Pinpoint Test D: No Sound Output From Sub-Woofer
WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
TEST CONDITIONS
DETAILS/RESULTS/ACTIONS
- D1: NO SOUND OUTPUT FROM SUB-WOOFER
- Check sub-woofer operation
Is the harness connector securely connected to the audio amplifier module and the sub-woofer unit?
- Yes : Proceed to the next step GO to D2.
- No : Reconnect wiring harness to audio amplifier module/sub-woofer unit
- D2: NO SOUND OUTPUT FROM SUB-WOOFER
- Check Integrated Audio Module (IAM) operation
Is the integrated audio module operational?
- Yes : Proceed to the next step GO to D3.
- No : Check the integrity of the power supply circuits/fuses to the integrated audio module and rectify as required. Check the integrated audio module for related DTCs and refer to the relevant DTC index
- D3: NO SOUND OUTPUT FROM SUB-WOOFER
- Check which sub-woofers are operational
Are all sub-woofers working?
- Yes : Proceed to the next step GO to D4.
- No : Use the fader control to direct audio output to different subwoofer locations to establish which units are non-operational. Refer to the electrical circuit diagrams and check the circuits between the audio amplifier module and the affected sub-woofer units for short circuit to ground, open circuit, high resistance. Repair circuit(s) as required. If fault persists, replace nonoperational sub-woofer unit(s) as required
- D4: NO SOUND OUTPUT FROM SUB-WOOFER
- Check for any visible loose harness connections on sub-woofer drive unit
Are there any visible loose harness connections (ie: loose wires/pins) on the sub-woofer
- Yes : Replace the sub-woofer unit(s) as required
- No : No further action