| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001OR0Q |
| Model Year Start: 2020 | Model: RAV4 HV | Prod Date Range: [06/2020 - ] |
| Title: HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): P1C2E46; Motor Generator ECU(EEPROM) Calibration / Parameter Memory Failure; 2020 - 2025 MY RAV4 HV [06/2020 - ] | ||
|
DTC |
P1C2E46 |
Motor Generator ECU(EEPROM) Calibration / Parameter Memory Failure |
DESCRIPTION
The motor generator control ECU monitors its internal operation and will store this DTC if it detects a malfunction in its EEPROM.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Warning Indicate |
|---|---|---|---|---|---|
|
P1C2E46 |
Motor Generator ECU(EEPROM) Calibration / Parameter Memory Failure |
ECU internal malfunction (EEPROM error) (2 trip detection logic) |
Inverter with converter assembly |
Does not come on |
Master Warning: Comes on |
CONFIRMATION DRIVING PATTERN
HINT:
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Click here
![2020 - 2025 MY RAV4 HV [06/2020 - ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY](/t3Portal/stylegraphics/info.gif)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON and turn the Techstream on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON and turn the Techstream on.
- With ignition switch ON and wait for 5 seconds or more.
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON and wait for 5 seconds or more.
- Enter the following menus: Powertrain / Motor Generator / Utility / All Readiness.
-
Check the DTC judgment result.
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE, perform driving pattern again.
PROCEDURE
|
1. |
CHECK AUXILIARY BATTERY VOLTAGE |
Click here
HINT:
If the auxiliary battery voltage inspection results are normal, perform the next step.
|
|
2. |
CLEAR DTC |
(a) Clear the DTCs.
Powertrain > Motor Generator > Clear DTCs
(b) Turn the ignition switch off and wait for 2 minutes or more.
|
|
3. |
SIMULATION TEST |
(a) Turn the ignition switch to ON and wait for 5 seconds or more.
(b) Turn the ignition switch off and wait for 2 minutes or more.
(c) Turn the ignition switch to ON and wait for 5 seconds or more.
(d) Check for DTCs.
Powertrain > Motor Generator > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
P1C2E46 is output. |
A |
|
P1C2E46 is not output. |
B |
(e) Turn the ignition switch off.
| A |
|
REPLACE INVERTER WITH CONVERTER ASSEMBLY
|
| B |
|
|
|