Nissan Maxima 1993-1998 Repair Guide

Ignition Coil(s)

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TESTING



See Figures 1 and 2

  1. Disconnect the negative battery cable.
  2.  
  3. Unplug the electrical connector(s) from the ignition coil(s).
  4.  
  5. Remove the coil securing bolt and lift the coil from the spark plug.
  6.  
  7. Using an ohmmeter, adjust it to the low range, and attach the probes to terminal 1 and terminal 2 .
  8.  



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Fig. Fig. 1: Checking an ignition coil resistance-note the locations of the test probes



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Fig. Fig. 2: Be sure to use terminals 1 and 2 when checking the ignition coils

  1. Measure the resistance; it should read around 0.8 ohms.
  2.  

REMOVAL & INSTALLATION



See Figures 3, 4, 5 and 6

  1. Remove the decorative facia on the valve cover, if equipped.
  2.  



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Fig. Fig. 3: Some engines have a decorative panel on the front valve cover that needs to be removed to access the front coils

  1. Unplug the coil harness connector.
  2.  



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Fig. Fig. 4: Pinch the tab to unplug the connector ...

  1. Unbolt the coil retaining fastener(s). Some models have only one bolt, while others have two fasteners.
  2.  



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Fig. Fig. 5: ... then remove the retainer bolts ...

  1. Carefully pull the coil assembly out of the engine.
  2.  



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Fig. Fig. 6: ... and lift the coil out of the spark plug recess

To install:
  1. Place the coil into the spark plug recess. Make certain the tip of the coil is seated on the spark plug, and not beside it.
  2.  
  3. Fasten the coil with the retaining bolt(s).
  4.  
  5. Plug the harness connector onto the coil.
  6.  
  7. Replace the decorative facia, if equipped.
  8.  

If you are removing more than one coil at a time, be sure to label each coil, harness connector and cylinder.

 
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