Audio System DTC 1702
DTC 1702 : XM Antenna Error
- Check the vehicle 12 volt battery condition first .
- This audio DTC sets when there is poor connectors or loose terminals at the XM antenna connector or an open in the antenna lead.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information .
- Check the connectors for poor connections or loose terminals.
- Problem verification
-1. Clear the hard error codes .
-2. Turn the vehicle to the OFF (LOCK) mode.
-3. Wait for at least 6 seconds.
-4. Turn the vehicle to the ON mode.
-5. Turn on the audio system, and select the XM radio.
-6. Check for hard error codes .
Is DTC 1702 indicated?
YES
The failure is duplicated, go to step 2.
NO
Intermittent failure, the system is OK at this time.
- Open wire check (SAT-TER line)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connectors.
Roof antenna connector C (2P) Audio unit connector N (2P) -3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Audio unit connector N (2P): disconnected Roof antenna connector C (2P): disconnected Test point 1 Audio unit connector N (2P) No. 1 Test point 2 Roof antenna connector C (2P) (female terminals) No. 1: Is there continuity?
YES
The SAT-TER wire is OK. Go to step 3.
NO
There is an open in the wire between the roof antenna and the audio unit. Replace the affected antenna lead.
- Roof antenna check
-1. Substitute a known-good roof antenna .
-2. Reconnect all the connectors, and recheck.
Does the symptom go away?
YES
Replace the original roof antenna.
NO