Component Location
General Description
Regulations require that all 2005 and subsequent model year vehicles shall have the Vehicle Identification Number(VIN) available in a standardized format through the standardized data link connector in accordance with SAE J1979 specifications. Using a GDS, PERFORM "VIN WRITING" procedure after replacing or reflashing a ECM.
DTC Description
The purpose of this logic is to prevent a vehicle from leaving the assembly plant or service station without a VIN in its EEPROM memory. If the VIN writing is not programmed or incompatible, the ECM determines that a fault exists and a DTC is stored.And the MIL(Malfunction Indication Lamp) turns on.
DTC Detecting Condition
Item | Detecting Condition | Possible cause |
DTC Strategy | VIN not programmed or incompatible
| VIN is not programmed. Faulty ECM |
Enable Conditions | -
|
Threshold value | -
|
Diagnosis Time | 100 sec
|
MIL On Condition | 1 driving cycle
|