| Sign of malfunction | Possible cause | Solution |
| When the ignition is turned on, the charge indicator lamp does not light | The battery is discharged | Charge the battery |
| Weak generator ground connection | Check the ground connections, tighten the bolts | |
| The charge indicator lamp has burned out | Replace the lamp | |
| The fuse has blown | Replace the ignition and charging system fuse | |
| Voltage regulator failure | Check or replace the voltage regulator | |
| There is a break in the wire between the generator, ignition switch and indicator lamp | Check the electrical circuit with a voltmeter | |
| The connector between the rectifier board and the voltage regulator is disconnected | Remove the generator and replace the connector if necessary | |
| The brushes do not fit well on the slip ring | Check the ease of movement and length of the brushes | |
| The generator excitation winding burned out | Check and replace the stator if necessary | |
| When the engine speed increases, the charge indicator lamp does not go out | Weak drive belt tension | Tighten the belt |
| The carbon brushes have become unusable | Check and replace the brushes | |
| Regulator defect | Check or replace the voltage regulator | |
| Broken wire between alternator and voltage regulator | Check the wire and contacts, perhaps replace the cable harness | |
| The charging lamp does not go out when the ignition is turned off | Diode breakdown | Check the diodes, replace the diode board if necessary |
Generator fault diagnostics (Nissan Murano Z50)
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This article has been reviewed: Makar Filatov
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