| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000026PZR |
| Model Year Start: 2023 | Model: Corolla HV | Prod Date Range: [09/2022 - ] |
| Title: HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY with PA10): P1AFF00; Hybrid/EV Battery ECU Multiple Reset; 2023 - 2025 MY Corolla HV [09/2022 - ] | ||
|
DTC |
P1AFF00 |
Hybrid/EV Battery ECU Multiple Reset |
DESCRIPTION
The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Warning Indicate |
Note |
|---|---|---|---|---|---|---|
|
P1AFF00 |
Hybrid/EV Battery ECU Multiple Reset |
ECU internal malfunction (1 trip detection logic) |
Battery ECU assembly |
Does not come on |
Master Warning: Comes on |
SAE Code: P1AFF |
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
![2023 - 2025 MY Corolla HV [09/2022 - ]; HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY with PA10): UTILITY](/t3Portal/stylegraphics/info.gif)
- Connect the GTS to the DLC3.
- Turn the ignition switch to ON and turn the GTS on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for 3 hours or more.
- Turn the ignition switch to ON and turn the GTS on.
- With ignition switch ON and wait for 3 seconds or more.
- Enter the following menus: Powertrain / HV Battery / 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. |
REPLACE BATTERY ECU ASSEMBLY |
Click here
| NEXT |
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END |
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