Premium System
WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
PREMIUM SYSTEM
| Symptom |
Possible causes |
Repair order |
| Audio unit controls are operational, but no sound is heard from any speaker. |
- 20A fuse
- Amp. ON/OFF signal circuit
- Audio amplifier ground
- Audio unit
- Audio amplifier
|
- Check 20A fuse (No. 42, located in fuse and fusible link box). Verify that battery positive voltage is present at audio amplifier terminals 1 and 2.
- Check harness continuity between audio unit terminal 12 and audio amplifier terminal 24.
- Check harness continuity between audio amplifier terminals 3 and 4 and ground.
- Remove audio unit for repair.
- Remove audio amplifier for repair.
|
| Individual speaker is noisy or inoperative. |
- Speaker
- Output circuit to individual speaker
- Audio unit
- Audio amplifier
|
- Check speaker.
- Check the output circuits to individual speaker
- between audio unit and audio amplifier.
- between audio amplifier and speaker.
- Remove audio unit for repair.
- Remove audio amplifier for repair.
|
| Subwoofer does not operate. |
- Output circuit to subwoofer
- Subwoofer
- Audio amplifier
|
- Check circuits for open or short between the audio amplifier and the subwoofer.
- Check subwoofer.
- Remove audio amplifier for repair.
|