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Home >> Mazda >> 1994 >> 626 ES, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls - Basic Testing) >> Ignition Checks >> Engine Controls - Basic Testing >> Check C1, C2 & C3 At Coil Pack (Running)

Check C1, C2 & C3 At Coil Pack (Running)

WARNING: This page is about a different car, the 1994 Mazda Navajo and 1994 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.

Turn key off. Reconnect harness at coil pack. Set DVOM on 20-volt AC scale. Start engine, backprobe between coil terminals No. 1, 2 and 3, and chassis ground. See Figure . If any voltage reading while running is NOT 1.0-2.0 volts, go to CHECKING ICM CONTROL. If voltage reading of each coil (while running) is 1.0-2.0 volts, go to CHECKING COIL PACK.

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