Lexus ES: Internal Control Module EEPROM Data Memory Failure (P062F44)
DESCRIPTION
The inverter with converter assembly monitors its internal operation and will store this DTC if it detects a malfunction of its EEPROM.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
P062F44 | Internal Control Module EEPROM Data Memory Failure | ECU internal malfunction (EEPROM error) (1 trip detection logic) | Inverter with converter assembly | Comes on | Master Warning Light: Does not come on |
MONITOR DESCRIPTION
The motor generator control ECU monitors its internal operation. If the internal operation is malfunctioning, the motor generator control ECU illuminates the MIL and stores a DTC.
MONITOR STRATEGY
Related DTCs | P062F (INF P062F44): Internal Control Module EEPROM (Drive Motor "A" Control Module) |
Required sensors/components | Motor generator control ECU |
Frequency of operation | Continuous |
Duration | TMC's intellectual property |
MIL operation | 1 driving cycle |
Sequence of operation | None |
TYPICAL ENABLING CONDITIONS
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
Motor generator control ECU | DTC P062F (INF P062F44) is not detected |
CONFIRMATION DRIVING PATTERN
HINT:
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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.
Click here
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Connect the Techstream to the DLC3.
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Turn the power switch on (IG) and turn the Techstream on.
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Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
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Turn the power switch off and wait for 2 minutes or more.
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Turn the power switch on (IG) and turn the Techstream on.
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With power switch on (IG) and wait for 15 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.
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Enter the following menus: Powertrain / Motor Generator / Utility / All Readiness.
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Check the DTC judgment result.
HINT:
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If the judgment result shows NORMAL, the system is normal.
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If the judgment result shows ABNORMAL, the system has a malfunction.
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If the judgment result shows INCOMPLETE or N/A, perform the normal judgment procedure again.
PROCEDURE
1. | REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS |
Click here
NEXT | | COMPLETED |
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CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
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When replacing the radio receiver assembly, always re
INSTALLATION PROCEDURE 1. INSTALL TRANSMISSION CONTROL CABLE ASSEMBLY (a) Pass the transmission control cable assembly into the vehicle and install the transmission control cable assembly to the vehicle body with the 2 nuts. Torque: 6.0 N·m {61 kgf·cm, 53 in·lbf} (b) Connect the transmission con
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