CAUTION / NOTICE / HINT
PROCEDURE
VIN (VEHICLE IDENTIFICATION NUMBER)
Note
The Vehicle Identification Number (VIN) must be input into a replacement ECM.
Tech Tips
The VIN is a 17-digit alphanumeric vehicle identification number. The GTS is required to register the VIN.
DESCRIPTION
Tech Tips
This registration section consists of 2 parts: Read VIN and Write VIN.
Read VIN: This process allows the VIN stored in the ECM to be read in order to confirm that the 2 VINs, provided with the vehicle and stored in the vehicle ECM, are the same.
Write VIN: This process allows the VIN to be input into the ECM. If the ECM is replaced, or the ECM VIN and vehicle VIN do not match, the VIN can be registered, or overwritten in the ECM by following this procedure.
READ VIN
Confirm the vehicle VIN.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Read.
| Tester Display |
|---|
| VIN |
WRITE VIN
Confirm the vehicle VIN.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Write.
| Tester Display |
|---|
| VIN |
HEAVY KNOCK HISTORY
Tech Tips
This function saves or writes the history data stored when the ECM is replaced.
SAVE HISTORY
Tech Tips
This function stores the history data saved in the ECM to the GTS.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Utility / Heavy Knock History / Save History.
| Tester Display |
|---|
| Heavy Knock History |
Store the history data in the GTS according to the GTS screen instructions.
WRITE HISTORY
Tech Tips
This function writes the history data stored in the GTS to the ECM.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Utility / Heavy Knock History / Write History.
| Tester Display |
|---|
| Heavy Knock History |
Write the history data to the ECM according to the GTS screen instructions.