DTC 86
DTC 86: F-CAN Communication1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Start the engine.
5. Wait at least 5 seconds.
6. Check for DTCs with the HDS.
Is DTC 86 indicated?
YES - Go to step 7.
NO - Intermittent failure, the system is OK at this time. Check for a loose connection at G202.
7. Check for fuel and emissions systems DTCs with the HDS.
Are any DTCs indicated?
YES - Do the applicable troubleshooting for the PCM.
NO - Go to step 8.
8. Turn the ignition switch to LOCK (0).
9. Disconnect the yaw rate-lateral acceleration sensor 4P connector.
10. Turn the ignition switch to ON (II).
11. Measure the voltage between yaw rate-lateral acceleration sensor 4P connector terminal No. 1 and body ground.
Is there battery voltage?
YES - Go to step 12.
NO - Repair open in the wire between No. 4 (7.5 A) fuse in the under-dash fuse/relay box and the yaw rate-lateral acceleration sensor.
12. Turn the ignition switch to LOCK (0).
13. Check for continuity between yaw rate-lateral acceleration sensor 4P connector terminal No. 4 and body ground.
Is there continuity?
YES - Go to step 14.
NO - Repair open in the wire between the yaw rate-lateral acceleration sensor and body ground (G552).
14. Check for continuity between the appropriate DLC terminals and yaw rate-lateral acceleration sensor 4P connector terminals respectively (see table).
Is there continuity?
YES - Go to step 15.
NO - Repair open in the wire between DLC and the yaw rate-lateral acceleration sensor.
15. Disconnect the VSA modulator-control unit 46P connector.
16. Check for continuity between the appropriate VSA modulator-control unit 46P connector terminals and DLC terminals respectively (see table).
Is there continuity?
YES - Go to step 17.
NO - Repair open in the wire between VSA modulator-control unit and DLC.
17. Connect the VSA modulator-control unit 46P connector.
18. Turn the ignition switch to ON (II).
19. Clear the DTC with the HDS.
20. Turn the ignition switch to LOCK
21. Start the engine.
22. Wait at least 5 seconds.
23. Check for DTCs with the HDS.
Is DTC 86 indicated?
YES - Replace the VSA modulator-control unit.
NO - The system is OK at this time.