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Trouble Diagnosis

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLE DIAGNOSIS REFERENCE

Symptom Possible causes Repair order
DVD player inoperative
  1. Power supply
  2. Ground circuit
 Refer to "POWER SUPPLY CIRCUIT INSPECTION ".
No sound when playing DVD
  1. Audio enable circuit
  2. Audio signal circuits
  3. DVD player
  4. Audio unit
  1. Check audio enable circuit between audio unit terminal 40 and DVD player terminal 9 for open or short.
  2. Check audio signal circuits for open or short between DVD player terminals 1, 2, 3 and 4 and audio unit terminals 34, 35, 36 and 37.
  3. Remove DVD player for repair.
  4. Remove audio unit for repair.
Video monitor is inoperative/does not operate properly
  1. Power supply
  2. Video monitor ground circuit
  3. Video circuits
  4. Video monitor
  5. DVD player
  1. Operate DVD player and verify battery positive voltage is present at terminals 11 and 12 of video monitor. Verify approximately 5 volts is present at terminal 10 of video monitor.
  2. Check video monitor ground circuits between DVD player terminals 19 and 27 and video monitor terminals 1 and 2.
  3. Check video circuits between DVD player terminals 23 and 24 and video monitor terminals 7 and 8.
  4. Remove video monitor for repair.
  5. Remove DVD player for repair.
DVD remote control is inoperative/does not operate properly
  1. DVD player remote control batteries
  2. DVD player remote control
  3. Video monitor
  1. Replace DVD player remote control batteries.
  2. Replace DVD player remote control.
  3. Remove video monitor for repair.
Headphones inoperative
  1. Headphone batteries
  2. Headphones
  3. Rear audio remote control unit
  1. Replace headphone batteries.
  2. Replace headphones.
  3. Replace rear audio remote control unit.
Snowy video/poor audio
  1. Harness or connectors
  2. DVD player
  1. Check harness and connectors for open or short.
  2. Check DVD player.
Snowy video (audio OK)
  1. Harness or connectors
  2. DVD player
  1. Check harness and connectors for open or short.
  2. Check DVD player.
No video (audio OK)
  1. Harness or connectors
  2. DVD player
  3. Video monitor
  1. Check harness and connectors for open or short.
  2. Check DVD player.
  3. Check video monitor.
Dim video (audio OK)
  1. Harness or connectors
  2. DVD player
  3. Video monitor
  1. Check harness and connectors for open or short.
  2. Check DVD player.
  3. Check video monitor.
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