Opel Corsa B 1993–2000 Service and Repair Manual: Electrical system

Note: For problems associated with the starting system, refer to the faults listed under "Engine" earlier in this Section.

Battery will not hold a charge for more than a few days

  • Battery defective internally.
  • Battery terminal connections loose or corroded.
  • Auxiliary drivebelt worn or incorrectly adjusted.
  • Alternator not charging at correct output .
  • Alternator or voltage regulator faulty.
  • Short-circuit causing continual battery drain.

Ignition/no-charge warning light remains illuminated with engine running

  • Auxiliary drivebelt broken, worn, or incorrectly adjusted.
  • Alternator brushes worn, sticking, or dirty.
  • Alternator brush springs weak or broken.
  • Internal fault in alternator or voltage regulator.
  • Broken, disconnected, or loose wiring in charging circuit.

Ignition/no-charge warning light fails to come on

  • Warning light bulb blown.
  • Broken, disconnected, or loose wiring in warning light circuit.
  • Alternator faulty.

Lights inoperative

  • Bulb blown.
  • Corrosion of bulb or bulbholder contacts.
  • Blown fuse.
  • Faulty relay.
  • Broken, loose, or disconnected wiring.
  • Faulty switch.

Instrument readings inaccurate or erratic

Instrument readings increase with engine speed

  • Faulty voltage regulator.

Fuel or temperature gauges give no reading

  • Faulty gauge sender unit.
  • Wiring open-circuit.
  • Faulty gauge.

Fuel or temperature gauges give continuous maximum reading

  • Faulty gauge sender unit .
  • Wiring short-circuit .
  • Faulty gauge.

Horn inoperative, or unsatisfactory in operation

Horn operates all the time

  • Horn push either earthed or stuck down.
  • Horn cable-to-horn push earthed.

Horn fails to operate

  • Blown fuse .
  • Cable or cable connections loose, broken or disconnected.
  • Faulty horn.

Horn emits intermittent or unsatisfactory sound

  • Cable connections loose .
  • Horn mountings loose .
  • Faulty horn.

Windscreen/tailgate wipers inoperative, or unsatisfactory in operation

Wipers fail to operate, or operate very slowly

  • Wiper blades stuck to screen, or linkage seized or binding.
  • Blown fuse .
  • Cable or cable connections loose, broken or disconnected.
  • Faulty relay.
  • Faulty wiper motor.

Wiper blades sweep over too large or too small an area of the glass

  • Wiper arms incorrectly positioned on spindles .
  • Excessive wear of wiper linkage.
  • Wiper motor or linkage mountings loose or insecure.

Wiper blades fail to clean the glass effectively

  • Wiper blade rubbers worn or perished .
  • Wiper arm tension springs broken, or arm pivots seized .
  • Insufficient windscreen washer additive to adequately remove road film.

Windscreen/tailgate washers inoperative, or unsatisfactory in operation

One or more washer jets inoperative

  • Blocked washer jet.
  • Disconnected, kinked or restricted fluid hose .
  • Insufficient fluid in washer reservoir.

Washer pump fails to operate

  • Broken or disconnected wiring or connections.
  • Blown fuse.
  • Faulty washer switch.
  • Faulty washer pump.

Washer pump runs for some time before fluid is emitted from jets

  • Faulty one-way valve in fluid supply hose.

Electric windows inoperative, or unsatisfactory in operation

Window glass will only move in one direction

  • Faulty switch.

Window glass slow to move

  • Incorrectly-adjusted door glass guide channels.
  • Regulator seized or damaged, or in need of lubrication.
  • Door internal components or trim fouling regulator.
  • Faulty motor.

Window glass fails to move

  • Incorrectly-adjusted door glass guide channels.
  • Blown fuse.
  • Faulty relay.
  • Broken or disconnected wiring or connections.
  • Faulty motor.

Central locking system inoperative, or unsatisfactory in operation

Complete system failure

  • Blown fuse.
  • Faulty relay .
  • Broken or disconnected wiring or connections.
  • Faulty control unit.

Latch locks but will not unlock, or unlocks but will not lock

  • Faulty master switch .
  • Broken or disconnected latch operating rods or levers.
  • Faulty relay.
  • Faulty control unit.

One solenoid/motor fails to operate

  • Broken or disconnected wiring or connections .
  • Faulty solenoid/motor .
  • Broken, binding or disconnected latch operating rods or levers .
  • Fault in door latch .

 

    Suspension and steering
    Note: Before diagnosing suspension or steering faults, be sure that the trouble is not due to incorrect tyre pressures, mixtures of tyre types, or binding brakes. Vehicle pulls to one side Defe ...

    See also:

    Opel Corsa B 1993–2000 Service and Repair Manual. Maintenance and minor repair tool kit
    The tools given in this list should be considered as a minimum requirement if routine maintenance, servicing and minor repair operations are to be undertaken. We recommend the purchase of combinat ...


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