The battery holds a charge for a short time
- Battery failure due to shedding of plates.
- Battery terminals loose or corroded.
- Auxiliary drive belt worn or incorrectly adjusted.
- The current generated by the alternator is insufficient to fully charge the battery.
- Faulty alternator or voltage regulator.
- A short circuit in the vehicle's electrical circuit, causing the battery to continuously discharge.
The battery charging indicator light is constantly on
- Auxiliary drive belt damaged or incorrectly adjusted.
- Dirty, jammed or worn alternator brushes.
- Damage to the alternator brush springs.
- Faulty alternator or voltage regulator.
- Damage to the wiring in the charging circuit.
The battery charging indicator light does not light up
- The control lamp has burnt out.
- An open in the electrical circuit of the control lamp.
- Faulty alternator or voltage regulator.
Bulbs don't light up
- The incandescent lamp burned out.
- The fuse has blown.
- Switch defective.
- A break in the electrical circuit of the light bulb.
- Relay defective.
- The contacts in the electrical connector are oxidized.
Inaccurate instrument readings
Instrument readings increase with engine speed
- Faulty voltage regulator.
Fuel or temperature gauge does not read
- Break in the electrical circuit.
- Sensor defective.
- Invalid pointer.
The fuel or temperature gauge shows the maximum value
- Closing the electrical circuit.
- Sensor defective.
- Invalid pointer.
Audio signal malfunctions
Beep sounds constantly
- Shorting the horn button to ground or jamming it in the depressed position.
- The horn wire is connected to ground.
Sound signal does not work
- The fuse has blown.
- Broken horn wire.
- Sound signal defective.
The sound signal is intermittent
- Loose or oxidized horn wire connections.
- The horn is loose.
- Sound signal defective.
Wiper malfunctions
Windshield wipers not working or very slow
- The wiper blades are stuck to the windshield or the wiper linkage is jammed.
- The fuse has blown.
- Loose or corroded contacts in the windshield wiper electrical connector.
- Faulty wiper relay.
- Defective wiper motor.
Wiper blades not completely cleaning glass
- Wiper arm incorrectly installed.
- Strong wear of the wiper rod.
- Wiper motor or wiper arm loose.
Poor glass cleaning efficiency
- The rubber element of the wiper blade is worn or damaged.
- Weak or damaged wiper arm springs or stuck arm pivots.
- Low concentration of detergent in the glass washer fluid.
Unsatisfactory work of windshield washers
Windshield washer jets not working
- Windshield washer jets clogged.
- Disconnected, kinked or clogged washer fluid supply hose.
- There is no fluid in the windshield washer reservoir.
Windshield washer pump not working
- Loose connections of the contacts in the electrical connector of the washer pump.
- The fuse has blown.
- Windshield washer switch defective.
- Windshield washer pump defective.
Liquid is supplied to the glass some time after the washer is turned on
- Defective one-way valve located in the fluid supply hose to the washer jets.
Unsatisfactory operation of electric windows
Glass only moves in one direction
- Switch defective.
Glass moves very slowly
- Window regulator damaged.
- The internal elements of the door interfere with the operation of the power window.
- Defective power window motor.
Glass does not move
- The fuse has blown.
- Defective power window relay.
- Loose contacts in the power window electrical connector.
- Defective power window motor.
Unsatisfactory operation of the central lock
Central locking not working
- The fuse has blown.
- Faulty central locking relay.
- Loose contacts in the electrical connector of the central locking.
- Engine defective.
The latch of the lock moves, but the lock does not open or close
- Switch defective.
- Damaged or disconnected rods or valve lever.
- Relay defective.
- Motor defective. One of the actuators does not work.
- Loose contacts in the electrical connector of the central locking.
- Actuator defective.
- Damaged or disconnected rods or valve levers.
- Valve damage.