Description
TCM checks the value read in FLASH ROM at ignition switch ON, and judges if there is writing failure to FLASH ROM or malfunction of FLASH ROM.
DTC Logic
DTC DETECTION LOGIC
| DTC | Trouble diagnosis name | DTC detection condition | Possible causes |
| P062F | Internal Control Module EEPROM Error | When the ignition switch is ON, an error detected is the memory back-up value from the TCM FLASH ROM. | Control valve ASSY (ROM-assembly) |
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn the ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
Is "P062F" detected?
YES >> Go to TM, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.PERFORM DTC CONFIRMATION PROCEDURE
Refer to GI, "Intermittent Incident".
Is the inspection result normal?
YES >> Replace the TCM. Refer to TM, "Removal and Installation".
NO >> Repair or replace damaged parts.
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Maintenance precautions
When performing any inspection or maintenance
work on your vehicle, always take care to prevent
serious accidental injury to yourself or damage to
the vehicle. The following are general precautions
which should be closely observed.
WARNING
Park the vehicle on a level surface, apply
the pa ...
Spark plugs
Replacing spark plugs
Platinum-tipped spark plugs
It is not necessary to replace platinum-tipped A
spark plugs as frequently as conventional type
spark plugs because they last much longer. Follow
the maintenance log shown in the Maintenance
and Schedules section of this manual. Do
not ser ...