DTC C1110-11, C1111-11
DTC C1110-11 : Left Rear Electric Parking Brake Actuator Circuit Short to Ground
DTC C1111-11 : Right Rear Electric Parking Brake Actuator Circuit Short to Ground
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | DTC |
|---|---|
| C1110-11 Left Rear Electric Parking Brake Actuator Circuit Short to Ground | |
| C1111-11 Right Rear Electric Parking Brake Actuator Circuit Short to Ground |
DTC (VSA)
- 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. Apply and release the parking brake several times.
-5. Check for DTCs with the HDS.
DTC Description DTC C1110-11 Left Rear Electric Parking Brake Actuator Circuit Short to Ground DTC Description DTC C1111-11 Right Rear Electric Parking Brake Actuator Circuit Short to Ground Is DTC C1110-11 or C1111-11 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 .
- Shorted wire check (EPB_L_ACT+, EPB_R_ACT+ lines)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connectors.
VSA modulator-control unit 46P connector Appropriate electric parking brake actuator 4P connector -3. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode VSA modulator-control unit 46P connector: disconnected Appropriate electric parking brake actuator 4P connector: disconnected DTC Test point 1 Test point 2 C1110-11 VSA modulator-control unit 46P connector No. 8 Body ground C1111-11 VSA modulator-control unit 46P connector No. 5 Body ground Is there 1 MΩ or more?
YES
The EPB_L_ACT+ and EPB_R_ACT+ wires are OK. Go to step 3.
NO
Repair a short to body ground in the wires between the VSA modulator-control unit and the appropriate electric parking brake actuator.
- Shorted wire check (EPB_L_ACT-, EPB_R_ACT- lines)
-1. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode VSA modulator-control unit 46P connector: disconnected Appropriate electric parking brake actuator 4P connector: disconnected DTC Test point 1 Test point 2 C1110-11 VSA modulator-control unit 46P connector No. 7 Body ground C1111-11 VSA modulator-control unit 46P connector No. 6 Body ground Is there 1 MΩ or more?
YES
Go to step 4.
NO
Repair a short to body ground in the wires between the VSA modulator-control unit and the appropriate electric parking brake actuator.
- Electric parking brake actuator check
-1. Substitute a known-good electric parking brake actuator .
-2. Reconnect the following connectors.
VSA modulator-control unit 46P connector Appropriate electric parking brake actuator 4P connector -3. Turn the vehicle to the ON mode.
-4. Clear the DTC with the HDS.
-5. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
-6. Apply and release the parking brake several times.
-7. Check for DTCs with the HDS.
DTC Description DTC C1110-11 Left Rear Electric Parking Brake Actuator Circuit Short to Ground C1111-11 Right Rear Electric Parking Brake Actuator Circuit Short to Ground Is DTC C1110-11 or C1111-11 indicated?
YES
Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .
NO