Generator & Regulator Switch (MULTIFUNCTION Regulator)

Check for correct connections on fully charged battery, generator and starter motor. Check for good ground connection between engine and body. Check for properly tightened drive belt. Connect DIS tester. Go to Function Selection, Complete Vehicle, Drive, Voltage And Current Regulation, Voltage And Current Generation. Work through test modules. To diagnose oscillograms for each fault, see GENERATOR OSCILLOGRAMS  . If generator is faulty, repair or replace it. To replace, see GENERATOR  under REMOVAL & INSTALLATION.

Fig 1: Identifying Oscillogram For A Fault-Free Generator

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Fig 2: Identifying Oscillogram For One Phase Interrupted

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Fig 3: Identifying Oscillogram For Internal Fault

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Fig 4: Identifying Oscillogram For Open Circuit In Negative Diode

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Fig 5: Identifying Oscillogram For Short Circuit In Positive Diode

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Fig 6: Identifying Oscillogram For Open Circuit In Positive Diode

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Fig 7: Identifying Oscillogram For Open Circuit In Exciter Diode

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