Battery, alternator and starter Mazda 121 (3)

Removing and installing the battery
The battery is located on the left side of the engine compartment. Attention: The wires from the battery must be disconnected only when the ignition is off, because....

Operating instructions for a maintenance-free battery
During the operation of the battery, it is occasionally necessary, as part of maintenance, to add distilled water and perform some simple maintenance operations. You can...

Battery charge
Notes marked with a ♦ symbol do not apply to the maintenance-free battery fitted as standard on the vehicle. Attention: The engine must not be run with the battery...

Checking the battery
Checking the electrolyte level The electrolyte level in individual banks must be between the marks «MIN» (1) And «MAX» (2). Unscrew plugs if necessary (3) and add...

Storage of the battery
To prevent aging, the battery removed from the vehicle must be recharged every two months. Batteries that have not been used for a long time are subject to...

Diagnostics of battery malfunctions
Battery troubleshooting

General information about the generator
Cars are equipped with an alternator. Depending on the model and its configuration, generators of various capacities can be installed. The power of the generator is...

Precautions when working with the generator
When working with an alternator, certain rules must be observed to avoid damage to the alternator and other parts. Complete disassembly and repair of the generator must...

Checking the alternator charge voltage
Connect a voltmeter between the positive and negative battery terminals. Start the engine. Voltage may drop to 8V during startup (at ambient temperature +20°C)....

Removal and installation of the generator
Ford Fiesta/Mazda 121 with 1.3L engine Attention: In case of a serious malfunction of the generator, you can replace it with a repaired one in a workshop. Removing...

Replacing and checking the contact brushes of the generator or voltage regulator
Attention: The contact brushes can only be replaced separately with a Bosch generator. For other generators, the voltage regulator assembly needs to be replaced....

Diagnostics of malfunctions of the generator
Diagnostics of malfunctions of the generator

General information about the starter
A small electric motor called a starter is needed to start the engine. In order for the engine to be started at all, the engine must be accelerated by the starter to...

Removal and installation of a starter
Ford Fiesta/Mazda 121 with 1.3L engine Removing Disconnect the negative cable from the battery. Attention: This will erase the data from the electronic memory blocks and...

Check, removal and installation of the traction relay
In the event of a malfunction of the traction relay, the starter drive gear does not engage with the flywheel ring gear. Because of this, the starter cannot crank the...

Starter Troubleshooting
If the starter does not turn, then the first thing to check is whether, when the engine is started, the voltage necessary for its operation, the value of which is at...