Note: For problems with the starting system, refer to the faults listed earlier for the engine.
The battery does not hold a charge (just a few days)
- Internal battery damage
- Low electrolyte level in the battery
- Loose or oxidized battery terminal connections
- Worn or incorrectly adjusted auxiliary drive belt
- The alternator is OK, but the charging circuit is faulty
- Faulty alternator or voltage regulator
- An internal short circuit causes the battery electrolyte to constantly boil away
Ignition/Charge warning light illuminates when engine is running
- Damaged, worn, or improperly adjusted auxiliary drive belt
- Worn, oily or stuck in alternator brush guides
- Worn or damaged alternator brush springs
- Internal damage to the windings of the generator or voltage regulator
- Broken, disconnected, or loose charging circuit wiring
Ignition/Charge Warning Light Does Not Illuminate
- Control lamp burnt out
- Broken, disconnected or loose wiring in the control lamp circuit
- Faulty generator
The lamp of system of external or internal illumination does not burn
- Bulb burnt out
- Oxidized lamp or holder contacts
- Blown fuse
- Faulty relay
- Broken, disconnected or loose electrical wiring
- Faulty switch
Inaccurate or erroneous meter readings
Instrument readings increase with increasing engine speed
- Faulty voltage regulator
Fuel or temperature gauges not showing
- Faulty pointer sensor
- Open wiring circuit
- Device defective
Fuel gauges or temperature gauges constantly give maximum readings
- Faulty pointer sensor
- Short circuit in the wiring circuit
- Device defective
Sound signal does not work or works unsatisfactorily
Beep works all the time
- Horn contacts permanently closed or horn button stuck after being pressed
Sound signal does not work
- Blown fuse
- Damaged contacts or wires
- Faulty horn
The horn emits an intermittent or not loud sound
- Loose wiring connections
- Loose sound horn
- Faulty horn
Windshield wipers do not work or work unsatisfactorily
Windshield wipers not working or very slow
- Strong pressure of the wiper blades against the glass or increased friction in the plain bearings in the drive units
- Blown fuse
- Damaged contacts or wires
- Faulty relay
- Faulty wiper motor
Too large or too small sweep of the wiper blades on the glass
- Wiper arms incorrectly placed on axle
- Excessive wiper rod wear
- Loose or loose wiper drive or motor
Wiper blades don't clean the glass well
- Worn or damaged rubber parts of the brushes
- Defective wiper arm springs or insufficient downforce
- Low concentration of detergent in the windshield washer to remove dirt
Washers do not work or do not work satisfactorily
One or more washer jets not working
- Clogged washer jet
- Disconnected, kinked or kinked hose
- Insufficient amount of fluid in the washer reservoir
Washer pump not working
- Broken or disconnected wiring or connections
- Blown fuse
- Washer switch defective
- Washer pump defective
Liquid is supplied from the washer jets with a delay
- Defective non-return valve in the fluid supply hose
Power windows do not work or work unsatisfactorily
Window glass only moves in one direction
- Faulty switch
Glass moves slowly
- Actuator stuck or not enough lubrication
- Internal parts or door trim interfere with the drive
- Faulty motor
Glass does not move
- Blown fuse
- Faulty relay
- Broken or disconnected wiring or connections
- Faulty motor
The central locking system does not work or does not work satisfactorily
Complete system failure
- Blown fuse
- Faulty relay
- Broken or disconnected wiring or connections
- The lock locks but does not open or opens but does not lock
- Faulty switch
- Broken or disconnected drive levers or rods
- Faulty relay
One electric lock does not work
- Broken or disconnected wiring or connections
- Faulty motor
- Broken or disconnected drive levers or rods
- Faulty door lock