The battery charging indicator does not light up when the ignition is on
Battery low
Charge the battery.
The fastening of the wire terminals on the battery is loose or the terminals are rusted
Check the wires, clean the terminals and tighten the bolt.
Loose fastening of the wire terminal on the generator or the terminals are rusted
Check the wires, clean the terminals and tighten the nuts.
Battery charging warning light burned out
Replace light bulb.
Faulty voltage regulator
Check regulator. Replace if necessary.
Open circuit between alternator, ignition switch and battery charging warning light
Check the power supply with an ohmmeter, referring to the wiring diagram. Repair broken wire if necessary.
The carbon brushes do not touch the slip ring
Check the ease of movement of the brushes in the holder, as well as the residual length of the brushes. Replace brushes if necessary.
The battery charging warning light does not go out when the engine speed increases
The ribbed belt is loose or slipping
Check the condition of the ribbed belt and tensioner. Replace the belt if necessary.
Overrunning clutch defective (only cars with turbocharger)
Remove the generator and turn the generator drive shaft to the left. If at the same time the belt pulley does not rotate at the same time, then, as a rule, the overrunning clutch is faulty.
Faulty voltage regulator/generator
Disconnect the wire from terminal D+ and turn on the ignition. If the signal lamp does not light up, then, as a rule, the voltage regulator or generator is faulty.
Wear of the carbon brushes of the voltage regulator
Examine the carbon brushes. Replace if necessary.
Faulty regulator
Check the regulator and replace if necessary.
Faulty generator
Check the alternator and replace if necessary.
Broken wire between generator and regulator
Disconnect the blue wire from the T32a/Block 12 plug on the back of the instrument panel. Switch on the ignition. If the signal lamp does not light up, then the wire at the D+ terminal is shorted to «mass» (-). Replace wiring harness.
Faulty instrument panel
If, after disconnecting the wire with blue insulation from the T32a plug, the signal light comes on when the ignition is turned on, then, as a rule, the instrument panel is faulty.
Visitor comments