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Test E: Reverse Tilt Feature Inoperative

  1. Operate both mirror through all positions. If both mirrors operate properly, go to next step. If both mirrors do not operate properly, repair mirrors as necessary. See SYMPTOM INDEX  table.
  2. Turn ignition switch to RUN position. Select REVERSE MIRRORS feature on message center. If REVERSE MIRROR feature is enabled, go to next step. If REVERSE MIRROR feature is not enabled, enable feature and inform customer of proper operation.
  3. Turn ignition switch to RUN position. Set parking brake. Place transmission in Reverse. Wait 15 seconds then place transmission in Park. If mirrors do not move down when transmission is in Reverse and return to pervious position when transmission is returned to Park, go to next step. If mirrors move down when transmission is in Reverse and return to pervious position when transmission is returned to Park, system is okay at this time.
  4. Connect New Generation Star (NGS) tester to Data Link Connector (DLC). Using NGS tester, perform Driver's Seat Module (DSM) self-test. If no DSM DTCs exist, replace DSM. If any DSM DTCs exist, perform appropriate test. See TILT FEATURE TEST  table.
TILT FEATURE TEST

DTC Go To Test
B1667 & B2324 D 
B1667 & B2327 D 
B1669 & B2327 D 
B1669 & B2319 D 
U1059 (1)
(1) Using NGS tester, perform Powertrain Control Module (PCM) self-test. If any DTCs are retrieved, repair powertrain control concern. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If no DTCs are retrieved, repair module communication concern. See MODULE COMMUNICATIONS NETWORK - TOWN CAR article.
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