Honda HR-V: Electric Parking Brake Symptom Troubleshooting - Electric Parking
Brake Indicator Does Not Come ON
1. Gauge control module operation check.
- Do the gauge control module self-diagnostic function.
Is the gauge control module OK?
YES
Go to step 2.
NO
Replace the gauge control module.
2. Open wire check (PARK LAMP line).
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connectors.
Electric parking brake control unit 30P connector
Gauge control module connector A (32P)
- Check for continuity between test points 1 and 2.
Is there continuity?
YES
Go to step 3.
NO
Repair an open in the PARK LAMP wire between the electric parking brake
control unit and the gauge
control module.
3. Open wire check (GND lines).
- Reconnect the following connectors.
Electric parking brake control unit 30P connector
Gauge control module connector A (32P)
- Turn the vehicle to the ON mode.
- Measure the voltage between test points 1 and 2.
Is there 0.1 V or more?
YES
Repair an open or high resistance in the GND wires between the electric
parking brake control unit and
body ground (G503) or loose the ground bolt.
NO
The GND wires are OK. Go to step 4.
4. Electric parking brake control unit check (update or substitution).
- 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.
- Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- Check the electric parking brake indicator.
Does the electric parking brake indicator come on?
YES
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.
NO
Check for loose terminals and poor connections in the electric parking brake
control unit 30P connector.
If the electric parking brake control unit was updated, substitute a known-good
electric parking brake
control unit and recheck. If the electric parking brake control unit was
substituted and the
symptom/indication is still present, replace the original electric parking brake
control unit.
READ NEXT:
1. DTC check.
Turn the vehicle to the ON mode.
Check for DTCs with the HDS.
Are there DTCs indicated?
YES
Go to indicated DTC's troubleshooting.
NO
Go to step 2.
2. Gauge control module operation
1. Problem verification.
Start the engine.
Check the electric parking brake system indicator.
Does the electric parking brake system indicator come on, then go off?
YES
Intermittent failure, the s
ELECTRIC PARKING BRAKE CONTROL UNIT CONNECTOR FOR INPUTS AND OUTPUTS
Electric Parking Brake Control Unit Inputs and Outputs for 30P Connector
(Connector Disconnected)
*1: M/T
*1: M/T
ELECTRIC PAR
SEE MORE:
NOTE:
Check the vehicle 12 volt battery condition first.
Check for aftermarket accessories plugged into the vehicle accessory
power sockets.
Check the radio reception in an open area. Compare it to a known-good
vehicle whenever possible. Poor reception/interference can be caused by the
fol
Test
Motor Test
1. Driver's Door Panel - Remove
2. Driver's Power Window Motor - Test
Test the motor in each direction by connecting 12 volt battery power
and ground to the connector (A) according to the table. When the motor
stops running, disconnect 12 volt battery power immediately.
If th