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Leading Side IGNITOR (RX7)

  1. Disconnect the 2-prong connector at ignitor. Connect a voltmeter (in series) between disconnected Black/Yellow wire terminals of 2 connector halves. Turn ignition on and note voltage.
  2. Voltage should be about 12 volts. Turn ignition off. Remove voltmeter and negative battery cable. Install Ignitor Checker (49 F018 002) between 2-prong connectors. See Fig 1 .
    Fig 1: Installing Ignitor Checker (RX7)
    G34346Courtesy of MAZDA MOTORS CORP.
  3. Disconnect Black wire from coil. Reconnect negative battery cable. Connect ohmmeter between Black wire and ground.
    CAUTION: Ensure negative battery cable is disconnected prior to removing Black wire from coil. DO NOT disconnect Brown wire from coil. Ensure ohmmeter leads are installed with (+) lead to ground and () lead to Black wire.
  4. Turn ignition on. Place ohmmeter on the X1 scale. Hold ignitor checker SW2 switch on and note ohmmeter reading. Ohmmeter needle should rise to 1/3 the distance of the scale and then return. Replace ignitor if needle operation was incorrect.