CHECK VEHICLE CONTROL HISTORY (ENGINE CONTROL SYSTEM)
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Utility / Vehicle Control History (RoB).
| Tester Display |
|---|
| Vehicle Control History (RoB) |
| Tester Display | Measurement Item | Diagnostic Note |
|---|---|---|
| Auxiliary Battery Voltage Low at Start | History of low battery voltage at engine control system start | - |
| Auxiliary Battery Voltage Low at IG OFF | History of low battery voltage when engine switch off | - |
| Auxiliary Battery Discharge at IG OFF | History of battery becoming discharged when engine switch off | - |
| Auxiliary Battery Discharge at Running | History of battery becoming discharged while vehicle being driven | - |
CLEAR VEHICLE CONTROL HISTORY (ENGINE CONTROL SYSTEM)
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Enter the following menus: Powertrain / Engine / Utility / Vehicle Control History (Clear).
Note
By performing this procedure, all stored Vehicle Control History items will be cleared.
VEHICLE CONTROL HISTORY FREEZE FRAME DATA (ENGINE CONTROL SYSTEM)
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Utility / Vehicle Control History.
Select a vehicle control history item to access the applicable freeze frame data.
Check the freeze frame Data recorded with the Vehicle Control History.
| GTS Display | Description |
|---|---|
| Total Distance Traveled | Driving distance |
| Total Distance Traveled - Unit | Unit of driving distance |
| Initial Engine Battery Minimum Voltage | Minimum voltage at engine start |
| Alternator Voltage - Non Active Test | Requested voltage when the regulator forced operation is not executed |
| Alternator Output Duty Ratio | LIN terminal output (power generation rate) |
| Auxiliary Battery Voltage | Battery voltage (+B1, +B2 terminal) |
| Auxiliary Battery Integrated Current | Battery capacity taking into account battery deterioration. |
| Smoothed Value of Auxiliary Battery Temperature | Calculated battery fluid temperature by battery fluid temperature sensor |
| Auxiliary Battery Charge Rate | Battery charge percentage calculated by battery sensor |
| Auxiliary Battery Charging Rate Accuracy | Accuracy of battery charge percentage calculated by battery sensor |
| Auxiliary Battery Charging Capacity | Battery charging capacity calculated by battery sensor |
| Charging Control Mode | Status of charging control |
| Average Vehicle Speed during Trip | Average vehicle speed after engine starts during the current trip |
| Auxiliary Battery Integrated Current during Trip | Integrated current value detected by the battery state sensor during the current trip |
| Auxiliary Battery Charging Integrated Current when Trip before Last | Integrated current charged during the previous trip |
| Auxiliary Battery Discharging Integrated Current when Trip before Last | Integrated current discharged during the previous trip |
| Auxiliary Battery Capacity after IG ON | Battery capacity immediately after engine switch on (IG) |
| Auxiliary Battery Capacity after IG OFF | Battery capacity immediately after engine switch off |
| Estimated Open Ended Auxiliary Battery Voltage when IG OFF | Estimated battery release voltage calculated when engine switch is off by the battery sensor |
| Auxiliary Battery Average Current during IG OFF | Average current while parked (average value of current consumed from when the engine switch is off until lit is on (IG)) |
| IG OFF Time just before IG ON | Parking duration (duration from when the engine switch is off until it is on (IG)) |
| Auxiliary Battery Average Current when Auxiliary Battery Voltage Low (during IG OFF) | Average current when system judges that voltage is low while parked (average current value when the engine switch is off until the system judges the voltage is low while parked) |
| IG OFF Time when Auxiliary Battery Voltage Low (during IG OFF) | Parking duration when system judges that voltage is low while parked (duration from when the engine switch is off until the system judges the voltage is low while parked) |
| Elapsed Time during Auxiliary Battery Voltage Low | Duration that the voltage detected by the battery state sensor while the vehicle is in motion is below the threshold (example: 11 V) |
| Average Engine Speed | Average engine speed after engine starts during the current trip |
CHECK VEHICLE CONTROL HISTORY (SRS AIRBAG)
Tech Tips
A part of the control history can be confirmed using the vehicle control history.