DTC 85
DTC 85: CAN Data Error1. Turn the ignition switch ON (II).
2. Check for DTCs in the ECM/PCM with the HDS.
Are there any DTCs indicated?
YES - Go to the indicated ECM/PCM troubleshooting.
NO - Go to step 3.
3. Clear the DTC with the HDS.
4. Turn the ignition switch OFF, then turn the ignition switch ON (II) again.
5. Wait about 5 seconds.
6. Check for DTCs with the HDS.
Is DTC 85 indicated?
YES - Go to step 7.
NO - The system is OK at this time.
7. Test-drive the vehicle.
Does the speedometer work?
YES - Go to step 11.
NO - Go to step 8.
8. Turn the ignition switch OFF.
9. Disconnect TPMS control unit connector A (14P), and connector B (20P).
10. Test-drive the vehicle.
Does the speedometer work?
YES - Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit, and recheck.
NO - Substitute a known-good ECM/PCM and recheck.
11. Turn the ignition switch OFF.
12. Short the SCS line with the HDS.
13. Disconnect ECM/PCM connector E (31P).
14. Disconnect TPMS control unit connector B (20P).
15. Check for continuity between the TPMS control unit connector B (20P) terminals and the ECM/PCM connector E (31P) terminals individually. (see table).
Is there continuity?
YES - Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit, and recheck.
NO - Repair open in the wire between TPMS control unit and the ECM/PCM.