VEHICLE CONTROL HISTORY (HYBRID CONTROL SYSTEM)
Connect the GTS to the DLC3.
Turn the ignition switch to ON (IG).
Enter the following menus: Powertrain / Hybrid Control / Utility / Vehicle Control History.
| GTS Display | Measurement Item | Diagnostic Note |
| Battery Smart Unit Mismatch | Displays if the wrong type of battery smart unit is installed. | - |
| Hybrid Battery Cooling Fan Performance Decrement | Stored when the go to service warning light is illuminated. | If go to service warning light in the combination meter assembly illuminates, perform the following procedures.
Afterwards, clear the DTCs to reset the learning values even if no DTCs are stored. |