| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001RK1L |
| Model Year Start: 2021 | Model: Avalon HV | Prod Date Range: [08/2020 - ] |
| Title: HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY): P1AFF00; Hybrid/EV Battery ECU Multiple Reset; 2021 - 2022 MY Avalon HV [08/2020 - ] | ||
|
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 |
|---|---|---|---|---|---|
|
P1AFF00 |
Hybrid/EV Battery ECU Multiple Reset |
ECU internal malfunction (1 trip detection logic) |
Battery ECU assembly |
Does not come on |
Master Warning Light: 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
![2021 - 2022 MY Avalon HV [08/2020 - ]; HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY): UTILITY](/t3Portal/stylegraphics/info.gif)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG) and turn the Techstream on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the power switch off and wait for 3 hours or more.
- Turn the power switch on (IG) and turn the Techstream on.
- With power switch on (IG) 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 or N/A, perform driving pattern again.
PROCEDURE
|
1. |
REPLACE BATTERY ECU ASSEMBLY |
Click here
| NEXT |
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END |
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