programmed option. If left seat and mirror do not function as specified, locate and repair problem in remote keyless entry system. See KEYLESS ENTRY SYSTEM - REMOTE article.
scientia non olet · About LEMON Manuals