| Symptom | Suspected Area | See page |
|---|---|---|
| Cannot enter EV drive mode | CAN communication system | w/ Central Gateway ECU |
| w/o Central Gateway ECU |
||
| Combination meter assembly | ||
| EV drive mode switch (integration control and panel assembly) | ||
| Pattern select switch EV mode circuit | ||
| EV mode indicator light does not illuminate | Combination meter assembly | |
| EV drive mode switch (integration control and panel assembly) | ||
| Pattern select switch EV mode circuit | ||
| EV mode indicator light does not turn off | Combination meter assembly | |
| EV drive mode switch (integration control and panel assembly) | ||
| Pattern select switch EV mode circuit | ||
| Cannot enter SPORT mode | CAN communication system | w/ Central Gateway ECU |
| w/o Central Gateway ECU |
||
| Combination meter assembly | ||
| SPORT mode switch (integration control and panel assembly) | ||
| Pattern select switch SPORT mode circuit | ||
| SPORT mode indicator light does not illuminate | Combination meter assembly | |
| SPORT mode switch (integration control and panel assembly) | ||
| Pattern select switch SPORT mode circuit | ||
| SPORT mode indicator light does not turn off | Combination meter assembly | |
| SPORT mode switch (integration control and panel assembly) | ||
| Pattern select switch SPORT mode circuit | ||
| Cannot enter ECO drive mode | CAN communication system | w/ Central Gateway ECU |
| w/o Central Gateway ECU |
||
| Combination meter assembly | ||
| ECO mode switch (integration control and panel assembly) | ||
| Pattern select switch ECO mode circuit | ||
| ECO mode indicator light does not illuminate | Combination meter assembly | |
| ECO mode switch (integration control and panel assembly) | ||
| Pattern select switch ECO mode circuit | ||
| ECO mode indicator light does not turn off | Combination meter assembly | |
| ECO mode switch (integration control and panel assembly) | ||
| Pattern select switch ECO mode circuit | ||
| S mode cannot be selected | Transmission control switch circuit | |
| Cannot select between different ranges (in S mode) | Transmission control switch circuit | |
| Hunting (Poor idle) | Drive start control system | |
| Hesitation and/or poor acceleration | Brake override system | |
| Drive start control system | ||
| Shift position indicator is malfunction | Indicator circuit | |
| Loud rattle from hybrid vehicle transaxle | Loud Rattle from Hybrid Vehicle Transmission | |
| Transmission input damper assembly | ||
| Hybrid vehicle transaxle assembly | ||
| Power switch does not turn on (READY). | Battery smart unit (wrong assembly confirmation)* | |
| Smart entry and start system (for start function) | ||
| ECU power source circuit | ||
| Hybrid vehicle control ECU assembly | ||
| ECM |
*: Check the part number of the battery smart unit.
If the battery smart unit had been replaced just before the malfunction occurred, check the part number of the battery smart unit.
Using the GTS, check the vehicle control history. Click here
Tech Tips
If "Battery Smart Unit Mismatch" is displayed, the wrong type of battery smart unit is installed.
After installing the battery smart unit, perform the following to check that the power switch can be turned on (READY).
Turn the power switch on (READY).
Turn the power switch off and wait for 30 seconds or more.
Turn the power switch on (READY) again.
Tech Tips
The type of battery smart unit to be used varies depending on the vehicle model.
If the wrong type of battery smart unit is installed, the power switch cannot be turned on (READY).