DTC 1702: XM Antenna Error (Display Audio) (2016-17)

NOTE: 

• Check the vehicle battery condition first .
• This audio DTC sets when there is poor connectors or loose terminals at the XM antenna connector or an open in XM antenna lead.
• Before you troubleshoot, make sure to follow the General Troubleshooting Information - Refer to: How to Troubleshoot the Audio System, or Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen), or Audio System Self-Diagnostic Function (Without Navigation, With Touch Screen), or How to Troubleshoot the Audio System (Display Audio) (2016-17) .
• Check the connectors for poor connections or loose terminals.

1. Problem verification

   -1. Clear the hard error codes.

   - 2. Turn the vehicle to the OFF (LOCK) mode then the ON mode.

   - 3. Turn on the audio system, and select the XM radio.

   - 4. 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.

2. XM antenna check (SAT/TER line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the following connector.

   XM antenna 2P connector

   - 3. Turn the vehicle to the ON mode.

   - 4. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	XM antenna 2P connector: disconnected
   Test point 1	XM antenna 2P connector No. 1
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there about 5.0 V?

   YES 

   Replace the XM antenna .

   NO 

   Go to step 3.

3. Open wire check (SAT/TER line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the following connector.

   Audio unit connector M (2P)

   - 3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Audio unit connector M (2P): disconnected
   	XM antenna 2P connector: disconnected
   Test point 1	Audio unit connector M (2P) No. 1 - Refer to: Audio Unit Connector for Inputs and Outputs (Without Touch Screen) (2013), or Audio Unit Connector for Inputs and Outputs (With Touch Screen) (2013), or Audio Unit Connector for Inputs and Outputs (Without Touch Screen) (2014), or Audio Unit Connector for Inputs and Outputs (With Touch Screen) (2014), or Audio Unit Connector for Inputs and Outputs (With Touch Screen) (2015), or Audio Unit Connector for Inputs and Outputs (Without Touch Screen) (2015), or Audio Unit Connector for Inputs and Outputs (Display Audio) (2016-17), or Audio Unit Connector for Inputs and Outputs (Normal Audio) (2016-17)
   Test point 2	XM antenna 2P connector No. 1

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Replace the audio unit - Refer to: Audio Unit Removal and Installation (Without Touch Screen), or Audio Unit Removal and Installation (With Touch Screen), or Audio Unit Removal and Installation (Display Audio) (2016-17) .

   NO 

   Replace the XM antenna lead and/or the XM antenna sublead.