DTC U3006-13 (Electric Parking Brake Control Unit)

DTC U3006-13  : IG1 Circuit Open

DTC (Electric parking brake)

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 the ON mode.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   U3006-13 IG1 Circuit Open

   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 .

2. Fuse check

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

   -2. Check the following fuses.

   Fuse	No. D10 (7.5 A)

   Location

   Driver's under-dash fuse/relay box

   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 OFF (LOCK) mode, then the ON mode. If the fuse blows again, repair the short to ground on the No. D10 (7.5 A) fuse circuit.

3. Open wire check (IG1 DR1 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.

   Test condition	Vehicle ON mode
   	Electric parking brake control unit 30P connector: disconnected
   Test circuit	IG1 DR1
   Test point 1	Electric parking brake control unit 30P connector No. 24 (YEL)
   Test point 2	Body ground

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

   Is there battery voltage?

   YES 

   The IG1 DR1 wire is OK. Go to step 4.

   NO 

   Repair an open in the wire between the electric parking brake control unit and the driver's under-dash fuse/relay box.

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

   -1. 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 .

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

   -3. Check for DTCs with the HDS.

   DTC Description	DTC
   U3006-13 IG1 Circuit Open

   Is DTC U3006-13 indicated?

   YES 

   Check for loose terminals and poor connections at the electric parking brake control unit. If the electric parking brake control unit was updated, substitute a known-good Electric parking brake control unit , then retest. If the electric parking brake control unit was substituted, go to step 1.

   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 .