DTC 8-6

DTC 8-6: F-CAN Malfunction (Active Damper Control Unit Lost Communication with VSA Modulator-control Unit)
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Start the engine, and wait 5 seconds.
5. Check for DTCs with the HDS.

Is DTC 8-6 indicated?

YES - Go to step 6.

NO - Intermittent failure at this time. Check for poor or loose connections between the VSA modulator-control unit and the active damper control unit.

6. Check for VSA system DTCs with the HDS.

Are any VSA system DTCs indicated?

YES - Go to the indicated DTC's troubleshooting, then go to step 17.

NO - Go to step 7.

7. Turn the ignition switch OFF.
8. Wait 30 seconds or more.
9. Disconnect the VSA modulator-control unit 46P connector.
10. Disconnect active damper control unit connector B (14P) connector.
11. Check for continuity between the active damper control unit connector B (14P) terminals and the VSA modulator-control unit 46P connector terminals individually (see table).





Is there continuity?

YES - Go to step 12

NO - Repair open in the wire between the VSA modulator-control unit and the active damper control unit.

12. Substitute a known-good active damper control unit.
13. Reconnect all connectors.
14. Turn the ignition switch ON (II).
15. Clear the DTC with the HDS.
16. Start the engine, and wait 5 seconds.
17. Check for DTCs with the HDS.

Is DTC 8-6 indicated?

YES - Replacement the VSA modulator-control unit.

NO - Replacement the original active damper control unit.