Honda HR-V: DTC Troubleshooting 81-11: Modulator-Control Unit Internal Circuit
Malfunction
NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Problem verification:
- Turn the vehicle to the ON mode.
- Clear the DTC with the HDS.
- Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- Check for DTCs with the HDS.
Is DTC 81-11 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.
2. VSA modulator-control unit check (update):
- Update the VSA modulator-control unit if it does not have the latest
software.
- Turn the vehicle to the OFF (LOCK) mode, then the ON mode.
- Check for DTCs with the HDS.
Is DTC 81-11 indicated?
YES
Check for loose terminals in the VSA modulator-control unit 21P connector. If
the VSA modulator-control unit was updated and the symptom/indication is still
present, replace the VSA modulator-control
unit.
NO
Troubleshooting is complete. If any other DTCs are indicated, go to the
indicated DTCs troubleshooting.
READ NEXT:
NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle to the OFF (
NOTE:
Before you troubleshoot, review the general troubleshooting information.
The yaw rate-acceleration sensor is built into the VSA modulator-control
unit.
Before troubleshooting, check the VS
NOTE:
Before you troubleshoot, review the general troubleshooting information.
While doing this troubleshooting, avoid vibration or shaking of the
vehicle.
The yaw rate-acceleration sensor is bu
SEE MORE:
Removal & Installation
NOTE: SRS components are located in this area. Review the SRS component
locations - Refer to: SRS
Component Location Index (KA/KC) and the precautions and procedures before doing
repairs or service.
1. 12 Volt Battery Terminal - Disconnect
NOTE: Wait at least 3 minutes b
NOTE: Before you troubleshoot, review the General Troubleshooting Information
for the AWD with
intelligent control system.
1. Problem verification:
Turn the vehicle to the ON mode.
Check the parameter(s) below with the HDS.
Do the current condition(s) match the threshold?
YES
The failure is d