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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Engine compartment check locations
HR16DE Engine
1. Drive belt location
2. Engine oil filler cap
3. Air cleaner
4. Brake and clutch (if so equipped) fluid
reservoir
5. Fusible link
6. Battery
7. Engine coolant reservoir
8. Radiator cap
9. Engine oil dipstick
10. Windshield-washer fluid reservoir
Refer to the page numb ...
BCM Branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES &g ...