Test L
PINPOINT TEST L: THE SUBWOOFER IS INOPERATIVE - VNRTest L1-L2:
Test L3-L5:
Test L6:
Normal Operation
The subwoofer speakers are powered by the same audio unit amplifier that powers the door speakers. Circuit 173 (DG/VT) sends an enable signal to the audio unit amplifier.
Possible Causes
- circuit 167 (BN/OG) open
- circuit 168 (RD/BK) open
- circuit 176 (PK/LG) open
- circuit 179 (OG/RD) open
- circuit 187 (DB/OG) open
- circuit 189 (TN/LB) open
- subwoofer speaker(s)
- amplifier
- audio unit