| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001N31U |
| Model Year Start: 2021 | Model: Corolla | Prod Date Range: [04/2020 - 09/2022] |
| Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY with P610): PROBLEM SYMPTOMS TABLE; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022] | ||
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 drive mode switch (Combination switch assembly) |
|
|
|
Combination meter assembly |
|
|
|
EV mode indicator light does not illuminate |
Combination meter assembly |
|
|
EV drive mode switch (Combination switch assembly) |
|
|
|
Pattern Select Switch EV Mode Circuit |
|
|
|
EV mode indicator light does not turn off |
Combination meter assembly |
|
|
EV drive mode switch (Combination switch assembly) |
|
|
|
Pattern Select Switch EV Mode Circuit |
|
|
|
Cannot enter SPORT/ECO mode |
CAN Communication System |
|
|
Drive mode select switch (Combination switch assembly) |
|
|
|
Drive Mode Select Switch Circuit |
|
|
|
Combination meter assembly |
|
|
|
SPORT/ECO mode indicator light does not illuminate |
Drive mode select switch (Combination switch assembly) |
|
|
Drive Mode Select Switch Circuit |
|
|
|
Combination meter assembly |
|
|
|
SPORT/ECO mode indicator light does not turn off |
Drive mode select switch (Combination switch assembly) |
|
|
Drive Mode Select Switch 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 position indicator is malfunctioning |
Indicator Circuit |
|
|
Power switch does not turn on (READY). |
Smart Key System (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 |
- |
![2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
*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 |
||
|
|