DTC U3006-13

DTC U3006-13  : IG1 Circuit Open

NOTE: Before you troubleshoot, review the general troubleshooting information .

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 to 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. F13 (7.5 A)
   Location	Rear 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 ON mode, then to the OFF (LOCK) mode. If the fuse blows again, repair a short to ground in the No. F13 (7.5 A) fuse circuit.

3. Open wire check (IG1 ECU RR 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 point 1	Electric parking brake control unit 30P connector No. 24
   Test point 2	Body ground

   Is there battery voltage?

   YES 

   The IG1 ECU RR wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good electric parking brake control unit , then recheck. If the symptom/indication goes away with a known-good electric parking brake control unit, replace the original electric parking brake control unit .

   NO 

   Repair an open in the wire between the electric parking brake control unit and the rear fuse/relay box.