VIN
Abbreviations/Terms
Engine Components
OBD/CAN
Sensors
100

The check digit, found in position ____ of the VIN and compulsory for vehicles in North America, is used to validate a VIN.

What is the 9th digit ?

100

 The point in which the piston in the number one cylinder position of your engine is at its highest point on the compression stroke.

What is TDC / Top Dead Center?

100

Houses all of the major components that make up the bottom end of an engine.

What is an Engine Block/Cylinder Block ?

100

The CAN protocol has been internationally standardized since _____ in the ISO 11898 standard.

When was 1993?

100

 an electromagnetic sensor by the help of which the fuel injection system makes synchronization of the fuel injectors operation and the ignition system. This sensor sends signal for the speed and the position of the crankshaft to the onboard controller.

What is a CKP / Crankshaft position sensor ?

200

These Letters are not used in a VIN itself.

what are I, O, and Q?

200

 When the gasket that secures the cylinder head to the engine block has failed, compromising the airtight seal necessary for adequate performance and reliability.

What is a "Blown" Head Gasket?

200

In an internal combustion engine, this sits above the cylinders and forms the roof of the combustion chamber.

What is a cylinder head?

200

 Known as OBD II, that standard was implemented for the ____ model year and is still in use today.

When was 1996?

200

 a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine.

What is a MAF / mass (air) flow sensor ?

300

This letter will help narrow down the manufacturer. This slot helps identify the vehicle type or manufacturing division.

What is the Third digit?

300

The process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve performance, fuel economy or emissions.

What is VVT/Variable valve timing ?

300

This is placed around the stem of a valve and held in place by a retainer. Its main job is to control the entire valvetrain.

What is a Valve Spring?

300

Pin 14 on the OBD II port represents _______.

What is CAN low?

300

  an electrical component that tracks the movement of a car’s camshaft and transmits information to the ECM.

What is a CMP/ Camshaft Position Sensor ?

400

This character in the 17-character VIN represents the vehicle model-year. This standard applies to vehicles built in or after 1981.

What is the 10th digit?

400

 the most common symptom, that is a rattling or ticking noise coming from the engine. This noise occurs when this is loose and hits other engine components as it spins.

What is "Jump" timing?

400

 Goes through the skirt of a piston in an internal-combustion engine, to which the little end of the connecting rod is attached.

What is a wrist pin ?

400

This is a higher-level protocol used for diagnostic purposes. It can use one of (many) different bus systems to transfer diagnostic data from and to your car.

What is OBDII?

400

measure the amount of oxygen in the exhaust and report the level to your vehicle’s computer and controls how much fuel is added/removed to the air/fuel mixture.

What is an 02 sensor/oxygen sensor?

500

These characters are not utilized for year code identification.  

What are characters U, Z, and 0 (zero)?

500

The data is retained even when power is cut off and can be retrieved after the power is turned back on, making it a type of non-volatile memory.

What is EPROM/erasable programmable read-only memory?

500

 Pressurizes the oil and sends it through the engine to lubricate and cool the moving parts.

What is an Oil Pump?

500

 A standard designed to allow the microcontroller and other devices to communicate with each other without any host computer.

What is CAN Protocol ?

500

a sensor that works by controlling the pressure applied on the fuel entering the engine via the fuel injectors.

What is a fuel pressure regulator ?

M
e
n
u