DTC P1635 [YF (2.0L Zetec)]
id0102d0826500
|
DTC P1639 |
Tire/axle ratio out of acceptable range |
|---|---|
|
DETECTION CONDITION
|
• No configuration data in PCM.
|
|
POSSIBLE CAUSE
|
• Not genuine tire is equipped.
• Miss configuration
• PCM malfunction
|
Diagnostic procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
|
Yes
|
Go to next step.
|
|
No
|
Record FREEZE FRAME DATA on repair order, then go to next step.
|
||
|
2
|
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Check for related Service Bulletins and/or on-line repair information availability.
• Is any related repair information available?
|
Yes
|
Perform repair or diagnosis according to available repair information.
• If vehicle is not repaired, go to next step.
|
|
No
|
Go to next step.
|
||
|
3
|
VERIFY VID TYRE DATA
• Turn the ignition switch to the ON position.
• Connect the WDS to the DLC-2.
• Access the data of the tire size.
• Is it the same as a equipped tire?
|
Yes
|
Go to next step.
|
|
No
|
Perform PCM configuration procedure, then go to next step.
|
||
|
3
|
VERIFYGENUINE TIRES ARE INSTALLED
• Is genuine tires are equipped?
|
Yes
|
Go to next step.
|
|
No
|
Change to the genuine tire. then go to next step.
|
||
|
4
|
VERIFY TROUBLESHOOTING OF DTC P0602 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn ignition key to ON (engine OFF).
• Clear DTC from PCM memory using WDS or equivalent.
• Start engine and warm up it completely.
• Is same DTC present?
|
Yes
|
Replace PCM, then go to next step.
|
|
No
|
Go to next step.
|
||
|
5
|
VERIFY AFTER REPAIR PROCEDURE
• Perform “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
|
Yes
|
Go to applicable DTC inspection.
(See DTC TABLE [YF (2.0L Zetec)].)
|
|
No
|
Troubleshooting completed.
|
||