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Home >> Lincoln >> 2007 >> Town Car Designer, 4.6 W >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission External Controls >> Diagnostic Tests >> External Controls >> Symptom Chart

Symptom Chart

Symptom Chart

Condition Possible Sources Action
  • The shift interlock system does not release/lock correctly
  • Circuit(s)
  • Battery junction box (BJB) fuse F14 (20A)
  • Central junction box (CJB) fuses F28 (7.5A) and fuse F30 (15A)
  • Brake shift interlock actuator (BSIA)
  • Brake pedal position (BPP) switch
  • Lighting control module
  • The shift control is out of correct gear relationship
  • Shift control component(s)
  • Internal transmission component(s)
  • The selector lever indicator does not correspond to the gear
  • Selector lever indicator adjustment
  • CHECK that the selector lever indicator adjustment is correct. REFER to Selector Lever Indicator Adjustment . ADJUST the selector lever indicator if necessary. TEST the system for normal operation. If the condition persists, go to Pinpoint Test B .
  • The control linkage is binding
  • Shift control component(s)
  • Internal transmission component(s)
  • The selector lever will not shift from range
  • Shift control component(s)
  • Internal transmission component(s)
  • The selector lever indicator does not illuminate
  • Instrument cluster
  • The transmission control (TC) switch does not operate correctly
  • TC switch not cycled during self-test
  • Fuse F8 (10A)
  • TC switch
  • Circuit(s)
  • Powertrain control module (PCM)
  • Instrument cluster
  • The transmission control indicator lamp (TCIL) does not illuminate
  • Instrument cluster
  • PCM
  • The transmission control indicator lamp (TCIL) is illuminated continuously
  • Instrument cluster
  • PCM
  • Rattle, noise, buzz or other noise
  • Selector lever
  • Steering column shrouds
  • INSPECT the selector lever and shrouds for damage and incorrect installation. REPAIR as necessary. REFER to Selector Lever .
  • Water enters inside the vehicle
  • Selector lever cable rubber grommet
  • SECURE the grommet to the bulkhead.
 
  • Torn selector lever cable rubber grommet