- If the test result is UNKNOWN, enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
- Read Pending DTCs.
HINT
If a pending DTC is output, the system is malfunctioning.
- If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/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 engine switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/DTC Check / Clear.
(e) Turn the engine 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 engine switch on (IG).
(k) Turn the Techstream on.
(l) Enter the following menus: Powertrain / Engine / Trouble Codes.
(m)Read DTCs.
Result
B -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and
Repair/Removal
A -- CHECK FOR INTERMITTENT PROBLEMS
From 08/2009
2GR-FE ENGINE CONTROL: SFI SYSTEM: P062F: Internal Control Module EEPROM Error
P062F - Internal Control Module EEPROM Error
DESCRIPTION
The ECM monitors its internal operation and it stores this DTC when it detects an internal malfunction.
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