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Diagnosis of electrical faults BMW 3 Series E46
Diagnostics of faults of on-board electrical equipment — general information
A typical electrical circuit may include an electrical component, various switches, relays, motors, fuses, fuse links, or circuit breakers associated with the...
A typical electrical circuit may include an electrical component, various switches, relays, motors, fuses, fuse links, or circuit breakers associated with the...
Fuses — General Information
The protection of the vehicle's electrical circuits is provided by a combination of fuses, circuit breakers and fuse links. A blown fuse can be easily...
The protection of the vehicle's electrical circuits is provided by a combination of fuses, circuit breakers and fuse links. A blown fuse can be easily...
Replacing fuses
To protect wires and consumers of electrical devices from short circuits and overloads, electrical circuits are protected by fuses. The fuses are located in a...
To protect wires and consumers of electrical devices from short circuits and overloads, electrical circuits are protected by fuses. The fuses are located in a...
Fusible Links — General Information
Some circuits are protected by incorporating fuses into their electrical circuit. Fuses are typically used to protect circuits that are not equipped with...
Some circuits are protected by incorporating fuses into their electrical circuit. Fuses are typically used to protect circuits that are not equipped with...
Circuit Breakers (Thermal Relays) — General Information
Thermal relays are used to protect components such as electric window openers, door locks, and headlight adjustments. Some circuit breakers are located in the...
Thermal relays are used to protect components such as electric window openers, door locks, and headlight adjustments. Some circuit breakers are located in the...
Relay — general information
Relays are used to supply electric current to components of some of the car's electrical accessories. A malfunction of the relay leads to failure of the...
Relays are used to supply electric current to components of some of the car's electrical accessories. A malfunction of the relay leads to failure of the...
Checking the windshield wiper motor
The windshield wiper motor is located in the water reservoir under the windshield. To check it, you need to remove the cover. Terminal designations Terminal 31...
The windshield wiper motor is located in the water reservoir under the windshield. To check it, you need to remove the cover. Terminal designations Terminal 31...
Checking the brake light
1. If the brake light does not come on when the brake pedal is pressed, you must first check the corresponding fuse. 2. If the fuse is OK, check the brake...
1. If the brake light does not come on when the brake pedal is pressed, you must first check the corresponding fuse. 2. If the fuse is OK, check the brake...
Checking the heated rear window
After turning on the rear window heating, after some time the field with visible conductor lines should be cleared of precipitation or snow. 1. If there is a...
After turning on the rear window heating, after some time the field with visible conductor lines should be cleared of precipitation or snow. 1. If there is a...
Removal and installation the temperature sensor
Removal The outside temperature indicator sensor is located in the trim on the left under the front bumper. 1. Remove the temperature sensor "1" from both...
Removal The outside temperature indicator sensor is located in the trim on the left under the front bumper. 1. Remove the temperature sensor "1" from both...
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