DTC: 1702

WARNING: This page is about a different car, the 2018 Honda Pilot, 2017 Honda Pilot, and 2016 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.

DTC 1702 : XM Antenna Error

NOTE:

Check the vehicle 12 volt battery condition first - Refer to:
12 Volt Battery Test (Without Auto Idle Stop System) or

12 Volt Battery Test (Touring) .
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 .
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 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.

XM antenna check (SAT/TERM line)

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

- 2. Disconnect the following connector.

Roof antenna (XM) 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
	Roof antenna (XM) 2P connector: disconnected
Test point 1	Roof antenna (XM) 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 roof antenna - Refer to:

Roof Antenna Removal and Installation (2019 2020 2021) or

Roof Antenna Removal and Installation (2016 2017 2018) .

Go to step 3.

Open wire check (SAT/TERM 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
	Roof antenna (XM) 2P connector: disconnected
Test point 1	Audio unit connector M (2P) No. 1 - Refer to: Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .
Test point 2	Roof antenna (XM) 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 (Display Audio Type [8-inch Screen]) (2016 2017 2018) or

Audio Unit Removal and Installation (Color Audio Type [5-inch Screen]) .

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

DTC 1702 : XM Antenna Error

NOTE:

Check the vehicle 12 volt battery condition first - Refer to:
12 Volt Battery Test (Without Auto Idle Stop System) or

12 Volt Battery Test (Touring) .
This navigation 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 .
Check any official Honda service website for more service information about the navigation system.
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 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.

XM antenna check (SAT/TERM line)

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

- 2. Disconnect the following connector.

Roof antenna (XM) 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

	Roof antenna (XM) 2P connector: disconnected
Test point 1	Roof antenna (XM) 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 roof antenna - Refer to:

Roof Antenna Removal and Installation (2019 2020 2021) or

Roof Antenna Removal and Installation (2016 2017 2018) .

Go to step 3.

Open wire check (SAT/TERM line)

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

- 2. Disconnect the following connector.

Audio-navigation unit connector M (2P)

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

Test condition	Vehicle OFF (LOCK) mode
	Audio-navigation unit connector M (2P): disconnected
	Roof antenna (XM) 2P connector: disconnected
Test point 1	Audio-navigation unit connector M (2P) No. 1 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or Audio-Navigation Unit Connector for Inputs and Outputs (2016) .
Test point 2	Roof antenna (XM) 2P connector No. 1

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

Is there continuity?

YES

Replace The AUDIO-NAVIGATION Unit (2016 2017 2018) .

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