Mazda Protege is a highly reliable car, and it is no wonder that it was a popular choice for car buyers in 2002. If you own a 2002 Mazda Protege, you must probably know how important it is to have a proper ignition wiring diagram. In this article, we will guide you through the process of understanding the ignition wiring diagram of a 2002 Mazda Protege.
What is Ignition Wiring Diagram?
Before we start with the details, let us first understand what an ignition wiring diagram is. An ignition wiring diagram is a schematic representation of the electrical system in a vehicle’s ignition. It shows the connections between various components of the ignition system and the wiring that facilitates those connections.
The wiring diagram of a Mazda Protege’s ignition system provides valuable information about the electrical connections between the battery, spark plugs, alternator, and other components. It helps in troubleshooting any electrical problems related to the ignition system.
Components of 2002 Mazda Protege Ignition System
Let us have a look at the various components of the 2002 Mazda Protege ignition system.
Battery
The battery in a Mazda Protege provides the electrical power necessary for the engine to start. It is located in the engine compartment and connected to the starter motor through a battery cable.
Starter Motor
The starter motor is a powerful electric motor that cranks the engine when the key is turned in the ignition. It is connected to the battery through a battery cable and to the ignition switch through a starter relay.
Ignition Switch
The ignition switch in a Mazda Protege is located on the steering column. It is connected to the starter relay and provides power to the starter motor when the key is turned in the ignition.
Spark Plugs
The spark plugs in a Mazda Protege provide the electrical spark necessary to ignite the fuel in the cylinders. There are four spark plugs in a Mazda Protege, and each one is connected to the ignition coil through a spark plug wire.
Ignition Coil
The ignition coil in a Mazda Protege is responsible for providing high voltage to the spark plugs. It is connected to the battery through a fuse and to the spark plugs through spark plug wires.
Distributor
The distributor in a Mazda Protege is responsible for distributing the high voltage from the ignition coil to the correct spark plug. It is connected to the ignition coil through a high tension wire and to the spark plugs through spark plug wires.
Understanding 2002 Mazda Protege Ignition Wiring Diagram
The ignition wiring diagram of a 2002 Mazda Protege can be quite complex, but with a little understanding of the various symbols used, it can be easy to read and understand. Let us have a look at the various symbols used in the wiring diagram:
Symbols Used in the Wiring Diagram
| Symbol | Meaning |
| B+ | Battery positive |
| B- | Battery negative or ground |
| SW | Switch |
| IG | Ignition |
| ST | Starter motor |
| R | Resistor |
| SP | Spark plug |
| CO | Ignition coil |
| DIST | Distributor |
| F | Fuse |
Now that we understand the symbols used in the wiring diagram, let us have a look at the diagram itself.
The Wiring Diagram
The wiring diagram of a 2002 Mazda Protege’s ignition system is divided into several parts, each representing a different component of the ignition system.
Battery
The first part of the wiring diagram represents the battery. It shows the connection between the positive and negative terminals of the battery and the ground.
Starter Motor
The second part of the wiring diagram represents the starter motor. It shows the connection between the starter motor and the battery through a battery cable and the starter relay. It also shows the connection between the starter motor and the ignition switch through the starter relay.
Ignition Switch
The third part of the wiring diagram represents the ignition switch. It shows the connection between the ignition switch and the starter relay, which provides power to the starter motor when the key is turned in the ignition.
Ignition Coil and Distributor
The fourth and fifth parts of the wiring diagram represent the ignition coil and distributor. They show the connection between the ignition coil and the battery through a fuse and the connection between the ignition coil and the distributor through a high tension wire. The distributor is connected to the spark plugs through spark plug wires.
Spark Plugs
The sixth part of the wiring diagram represents the spark plugs. It shows the connection between the spark plugs and the distributor through spark plug wires.
FAQ
1. What is the function of the ignition wiring diagram in a 2002 Mazda Protege?
The ignition wiring diagram of a 2002 Mazda Protege provides valuable information about the electrical connections between various components of the ignition system. It helps in troubleshooting any electrical problems related to the ignition system.
2. What are the components of the ignition system in a 2002 Mazda Protege?
The components of the ignition system in a 2002 Mazda Protege include the battery, starter motor, ignition switch, spark plugs, ignition coil, and distributor.
3. What symbols are used in the ignition wiring diagram of a 2002 Mazda Protege?
The symbols used in the ignition wiring diagram of a 2002 Mazda Protege include B+ (battery positive), B- (battery negative or ground), SW (switch), IG (ignition), ST (starter motor), R (resistor), SP (spark plug), CO (ignition coil), DIST (distributor), and F (fuse).
4. Can I use the ignition wiring diagram of a 2002 Mazda Protege to troubleshoot other Mazda models?
No, the ignition wiring diagram of a 2002 Mazda Protege is specific to that particular model and may not be applicable to other Mazda models.
5. Can I repair or replace the components of the ignition system in a 2002 Mazda Protege by myself?
It is recommended to take your Mazda Protege to a certified mechanic for repair or replacement of any components of the ignition system. Trying to repair or replace the components by yourself may lead to further damage to the ignition system.
