Operation CHARM: Car repair manuals for everyone.

DTC 86

DTC 86: F-CAN Communication
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF, then ON (II) again.
4. Check for DTCs with the HDS.
Is DTC 86 indicated?
YES - Go to step 5.
NO - The system is OK at this time.

5. Start and run the engine for at least 5 seconds then turn the engine off.
6. Check for DTCs with the HDS.
Is DTC 86 indicated?
YES - Go to step 7.
NO - Intermittent failure, the F-CAN communication line is OK at this time.

7. Check for the fuel and emission systems DTCs with the HDS.
Are any PCM DTCs indicated?
YES - Do the appropriate troubleshooting for the PCM.
NO - Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and retest.