23:12. Diagnostics of malfunctions of lighting and light alarm system

Cause of defect

Elimination method

Lamps of headlights, lamps do not burn

Lamp thread fused

Replace a lamp

Weak contact in the boss of a lamp

Smooth out surfaces, press out a cartridge

The safety lock fused

Before replacing a safety lock, check an ohmmeter the chain protected by the fused safety lock for lack of short circuit on "weight"

Wires are damaged, their tips are oxidized or put leaky on

Press out plugs, replace faulty wires

Contacts of the relay are oxidized, relay windings fused, switches are faulty

Replace the relay, switches, press out plugs, smooth out contacts

The alarm system (see also "Lamps of headlights, lamps do not burn") does not work

The switch of the alarm system is faulty

Replace the switch

The backing light (see also "Lamps of headlights, lamps do not burn") is not turned on

The backing switch is faulty (on the transmission)

Replace the switch

The lever of the switch of indexes of turn does not come back to a starting position, levers of the understeering switch are not fixed

Clamps are broken, balls of clamps, springs are lost

Replace the understeering switch

The lens of a headlight mists over

Between the case and the lens moisture gets

Miss the mark cracks with sealant

Cracks in the lens of a headlight

Replace a headlight

Between moving details of a crank the foreign subject got

Check installation of levers, correct the deformed levers or replace a screen wiper

The understeering switch of a screen wiper is faulty

Replace the switch

Electric motor brushes hanged, the collector is strongly polluted or burned slightly

Eliminate lag of brushes, smooth out a collector a glass skin, wipe with the fabric moistened in gasoline. Replace a worn-out motor-reducer

Break or short circuit in an electric motor anchor winding

Replace a motor-reducer

The electric motor of a screen wiper does not work in the faltering mode

The screen wiper relay is faulty

Replace the relay

The understeering switch is faulty

Replace the switch

The electric motor of a screen wiper does not stop in the faltering mode

The screen wiper relay is faulty

Smooth out contacts of the breaker, if necessary replace the relay

The contact plate of the trailer switch of a motor-reducer is not unbent when passing a cam

Sort a motor-reducer and turn in a contact plate or replace a motor-reducer

Contacts of the trailer switch are oxidized

Smooth out contacts or replace a screen wiper motor-reducer

Brushes stop in any situation

Contacts of the trailer switch badly nestle or are oxidized

Smooth out contacts, if necessary turn in a plate of the switch or replace a motor-reducer

The nut of fastening of a crank on a motor-reducer shaft weakened

Correctly establish a crank and tighten a nut, having applied paint or anaerobic sealant on a carving

The electric motor of a screen wiper works, but brushes do not move

The nut of fastening of a crank on a motor-reducer shaft weakened

Correctly establish a crank and tighten a nut, having applied paint or anaerobic sealant on a carving

Motor-reducer gear wheel teeths are damaged

Replace a gear wheel or a motor-reducer