Honda HR-V: DTC Troubleshooting 81-13: Modulator-Control Unit Internal Circuit
Malfunction
NOTE: Before you troubleshoot, review the general troubleshooting
information.
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1. Problem verification:
- Turn the vehicle to the ON mode.
- Clear the DTC with the HDS.
- Turn the vehicle to the OFF (LOCK) mode.
- Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
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Is DTC 81-13 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.
- Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
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Is DTC 81-13 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.
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
NOTE:
Troubleshoot any PGM-FI, AT or CVT DTCs first.
Before you troubleshoot, review the general troubleshooting information.
VSA will set 83-11 if any PGM -FI DTC's exist.
VSA will set 83-12 if
SEE MORE:
Special Tools Required
Snap Ring Pliers 07LGC-
0010100
Replacement
NOTE: Apply a light coat of clean transmission fluid on all parts before
installation.
1. Torque Converter Housing Bearing - Remove
While expanding the snap ring (A) using the snap ring pliers, remove
the torque converter housi
DCLV
Deceleration Valve
DCS
Deceleration Control System
DDI
Direct Diesel Injection
DFI
Direct Diesel Injection
DI
Direct Injection
DKV
Deceleration Kick Valve
DLCV
Deceleration Mixture Control Valve
DM-TL
Diagnostic Module Tank Leakage
DMS
Dual Manifold System
DOC
Diesel Oxidation Catalyst
DOHC
Dua