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Memory Function Switch Inoperative

  1. Perform MEMORY SYSTEM CHECK  under TESTING - SYSTEM CHECKS. Go to next step.
  2. Using test light, backprobe between Memory Mirror Module (MMM) connector C1, terminal E1 (Orange wire) and memory function switch connector terminal "E" (Black wire). If test light illuminates, go to next step. If test light does not illuminate, go to step 6).
  3. Using test light, backprobe between MMM connector C1, terminal E1 (Orange wire) and appropriate memory function connector switch terminal. See WIRING DIAGRAMS  . Operate suspect memory switch. If test light illuminates, go to next step. If test light does not illuminate, go to step 7).
  4. Using test light, backprobe between MMM connector C1, terminal E1 (Orange wire) and appropriate MMM connector terminal. See WIRING DIAGRAMS  . Operate suspect memory switch. If test light illuminates, go to next step. If test light does not illuminate, go to step 8).
  5. Replace Memory Mirror Module (MMM).
  6. Check for open in Black wire between memory function switch and ground. If circuit is okay, go to next step. If circuit is not okay, go to step 9).
  7. Replace memory function switch.
  8. Repair problem in appropriate wire. See WIRING DIAGRAMS  .
  9. Repair open in Black wire between memory function switch and ground. See WIRING DIAGRAMS  .
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