Diode Assembly - Test
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| Illustration 1 | g00873253 |
Diode Assembly (1) Terminal (2) Terminals | |
- Remove the diode assembly from the alternator.
- Set the multimeter to the diode scale.
- Connect the multimeter leads across terminal (1) and one terminal (2) .
- Record the multimeter reading.
- Reverse the multimeter leads.
- Record the multimeter reading.
Expected Result: One reading is "0L" and the other reading is .4 to .9 volts.
Results:
OK - One reading is "0L" and the other reading is .4 to .9 volts. The diode is normal. Repeat steps 3 through 6 for the other terminals (2). If all of the diodes are normal, the diode assembly is normal. STOP.
NOT OK - Both readings are "00". The diode assembly is shorted. Replace the diode assembly. STOP.
NOT OK - Both readings are "0L". The diode assembly is open. Replace the diode assembly. STOP.
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