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Home >> Buick >> 1997 >> Park Avenue Base >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Memory System >> Trouble Shooting >> Front Height Up/Down Function Does Not Operate
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Front Height Up/Down Function Does Not Operate

  1. If diagnostic system check was performed, go to next step. If diagnostic system check was not performed, go to DIAGNOSTIC SYSTEM CHECK  .
  2. Connect scan tool to Data Link Connector (DLC). Using scan tool, select memory seat module inputs. Move front height switch up. If scan tool indicates switch action, go to next step. If scan tool does not indicate switch action, go to step 6).
  3. With memory seat module inputs still selected, move front height switch down. If scan tool indicates switch action, go to next step. If scan tool does not indicate switch action, go to step 6).
  4. Disconnect front height motor connector. Connect unpowered test light between front height motor harness connector terminal "A" (Dark Green wire) and ground. Move front height switch up. If test light illuminates, go to next step. If test light does not illuminate, go to step 8).
  5. Connect unpowered test light between front height motor harness connector terminal "B" (Dark Blue wire) and ground. Move front height switch down. If test light illuminates, go to step 7). If test light does not illuminate, go to step 9).
  6. Replace left seat switch. Recheck system operation.
  7. Replace front height motor. See REMOVAL & INSTALLATION in POWER SEATS article. Perform DIAGNOSTIC SYSTEM CHECK  .
  8. Repair open in Dark Green wire between front height motor and MSM. Perform DIAGNOSTIC SYSTEM CHECK  .
  9. Repair open in Dark Blue wire between front height motor and MSM. Perform DIAGNOSTIC SYSTEM CHECK  .
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