Audio-Navigation System DTC: 2710 (2019 2020 2021 2022)

DTC 2710 : USB Cable Diag

NOTE:

Check the vehicle battery condition first .
This navigation DTC sets when a problem is detected in the USB circuit (the USB icon is red in the System Links).
Check any official Honda service website for more service information about the navigation system.
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. Connect the USB device to the USB port.

-4. Check for hard error codes .

Is DTC 2710 indicated?

YES

The failure is duplicated, go to step 2.

NO

Intermittent failure, the system is OK at this time.
USB device check
-1. Clear the hard error codes .

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

-3. Disconnect the USB device, then connect a known-good USB device to the USB port.

-4. Check for hard error codes .

Is DTC 2710 indicated?

YES

Go to step 3.

NO

Original USB device is faulty.

Open wire check (USB OTG lines)

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

-2. Disconnect the following connector.

CarPlay and Android Auto unit connector C (5P)

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

Test condition	Vehicle OFF (LOCK) mode
	CarPlay and Android Auto unit connector C (5P): disconnected

Test circuit	Test point 1:CarPlay and Android Auto unit connector C (5P)	USB port 5P connector(female terminals):
USB OTG VBUS	No. 2	No. 1
USB OTG DATA+	No. 3	No. 3
USB OTG DATA-	No. 4	No. 2
USB OTG GND	No. 1	No. 4

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

Is there continuity?

YES

The USB OTG wires are OK. Go to step 4.

There is an open in the wire(s). Replace the affected shielded harness.

Open wire check (+B AUDIO(ODMD) line)

-1. Disconnect the following connector.

CarPlay and Android Auto unit connector A (20P)

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

Test condition	Vehicle OFF (LOCK) mode
	CarPlay and Android Auto unit connector A (20P): disconnected
	CarPlay and Android Auto unit connector C (5P): disconnected
Test point 1	CarPlay and Android Auto unit connector A (20P) No. 10
Test point 2	Body ground

Is there battery voltage?

YES

The +B AUDIO(ODMD) wire is OK. Go to step 5.

Repair an open in the wire.

Open wire check (GND line)

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

Test condition	Vehicle OFF (LOCK) mode
	CarPlay and Android Auto unit connector A (20P): disconnected
	CarPlay and Android Auto unit connector C (5P): disconnected
Test point 1	CarPlay and Android Auto unit connector A (20P) No. 9
Test point 2	Body ground

Is there continuity?

YES

The GND wire is OK. Go to step 6.

Repair an open in the wire or poor ground (G504).

Open wire check (SWD+B line)

-1. Turn the vehicle to the ON mode.

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

Test condition	Vehicle ON mode
	CarPlay and Android Auto unit connector A (20P): disconnected
	CarPlay and Android Auto unit connector C (5P): disconnected
Test point 1	CarPlay and Android Auto unit connector A (20P) No. 8
Test point 2	Body ground

Is there battery voltage?

YES

The SWD+B wire is OK. Go to step 7.

Repair an open in the wire.

Open wire check (CP/AA USB lines)

-1. Disconnect the following connectors.

Audio-navigation unit connector K (5P)

CarPlay and Android Auto unit connector D (5P)

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

Test condition	Vehicle OFF (LOCK) mode
	Audio-navigation unit connector K (5P): disconnected
	CarPlay and Android Auto unit connector A (20P): disconnected
	CarPlay and Android Auto unit connector C (5P): disconnected
	CarPlay and Android Auto unit connector D (5P): disconnected

Test point 1:Audio-navigation unit connector K (5P)	Test point 1:CarPlay and Android Auto unit connector D (5P)
No. 1	No. 1
No. 3	No. 3
No. 4	No. 4

Is there continuity?

YES

Replace the CarPlay and Android Auto unit .

There is an open in the wire(s). Replace the affected shielded harness.