Toyota Corolla Cross: Hybrid/EV Battery Energy Control Module EEPROM Data Memory Failure (P062F44)
DESCRIPTION
The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction. If these DTCs are output, replace the battery ECU assembly.
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DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area | MIL |
Warning Indicate | Note |
|---|---|---|---|---|---|---|
|
P062F44 | Hybrid/EV Battery Energy Control Module EEPROM Data Memory Failure |
ECU internal malfunction (1 trip detection logic) |
Battery ECU assembly |
Comes on | Master Warning: Does not come on | SAE Code: P062F |
MONITOR DESCRIPTION
The battery ECU assembly monitors its internal operation. If the internal operation is malfunctioning, the battery ECU assembly illuminates the MIL and stores a DTC.
MONITOR STRATEGY
|
Related DTCs | P062F (INF P062F44): Internal control module EEPROM (battery energy control module) |
|
Required sensors/components | Battery ECU assembly |
|
Frequency of operation | Continuous |
|
Duration | TMC's intellectual property |
|
MIL operation | Immediately |
|
Sequence of operation | None |
TYPICAL ENABLING CONDITIONS
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The monitor will run whenever the following DTCs are not stored |
TMC's intellectual property |
|
Other conditions belong to TMC's intellectual property |
- |
TYPICAL MALFUNCTION THRESHOLDS
|
TMC's intellectual property | - |
COMPONENT OPERATING RANGE
|
Battery ECU assembly | DTC P062F (INF P062F44) is not detected |
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
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- When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" 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 30 seconds or more.[*1]
HINT:
[*1]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- 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 the normal judgment procedure again.
CAUTION / NOTICE / HINT
NOTICE:
Be sure to check that the applicable DTC is output from the hybrid battery system.
PROCEDURE
|
1. | CHECK DTC OUTPUT (HEALTH CHECK) |
(a) Enter the following menus: System Select / Health Check.
(b) Check for DTCs.
|
Result | Proceed to |
|---|---|
|
P062F44 is output from the hybrid battery system. |
A |
| P062F44 is output from any system other than the hybrid battery system. |
B |
(c) Turn the ignition switch off.
| A | .gif) | REPLACE BATTERY ECU ASSEMBLY |
| B | | GO TO PERFORM DIAGNOSIS FOR RESPECTIVE SYSTEM |
