Problem Symptoms Table [08/2013 - ]
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
HYBRID CONTROL SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Cannot enter EV drive mode | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] | |
| EV drive mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch EV mode circuit | Refer to Pattern Select Switch EV Mode Circuit [08/2013 - ] | |
| EV mode indicator light does not illuminate | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| EV drive mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch EV mode circuit | Refer to Pattern Select Switch EV Mode Circuit [08/2013 - ] | |
| EV mode indicator light does not turn off | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| EV drive mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch EV mode circuit | Refer to Pattern Select Switch EV Mode Circuit [08/2013 - ] | |
| Cannot enter SPORT mode | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] | |
| SPORT mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch SPORT mode circuit | Refer to Pattern Select Switch Sport Mode Circuit [08/2013 - ] | |
| SPORT mode indicator light does not illuminate | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| SPORT mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch SPORT mode circuit | Refer to Pattern Select Switch Sport Mode Circuit [08/2013 - ] | |
| SPORT mode indicator light does not turn off | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| SPORT mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch SPORT mode circuit | Refer to Pattern Select Switch Sport Mode Circuit [08/2013 - ] | |
| Cannot enter ECO drive mode | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] | |
| ECO mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch ECO mode circuit | Refer to Pattern Select Switch Eco Mode Circuit [08/2013 - ] | |
| ECO mode indicator light does not illuminate | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| ECO mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch ECO mode circuit | Refer to Pattern Select Switch Eco Mode Circuit [08/2013 - ] | |
| ECO mode indicator light does not turn off | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| ECO mode switch (integration control and panel assembly) | Refer to INSPECTION [08/2013 - ] | |
| Pattern select switch ECO mode circuit | Refer to Pattern Select Switch Eco Mode Circuit [08/2013 - ] | |
| S mode cannot be selected | Transmission control switch circuit | Refer to Transmission Control Switch Circuit [08/2013 - ] |
| Cannot select between different ranges (in S mode) | Transmission control switch circuit | Refer to Transmission Control Switch Circuit [08/2013 - ] |
| Hesitation and/or poor acceleration | Brake override system | Refer to Brake Override System [08/2013 - ] |
| Loud rattle from hybrid vehicle transaxle | Loud Rattle from Hybrid Vehicle Transmission | Refer to Loud Rattle from Hybrid Vehicle Transmission [08/2013 - ] |
| Transmission input damper assembly | Refer to COMPONENTS [08/2013 - ] | |
| Hybrid vehicle transaxle assembly | Refer to COMPONENTS [08/2013 - ] | |
| Power switch does not turn on (READY). | Smart access system with push-button start (for start function) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| ECU power source circuit | Refer to ECU Power Source Circuit [08/2013 - ] | |
| Power management control ECU | Refer to COMPONENTS [08/2013 - ] | |
| ECM | Refer to COMPONENTS [08/2013 - ] |