Isuzu Axiom 2002-05

Ignition Coils

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Removal & Installation



  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the 3 electrical connectors from ignition coil.
  4.  
  5. Remove the harness bracket bolt from the cylinder head cover.
  6.  
  7. Remove the ignition coil retaining bolts.
  8.  
  9. Remove the ignition coil.

    Click image to see an enlarged view

    Fig. Exploded view of the ignition coil connector (1), mounting bolts (2), and ignition coil (3)

  10.  

To install:

  1. Attach the ignition coil connectors, then install the ignition coil and tighten the bolts to 5.9 ft. lbs. (8 Nm).
  2.  
  3. Connect the negative battery cable.
  4.  

Testing



  1. Check the ignition coil assembly for insulation. Check terminals for corrosion or damage, and replace as necessary.
  2.  
  3. Using an ohmmeter, measure the resistance of ignition coil assemblies and compare with the following specifications:
    1. Terminal 1 to 2: Without 0 ohms or infinity maximum ohms.
    2.  
    3. Terminal 1 to 3: Without 0 ohms or infinity maximum ohms.
    4.  
    5. Terminal 2 to 3: Without 0 ohms or infinity maximum ohms.
    6.  

  4.  
  5. If the measured values exceed the specifications listed above, the ignition coil must be replaced.

    Click image to see an enlarged view

    Fig. Use an ohmmeter to measure the resistance of the ignition coil(s)

  6.  

 
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