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Insulation Resistance Of Case

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the high-tension lead. See HIGH-TENSION LEAD REMOVAL/INSTALLATION .
  2. Disconnect the ignition coil connector.
  3. Measure the insulation resistance from terminal B to ignition coil case using an ohmmeter.
    • If not as specified, replace the ignition coil.
    Fig 1: Measuring Insulation Resistance
    G01930003Courtesy of MAZDA MOTORS CORP.

    Specification 

    1. Above 10 megohms 

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