Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Hybrid Control System| Symptom | Suspected Area | Link |
|---|---|---|
| Cannot enter EV drive mode | CAN communication system | |
| Pattern Select Switch EV Mode Circuit | | |
| EV mode switch | | |
| Combination meter assembly | | |
| EV mode indicator light does not illuminate | Combination meter assembly | |
| EV mode switch | | |
| Pattern Select Switch EV Mode Circuit | | |
| EV mode indicator light does not turn off | Combination meter assembly | |
| EV mode switch | | |
| Pattern Select Switch EV Mode Circuit | | |
| Cannot enter ECO mode | CAN communication system | |
| Drive mode switch (ECO mode switch) | | |
| Pattern Select Switch Eco Mode Circuit | | |
| Combination meter assembly | | |
| ECO mode indicator light does not illuminate | Drive mode switch (ECO mode switch) | |
| Pattern Select Switch Eco Mode Circuit | | |
| Combination meter assembly | | |
| ECO mode indicator light does not turn off | Drive mode switch (ECO mode switch) | |
| Pattern Select Switch Eco Mode Circuit | | |
| Combination meter assembly | | |
| Cannot enter SPORT mode | CAN communication system | |
| Drive mode switch (SPORT mode switch) | | |
| Pattern Select Switch Sport Mode Circuit | | |
| Combination meter assembly | | |
| SPORT mode indicator light does not illuminate | Drive mode switch (SPORT mode switch) | |
| Pattern Select Switch Sport Mode Circuit | | |
| Combination meter assembly | | |
| SPORT mode indicator light does not turn off | Drive mode switch (SPORT mode switch) | |
| Pattern Select Switch Sport Mode Circuit | | |
| Combination meter assembly | | |
| Hunting (Poor idle) | Check for Diagnosis Related Information*1 | |
| Drive Start Control | | |
| Hesitation and/or poor acceleration | Check for Diagnosis Related Information*1 | |
| Brake Override System | | |
| Drive Start Control | | |
| Shift range position cannot be changed by shifting to "+"or "-" | Transmission Control Switch Circuit | |
| Shift Paddle Switch Circuit | | |
| Shift position indicator is malfunctioning | Indicator Circuit | |
| Power switch does not turn on (READY). | Smart Access System with Push-button Start (for start function) | |
| ECU Power Source Circuit (Hybrid control system) | | |
| Hybrid vehicle control ECU | | |
| ECM | | |
| Loud rattle from hybrid vehicle transaxle | Check idle learning | |
| Transmission input damper assembly | | |
| Hybrid vehicle transaxle assembly | | |
| Engine misfire | - |
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*1: If any of the following Diagnosis Related Information items are output, perform troubleshooting for the corresponding DTCs.
Result| Result | Link | |
|---|---|---|
| Hybrid control system | P312387 | |
| Motor generator control system | P31241F | |
| P312487 | ||
