Electric Power Devices Toyota Corolla 5 (E80)

Removal and installation the battery
Note: If the battery is disconnected, the fault record in the computer memory is erased and frequently used systems such as anti-lock braking system, radio, and clock do not function. Before disconnecting the battery,...

Checking the battery
There are two ways to test a battery. Depending on the testing method, different devices are needed. Checking the density of the electrolyte The density of the electrolyte, along with the voltage, gives an idea of the...

Battery charge
Do not short-circuit the battery, i.e. the positive (+) and (-) of the battery should not be connected to each other. When short-circuited, the battery overheats and may crack. Do not expose the battery to an open...

Storage of the battery
Long-term unused batteries self-discharge and may also become sulfated. If such batteries are charged using the accelerated method, they do not accept the charging current or may appear charged. Such batteries are...

Self-discharge of the battery
In an unused car, the natural self-discharge of the battery, depending not on the car's equipment, is added to the power consumption of some consumers. Therefore, in an unused car, it is necessary to recharge the...

Battery malfunctions
Battery malfunctions

Generator — General Description
The COROLLA is equipped with an alternator. Depending on the model and equipment, alternators can generate current from 40 to 70 A. The maximum current is indicated on the alternator's nameplate. Note: If additional...

Safety precautions when working with a generator
When working with electrical equipment in the engine compartment, be sure to disconnect the ground (-) wire from the battery. Do not confuse the voltage regulator and generator wires. Mark the wires before...

Checking the generator voltage
Connect a voltmeter between the positive and negative terminals of the battery Start the engine. When starting the engine, the voltage may drop to 8 V (at an outside air temperature of +20°C). Increase the engine speed...

Removal and installation the generator
Removal Disconnect the ground (-) cable from the battery. Warning: This will erase the entries in the trip computer memory. In particular, the fault entry and the radio receiver code. Before disconnecting the battery,...

Checking and replacing generator carbon brushes
Generator brushes wear out quite slowly. On average, they wear out after 120,000 km of mileage. However, it is recommended to replace them in advance. Depending on the car model, generators can be of different designs....

Generator malfunctions
Generator malfunctions

Removal and installation the starter
To start an internal combustion engine, a small electric motor called a starter is needed. To start the engine, it must be spun up to at least 300 rpm. The starter consists of a drive part, a housing with poles and a...

Checking and replacing the magnetic starter
Starter circuit diagram If the magnetic starter is defective, the starter pinion does not engage with the engine flywheel ring gear. This prevents the engine from starting. Examination Remove the starter. Starter...

Starter fault diagnostics
If the starter does not rotate, first check whether there is voltage at terminal 50 of the electromagnetic starter. The voltage should be at least 8 V. If there is voltage, check the electrical circuit of the starter....

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