Engine Control - SFI System

2GR-FE ENGINE CONTROL: SFI SYSTEM: P062F: Internal Control Module EEPROM Error

DTC P062F - Internal Control Module EEPROM Error

DESCRIPTION

The ECM monitors its internal operation and it stores this DTC when it detects an internal malfunction.





MONITOR DESCRIPTION

The ECM monitors its internal operation. If the internal operation is malfunctioning, the ECM illuminates the MIL and stores a DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





CONFIRMATION DRIVING PATTERN





1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the Clear DTC procedure) DTC Check / Clear [A].
4. Wait 30 seconds or more.
5. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
6. Input the DTC: P062F.
7. Check the DTC judgment result [B].





HINT: If the judgment result shows ABNORMAL, the system has a malfunction.

8. If the test result is UNKNOWN, enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
9. Read Pending DTCs.
HINT: If a pending DTC is output, the system is malfunctioning.

10. If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs DTC Check / Clear.
HINT:
- If a permanent DTC is output, the system is malfunctioning.
- If no permanent DTC is output, the system is normal.

INSPECTION PROCEDURE

PROCEDURE

1. READ OUTPUT DTC (DTC P062F)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear the DTC DTC Check / Clear.
(e) Turn the ignition switch off and turn the Techstream off.
(f) Disconnect the Techstream.
(g) Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
(h) Connect the cable to the negative (-) battery terminal.
(i) Connect the Techstream to the DLC3.
(j) Turn the ignition switch to ON.
(k) Turn the Techstream on.
(l) Enter the following menus: Powertrain / Engine / Trouble Codes.
(m) Read the DTCs.
Result:





B -- REPLACE ECM
A -- CHECK FOR INTERMITTENT PROBLEMS