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Home >> Cadillac >> 1997 >> Seville STS >> Repair and Diagnosis (Single Page) >> Body & Frame >> Mirrors >> Mirror - Automatic Day/Night >> Testing >> Left Outside Mirror Does Not Function Properly
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Left Outside Mirror Does Not Function Properly

  1. If diagnostic system check was performed, go to next step. If diagnostic system check was not performed, go to DIAGNOSTIC SYSTEM CHECK  .
  2. Disconnect automatic day/night mirror connector. Disconnect left outside mirror connector. Using DVOM, check resistance between automatic day/night mirror harness connector terminal No. 4 (Gray wire) and left outside mirror connector C1 terminal "A" (Gray wire) on models without memory mirrors or terminal "E" (Gray wire) on models with memory mirrors. If resistance is 5 ohms or less, go to next step. If resistance is not 5 ohms or less, go to step 6).
  3. Check resistance between automatic day/night mirror harness connector terminal No. 5 (Pink/Black wire) and left outside mirror connector C1 terminal "B" (Pink wire) on models without memory mirrors or terminal "F" (Pink wire) on models with memory mirrors. If resistance is 5 ohms or less, go to next step. If resistance is not 5 ohms or less, go to step 7).
  4. Check resistance between automatic day/night mirror harness connector terminals No. 4 (Gray wire) and No. 5 (Pink/Black wire). If resistance is 5 ohms or less, go to next step. If resistance is not 5 ohms or less, go to step 8).
  5. Replace left outside mirror face. See MIRRORS - POWER article. Perform DIAGNOSTIC SYSTEM CHECK  .
  6. Repair open in Gray wire between automatic day/night mirror and left outside mirror. Perform DIAGNOSTIC SYSTEM CHECK  .
  7. Repair open in Pink/Black or Pink wire between automatic day/night mirror and left outside mirror. Perform DIAGNOSTIC SYSTEM CHECK  .
  8. Repair short between Gray, Pink/Black and Pink wires between automatic day/night mirror and left outside mirror. Perform DIAGNOSTIC SYSTEM CHECK  .