Honda HR-V Owners & Service Manuals

Honda HR-V: DTC Troubleshooting C1100-54: Piston Position Not Learned

Honda HR-V (2015-2021) Service Manual / Brakes / VSA System - Diagnostics / DTC Troubleshooting / DTC Troubleshooting C1100-54: Piston Position Not Learned

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

VSA System - Diagnostics

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.

VSA System - Diagnostics

Is DTC C1100-54 indicated?

YES

The failure is duplicated. 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, then recheck.

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.

DTC TROUBLESHOOTING C1100-94: ELECTRIC PARKING BRAKE ACTUATOR MALFUNCTION

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

VSA System - Diagnostics

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.

VSA System - Diagnostics

Is DTC C1100-94 indicated?

YES

The failure is duplicated. If DTC C1110-11, C1110-12, C1110-13, C1110-96, C1111-11, C1111-12, C1111-13, or C1111-96 are also indicated, go to indicated DTCs troubleshooting.

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.

DTC TROUBLESHOOTING C1110-11, C1111-11: ELECTRIC PARKING BRAKE ACTUATOR CIRCUIT SHORT TO GROUND

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

VSA System - Diagnostics

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. 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.

VSA System - Diagnostics

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. 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. Shorted wire check (EPB L ACT+, EPB R ACT+ lines):

  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

  1. Check for continuity between test points 1 and 2.

VSA System - Diagnostics

Is there continuity?

YES

Repair a short to body ground in the EPB L ACT+ and/or EPB R ACT+ wires between the electric parking brake control unit and the appropriate electric parking brake actuator.

NO

The EPB L ACT+ and EPB R ACT+ wires are OK. Go to step 3.

3. Shorted wire check (EPB L ACT-, EPB R ACT- lines):

Check for continuity between test points 1 and 2.

VSA System - Diagnostics

Is there continuity?

YES

Repair a short to body ground in the EPB L ACT- and/or EPB R ACT- wires between the electric parking brake control unit and the appropriate electric parking brake actuator.

NO

Replace the appropriate electric parking brake actuator.

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