DTC 81-11: Modulator-Control Unit Internal Circuit Malfunction
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| 81-11 Modulator-Control Unit Internal Circuit Malfunction |
- Problem verification:
- 1. Turn the ignition switch to ON (II).
- 2. Clear the DTC with the HDS.
- 3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
- 4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 81-11 Modulator-Control Unit Internal Circuit Malfunction
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.
- VSA modulator-control unit check (update):
- 1. Update the VSA modulator-control unit if it does not have the latest software See VSA SENSOR NEUTRAL POSITION MEMORIZATION , VSA MODULATOR-CONTROL UNIT UPDATE or VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION .
- 2. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
- 3. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame
Is DTC 81-11 indicated?
YES : Check for loose terminals in the VSA modulator-control unit 38P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit See VSA SENSOR NEUTRAL POSITION MEMORIZATION , VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION or VSA MODULATOR-CONTROL UNIT UPDATE .
NO : Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.