Toyota Corolla Cross: High Voltage Fuse Accumulated Load History (P0A9563)
DESCRIPTION
The battery ECU assembly estimates the thermal load of the high voltage fuse. If the accumulated thermal load exceeds the threshold, the battery ECU assembly will store this DTC.
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DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area | MIL |
Warning Indicate | Note |
|---|---|---|---|---|---|---|
|
P0A9563 | High Voltage Fuse Accumulated Load History |
Accumulated thermal load of the high voltage fuse estimated by the battery ECU assembly exceeds the threshold. (1 trip detection logic) |
HV battery junction block assembly |
Does not come on | Master Warning: Does not come on | SAE Code: P0A95 |
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.
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- 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 2 minutes or more.
- Turn the ignition switch to ON and turn the GTS on.
- With ignition switch ON and wait for 5 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.
CAUTION / NOTICE / HINT
HINT:
If the HV battery junction block assembly has been replaced, make sure to perform "High Voltage Fuse Accumulated Load History Reset" and then clear the DTCs.
PROCEDURE
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1. | REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY |
Click here
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2. | PERFORM UTILITY (HIGH VOLTAGE FUSE ACCUMULATED LOAD HISTORY RESET) |
Click here
|
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3. | CLEAR DTC (HV BATTERY) |
(a) Clear the DTCs and freeze frame data.
Powertrain > HV Battery > Clear DTCs(b) Turn the ignition switch off.
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