MAC TOOLS EM721 Manual Del Usuario página 54

To get the actual figures for a specific coil, check the manufacturer's specifications.
NOTE: Test the ignition coil both when it is hot and when it is cold.
Condensers/Capacitors Leakage Test
This meter can be used to check automotive condensers (capacitors) using the Resistance function. Since
the Resistance function applies a voltage across the test leads, the condenser charges up and the displayed
resistance increases to infinity. Any other reading indicates that you should replace the condenser.
BEFORE PERFORMING THIS TEST, MAKE SURE THAT IGNITION SYSTEM IS OFF AND ALL WIRES
Meter setup to check condenser leakage:
•
Set the rotary switch to resistance (Ω ) setting.
•
If " " is present on the display, press the "DWL" button until " " disappears.
•
Insert the black lead in the "COM" jack.
•
Insert the red lead in the "
Connect:
•
Black test probe to the negative (-) side of the condenser.
•
Red test probe to the positive (+) side of the condenser.
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CAUTION
CONNECTED TO THE COILS ARE DISCONNECTED.
" jack.
Black
Red
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