Nissan Micra Distributor Pick-up Coil & Governor Advance Check - EL-36
Service procedure for checking distributor governor advance and pick-up coil resistance with an ohmmeter.
This is page EL-36 from a Nissan service manual, covering the Ignition System — Distributor section. It provides two brief inspection procedures. First, 'Checking Governor Advance' instructs the technician to remove the rotor head and verify that the governor weight and governor spring move smoothly. Second, 'Checking Pick-up Coil' instructs checking the resistance between the terminals of the pick-up coil using an ohmmeter; the specified pick-up coil resistance is 970 - 1,170 ohms. An illustration (reference SEL778D) shows the distributor breaker plate with ohmmeter test leads connected to the pick-up coil terminals. If the measured resistance is not within the specified value, the pick-up coil must be replaced. The right edge of the scan shows the beginning of what appears to be a distributor/ignition coil specifications table on the adjacent page, but it is cut off and unreadable. This page was uploaded to a 1990 Nissan Micra document album; the page itself does not state a model or year, but it is consistent with a Nissan electrical (EL) section service manual. A reader can learn how to test the mechanical (centrifugal) advance mechanism and how to bench-test the distributor pick-up coil for correct resistance.
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Frequently asked questions
- What is the specified pick-up coil resistance for the Nissan distributor?
- The document specifies a pick-up coil resistance of 970 - 1,170 ohms, measured between the terminals of the pick-up coil.
- How do I check the governor advance on the distributor?
- Remove the rotor head and check that the governor weight and governor spring move smoothly.
- What should I do if the pick-up coil resistance is out of specification?
- The document states: 'Not in the specified value . . . Replace.' — replace the pick-up coil.
- What tool is used to test the pick-up coil?
- An ohmmeter, connected between the terminals of the pick-up coil as shown in the illustration (SEL778D).
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