DTC C1110-12, C1111-12

DTC C1110-12  : Left-Rear Electric Parking Brake Actuator Circuit Short to Power DTC C1111-12  : Right-Rear Electric Parking Brake Actuator Circuit Short to Power

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. Pull the electric parking brake switch to apply the parking brake, then press the brake pedal and push the electric parking brake switch to release the parking brake.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC
   C1110-12 Left-Rear Electric Parking Brake Actuator Circuit Short to Power
   C1111-12 Right-Rear Electric Parking Brake Actuator Circuit Short to Power

   Is DTC C1110-12 or C1111-12 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. Shorted wire check (EPB L ACT+, EPB R ACT+ lines to power)

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

   -2. Disconnect the following connectors.

   Electric parking brake control unit 30P connector

   Appropriate electric parking brake actuator 2P connector

   -3. Turn the vehicle to the ON mode

   -4. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Electric parking brake control unit 30P connector: disconnected
   	Appropriate electric parking brake actuator 2P connector: disconnected
   Test circuit	EPB L ACT+
   Test point 1	Electric parking brake control unit 30P connector No. 2 (ORN)
   Test point 2	Body ground

   Test circuit	EPB R ACT+
   Test point 1	Electric parking brake control unit 30P connector No. 4 (BLU)
   Test point 2	Body ground

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

   Is there battery voltage?

   YES 

   Repair a short to power in the EPB L ACT+ or EPB R ACT+ wire between the electric parking brake control unit and the appropriate electric parking brake actuator.

   NO 

   Repair a short to power in the EPB L ACT- or EPB R ACT- wire between the electric parking brake control unit and the appropriate electric parking brake actuator.