DTC 2607

DTC 2607 : XM Diag

NOTE:

Check the vehicle battery condition first .
This navigation DTC sets when a GA-Net bus problem is detected (open or short). (the XM 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. Wait for at least 2 minutes.

-4. Check for hard error codes .

Is DTC 2607 indicated?

YES

The failure is duplicated, go to step 2.

NO

Intermittent failure, the system is OK at this time.
DTC check
-1. Check for hard error codes .

Is DTC 2601 indicated?

YES

Go to DTC 2601 troubleshooting .

NO

Go to step 3.

Determine possible failure area (GA+B line, others)

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

-2. Disconnect the following connector.

XM receiver connector A (14P)

-3. Measure the voltage between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode
	XM receiver connector A (14P): disconnected
Test circuit	GA+B
Test point 1	XM receiver connector A (14P) No. 6 (RED)
Test point 2	Body ground

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

Is there battery voltage?

YES

The GA+B wire is OK. Go to step 6.

Go to step 4.

Open wire check (GA+B line)

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

Test condition	Vehicle OFF (LOCK) mode
	XM receiver connector A (14P): disconnected
Test circuit	GA+B
Test point 1	Audio-navigation unit connector D (12P) No. 12 (RED)
Test point 2	Body ground

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

Is there battery voltage?

YES

Repair an open in the wire between the audio-navigation unit and the XM receiver.

The GA+B wire is not open. Go to step 5.

Shorted wire check (GA+B line)

-1. Disconnect the following connectors.

Audio-navigation unit connector D (12P)

Tuner unit connector A (12P)

HandsFreeLink control unit connector A (32P) (without AcuraLink)

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

Test condition	Vehicle OFF (LOCK) mode
	XM receiver connector A (14P): disconnected
	Audio-navigation unit connector D (12P): disconnected
	Tuner unit connector A (12P): disconnected
	HandsFreeLink control unit connector A (32P) (without AcuraLink): disconnected
Test circuit	GA+B
Test point 1	Audio-navigation unit connector D (12P) No. 12 (RED)
Test point 2	Body ground

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

Is there continuity?

YES

Repair a short to body ground in the wire between the audio-navigation unit and the XM receiver.

Replace the audio-navigation unit .

Determine possible failure area (GA GND line, others)

-1. Reconnect XM receiver connector A (14P) .

-2. Turn the vehicle to the ON mode.

-3. Measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode
Test circuit	GA GND
Test point 1	XM receiver connector A (14P) No. 10 (BRN)
Test point 2	Body ground

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

Is there less than 0.2 V?

YES

The GA GND wire is OK. Go to step 8.

Go to step 7.

Open wire check (GA GND line)

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

Test condition	Vehicle ON mode
Test circuit	GA GND
Test point 1	Audio-navigation unit connector D (12P) No. 6 (BRN)
Test point 2	Body ground

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

Is there any voltage?

YES

Replace the audio-navigation unit .

Repair an open or high resistance in the wire between the audio-navigation unit and the XM receiver.

Determine possible failure area (GA SYS ON line, others)

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

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

Test condition	Vehicle OFF (LOCK) mode
Test circuit	GA SYS ON
Test point 1	XM receiver connector A (14P) No. 5 (WHT)
Test point 2	Body ground

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

Is there battery voltage?

YES

The GA SYS ON wire is OK. Go to step 10.

Go to step 9.

Open wire check (GA SYS ON line)

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

Test condition	Vehicle OFF (LOCK) mode
Test circuit	GA SYS ON
Test point 1	Audio-navigation unit connector D (12P) No. 8 (WHT)
Test point 2	Body ground

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

Is there battery voltage?

YES

Repair an open in the wire between the audio-navigation unit and the XM receiver.

Replace the audio-navigation unit .

Audio-navigation unit check

-1. Turn the vehicle to the ON mode.

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

Test condition	Vehicle ON mode
Test circuit	GA SYS ON
Test point 1	XM receiver connector A (14P) No. 5 (WHT)
Test point 2	Body ground

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

Is there less than 0.2 V?

YES

Go to step 11.

Replace the audio-navigation unit .

Open wire check (GA BUS+ line, GA BUS- line)

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

-2. Disconnect the following connectors.

Audio-navigation unit connector D (12P)

XM receiver connector A (14P)

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

Test condition	Vehicle OFF (LOCK) mode
	Audio-navigation unit connector D (12P): disconnected
	XM receiver connector A (14P): disconnected
Test circuit	GA BUS+
Test point 1	Audio-navigation unit connector D (12P) No. 7 (PNK)
Test point 2	XM receiver connector A (14P) No. 12 (PNK)

Test circuit	GA BUS-
Test point 1	Audio-navigation unit connector D (12P) No. 1 (BLU)
Test point 2	XM receiver connector A (14P) No. 11 (BLU)

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

Is there continuity?

YES

Replace the XM receiver .

There is an open in the wire (s) between the audio-navigation unit and the XM receiver. Replace the affected shielded harness.