Problem Symptoms Table [12/2019 - 10/2022]
WARNING: This page is about a different variant/trim than selected.
HYBRID CONTROL SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Cannot enter EV mode | CAN Communication System | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022] |
| Pattern Select Switch EV Mode Circuit | Refer to Pattern Select Switch EV Mode Circuit [12/2019 - 11/2023] | |
| EV drive mode switch (Pattern select switch assembly) | Refer to INSPECTION [12/2019 - ] | |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] | |
| EV mode indicator light does not illuminate | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] |
| EV drive mode switch (Pattern select switch assembly) | Refer to INSPECTION [12/2019 - ] | |
| Pattern Select Switch EV Mode Circuit | Refer to Pattern Select Switch EV Mode Circuit [12/2019 - 11/2023] | |
| EV mode indicator light does not turn off | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] |
| EV drive mode switch (Pattern select switch assembly) | Refer to INSPECTION [12/2019 - ] | |
| Pattern Select Switch EV Mode Circuit | Refer to Pattern Select Switch EV Mode Circuit [12/2019 - 11/2023] | |
| Cannot enter Sport/Eco mode | CAN Communication System | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022] |
| Drive mode select switch (No. 1 pattern select switch assembly) | Refer to INSPECTION [12/2019 - ] | |
| Drive Mode Select Switch Circuit | Refer to Drive Mode Select Switch Circuit [12/2019 - 11/2023] | |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] | |
| Sport/Eco mode indicator light does not illuminate | Drive mode select switch (No. 1 pattern select switch assembly) | Refer to INSPECTION [12/2019 - ] |
| Drive Mode Select Switch Circuit | Refer to Drive Mode Select Switch Circuit [12/2019 - 11/2023] | |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] | |
| Sport/Eco mode indicator light does not turn off | Drive mode select switch (No. 1 pattern select switch assembly) | Refer to INSPECTION [12/2019 - ] |
| Drive Mode Select Switch Circuit | Refer to Drive Mode Select Switch Circuit [12/2019 - 11/2023] | |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] | |
| Hunting (Poor idle) | Check for Diagnosis Related Information*3 | Refer to UTILITY [12/2019 - 11/2023] Refer to UTILITY [12/2019 - 11/2023] |
| Drive Start Control | Refer to Drive Start Control [12/2019 - 10/2022] | |
| Hesitation and/or poor acceleration | Check for Diagnosis Related Information*3 | Refer to UTILITY [12/2019 - 11/2023] Refer to UTILITY [12/2019 - 11/2023] |
| Brake Override System | Refer to Brake Override System [12/2019 - 10/2022] | |
| Drive Start Control | Refer to Drive Start Control [12/2019 - 10/2022] | |
| Shift range position cannot be changed by shifting to "+" or "-" | Transmission Control Switch Circuit | Refer to Transmission Control Switch Circuit [12/2019 - 11/2023] |
| Shift position indicator is malfunctioning | Indicator circuit | Refer to Indicator Circuit [12/2019 - 11/2023] |
| Ignition switch does not turn ON (READY) | Check vehicle control history (wrong assembly confirmation)*1 | Refer to REMOVAL [12/2019 - 10/2022] |
| Smart Key System (for Start Function) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 11/2023] | |
| ECU Power Source Circuit (Hybrid Control System) | Refer to ECU Power Source Circuit [12/2019 - 11/2023] | |
| Hybrid vehicle control ECU | Refer to REMOVAL [12/2019 - 10/2022] | |
| ECM | Refer to REMOVAL [12/2019 - 10/2022] | |
| Loud rattle from hybrid vehicle transaxle | Check idle learning | Refer to INITIALIZATION [12/2019 - 10/2021] , or refer to INITIALIZATION [10/2021 - ] |
| Transmission input damper assembly | Refer to REMOVAL [12/2019 - 10/2022] | |
| Hybrid vehicle transaxle assembly | Refer to REMOVAL [12/2019 - 10/2022] | |
| Engine misfire | - | |
| "Maintenance Required for Traction Battery Cooling Parts See Owner's Manual" is displayed on the multi-information display.*2 | 1. Make sure the HV battery cooling system intake port is not blocked. | - |
| 2. Make sure there are no gaps between the connecting parts of the ducts. | - | |
| 3. Clean the No. 2 hybrid battery intake filter. Check for entry of foreign matter. |
Refer to INSPECTION [12/2019 - ] | |
| 4. Clear the DTCs to reset the learning values even if no DTCs are stored. | Refer to DTC CHECK / CLEAR [12/2019 - 11/2023] | |
| Abnormal sound is heard from the area around the No. 1 hybrid battery intake duct. | 1. Make sure the HV battery cooling system intake port is not blocked. | - |
| 2. Make sure there are no gaps between the connecting parts of the ducts. | - | |
| 3. Clean the No. 2 hybrid battery intake filter. Check for entry of foreign matter. |
Refer to INSPECTION [12/2019 - ] | |
| 4. Clear the DTCs to reset the learning values even if no DTCs are stored. | Refer to DTC CHECK / CLEAR [12/2019 - 11/2023] | |
| Engine stops and starts less frequently. | Check Vehicle Control History (Limit to Charge / Discharge Control Value by Hybrid Battery Temperature High) |
Refer to VEHICLE CONTROL HISTORY [12/2019 - 11/2023] |
| Engine speed returns to idle slowly after accelerator pedal is fully released. | Check Vehicle Control History (Limit to Charge / Discharge Control Value by Hybrid Battery Temperature High) |
Refer to VEHICLE CONTROL HISTORY [12/2019 - 11/2023] |
*1: Check Vehicle Control History (wrong assembly confirmation)
- Using the GTS, check the Vehicle Control History.
Refer to VEHICLE CONTROL HISTORY [12/2019 - 11/2023]
HINT:
If "Hybrid Battery Pack Sensor Module Mismatch" is displayed, the wrong type of battery voltage sensor is installed.
- If the battery voltage sensor had been replaced just before the malfunction occurred, check the part number of the battery voltage sensor.
HINT:
- The type of battery voltage sensor to be used varies depending on the vehicle model.
- If the wrong type of battery voltage sensor is installed, the ignition switch cannot be turned to ON (READY).
- After installing the battery voltage sensor, perform the following to check that the ignition switch can be turned to ON (READY).
- Turn the ignition switch to ON (READY).
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON (READY) again.
*2: If the battery cooling blower assembly malfunctions, DTC P0A81-00, P0A81-11, P0A81-15, P0A81-4B, P0A81-96, P0A81-98, P0A96-00, P0A96-11, P0A96-15, P0A96-4B, P0A96-96 or P0A96-98 will be stored. If only "Maintenance Required for Traction Battery Cooling Parts See Owner's Manual" is displayed on the multi-information display, only perform the inspection of the HV battery cooling system intake port, filter and duct.
*3: If any of the following Diagnosis Related Information items are output, perform troubleshooting for the corresponding DTCs.
RESULT
| Result | Link | |
|---|---|---|
| Hybrid Control System | P3123-87 | Refer to DTC P3123-87: Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message [12/2019 - 11/2023] |
| Motor Generator Control System | P3124-1F | Refer to DTC P3124-1F: Lost Communication between Drive Motor "A" and HV ECU Circuit Intermittent; DTC P3124-87: Lost Communication between Drive Motor "A" and HV ECU Missing Message [12/2019 - 11/2023] |
| P3124-87 | ||