How to decode a 1999 Infiniti I30 VIN

Characters 1-3 of a 1999 Infiniti I30 VIN

A World Manufacturer Identifier (WMI) is the unique code used to identify the manufacturer of a vehicle. It forms the first three characters of the Vehicle Identification Number (VIN), which serves as a global standard for identifying motor vehicles. The WMI for the 1999 Infiniti I30, produced by Nissan Motor Company, Ltd., is “JNK.” This specific WMI reveals that the vehicle was manufactured in Japan, suggesting a blend of quality and innovation for which Japanese automakers are renowned. Each element of the WMI, including those for the Infiniti I30, is crucial for obtaining detailed information about the vehicle’s manufacturing origin.

List of WMI Codes for a 1999 Infiniti I30

WMI: JNK

Model Years Covered: 1996-2001
Example VIN: JNKCA21A0XT757386
Manufacturer Name: Nissan Motor Company, Ltd.
Vehicle Type: Passenger Car
City: Chuo-Ku
State or Province: Tokyo
Country: Japan

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 1999 Infiniti I30 VIN

These characters correspond to components like:

Engine type
Transmission
Model or trim
Body style
Gross vehicle weight range

Below find the known vehicle descriptor codes for a 1999 Infiniti I30:

Known VDS for a 1999 Infiniti I30
CA21A

Auto manufacturers have some discretion to decide how they want to code this section, but its contents and decoded results are generally consistent.

Character 9 is the “check digit” in a 1999 Infiniti I30 VIN.

Based on a formula developed by the US Department of Transportation, it helps reduce fraud by ensuring the validity of the VIN.

10th Character in the 1999 Infiniti I30 VIN — Year Code

Year Code	Year
X	1999

11th Character in the 1999 Infiniti I30 VIN — Plant Code(s)

Known 1999 Infiniti I30 Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
T	Yokosuka City	Kanagawa	Japan	Oppama Plant	JNKCA21A0XT757386

VIN Characters 12 - 17 of a 1999 Infiniti I30

The final 6 characters in a 1999 Infiniti I30’s 17-digit VIN are its serial number, which will be unique to every vehicle.

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How to find a 1999 Infiniti I30’s VIN?

Locating the VIN number on your 1999 Infiniti I30 is key for identification. Here’s how to find it:

Look at the dashboard on the driver’s side of your 1999 Infiniti I30, which is usually visible through the windshield from the outside.
Inspect the door pillar on the driver’s side when you open the front door; the VIN can often be found on a sticker or plate where the door latches.
Examine the engine block of your Infiniti I30, as the VIN is sometimes stamped onto the engine itself.
Check underneath the spare tire in the trunk area; sometimes the VIN is located there on a sticker or a plate.
Look at your vehicle’s registration documents or insurance card, as the VIN is always recorded there for reference.

What info can a 1999 Infiniti I30 VIN reveal?

Model Year: The VIN can reveal the vehicle’s model year. For example, it may indicate the vehicle’s model year as 1999, potentially offering insights into the age and market value of the vehicle.
Body Class and Doors: A VIN can specify the body class, providing details such as the body class being a Sedan/Saloon with 4 doors, offering immediate insights into the vehicle’s size and passenger accommodation.
Engine Type: Key engine information is encoded within the VIN, revealing the engine’s configuration as V-Shaped, with a displacement of 3 liters or 3000 CC, and a 6-cylinder engine. This offers a glimpse into the vehicle’s potential performance capabilities.
Safety Features: Safety equipment, including airbag locations, can be identified from the VIN, such as front airbags for both the driver and passenger in the 1st row, and side airbags for the driver and passenger in the 1st row. This indicates a strong emphasis on passenger safety in the vehicle.
Fuel Type: The type of fuel the vehicle uses is specified as Gasoline, providing essential information for potential owners regarding fuel economy and environmental impact.
Manufacturing Information: The VIN provides detailed manufacturing data, including the plant city “Yokosuka City”, plant country “Japan”, and specific plant company name “Oppama Plant” in Kanagawa, offering valuable insights into the vehicle’s origin and assembly quality.

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Sample VIN Decode Report for a 1999 Infiniti I30

Vehicle Spec	Value
Body Class	Sedan/Saloon
Displacement (CC)	3000
Displacement (CI)	183.0712322841
Displacement (L)	3
Doors	4
Engine Configuration	V-Shaped
Engine Manufacturer	Nissan
Engine Model	VQ30
Engine Number of Cylinders	6
Front Air Bag Locations	1st Row (Driver and Passenger)
Fuel Type - Primary	Gasoline
Model	I30
Model Year	1999
Other Restraint System Info	3-Point manual belts
Plant City	Yokosuka City
Plant Company Name	Oppama plant
Plant Country	Japan
Plant State	Kanagawa
Seat Belt Type	Manual
Side Air Bag Locations	1st Row (Driver and Passenger)
Vehicle Descriptor	JNKCA21A*XT
Vehicle Type	Passenger Car
Sample_VIN	JNKCA21A0XT757386