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:
MOONROOF GLASS POSITION ADJUSTMENT
Adjustment
1. Moonroof Glass Position - Check
The roof panel (A) should be even with the glass roof seal (B) to within
0-1/-1
mm (0-0.04/-0.04 in) all the way around. If not, make the following
adjustment:
2. Moonroof Glass Position - Adjust
Slightly lo
1. Keyless access system check.
Turn the vehicle to the OFF (LOCK) mode.
Turn the vehicle to the ON mode.
Check the keyless access indicator.
Does the keyless access indicator come on for 2 seconds?
YES
Go to step 2.
NO
Do the gauge control module self-diagnostic function. If the indicator doe