Honda HR-V: DTC Troubleshooting U3006-13: IG1 Circuit Open

NOTE: Before you troubleshoot, review the how to troubleshoot the electric parking brake system.

1. Problem verification:

1. Turn the vehicle to the ON mode.
2. Clear the DTC with the HDS.
3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
4. Check for DTCs with the HDS.

Is DTC U3006-13 indicated?

YES

The failure is duplicated. Go to step 2.

NO

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.

2. Fuse check:

1. Turn the vehicle to the OFF (LOCK) mode.
2. Check the following fuse.

Is the fuse OK?

YES

The fuse is OK. Reinstall the fuse, then go to step 3.

NO

Replace the fuse. Turn the vehicle to the ON mode, then to the OFF (LOCK) mode. If the fuse blows again, repair a short to ground in the No. C27 (7.5 A) fuse circuit.

3. Open wire check (IG1 VSA/EPS line):

1. Disconnect the following connector.

Electric parking brake control unit 30P connector

2. Turn the vehicle to the ON mode.
3. Measure the voltage between test points 1 and 2.

Is there battery voltage?

YES

The IG1 VSA/EPS wire is OK. Go to step 4.

NO

Repair an open in the IG1 VSA/EPS wire between the electric parking brake control unit and the underdash fuse/relay box.

4. Electric parking brake control unit check (update or substitution):

1. Turn the vehicle to the OFF (LOCK) mode.
2. Reconnect the following connector.

Electric parking brake control unit 30P connector

3. Update the electric parking brake control unit if it does not have the latest software. If the unit already has the latest software, substitute a known-good electric parking brake control unit.
4. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
5.  Check for DTCs with the HDS.

Is DTC U3006-13 indicated?

YES

Check for loose terminals and poor connections in the electric parking brake control unit 30P connector.

If the electric parking brake control unit was updated, substitute a known-good electric parking brake control unit and recheck. If the electric parking brake control unit was substituted and the symptom/indication is still present, replace the original electric parking brake control unit.

NO

If the electric parking brake control unit was updated, troubleshooting is complete. If the electric parking brake control unit was substituted, replace the original electric parking brake control unit.

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