Nissan Pick-ups and Pathfinder 1989-1995

Ignition Coil

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TESTING



See Figures 1 through 6

Primary Resistance Check

In order to check the coil primary resistance, you must first disconnect all wires from the ignition coil terminals. Using an ohmmeter, check the resistance between the positive and the negative terminals on the coil. The resistance should be:



Z24i-0.80-1.00 ohms
 
VG30i-0.80-1.00 ohms
 
KA24E-0.80-1.00 ohms
 
VG30E-0.80-1.00 ohms
 

Remember that all Z24i engines have 2 ignition coils; check them both!

If the resistance is not within these tolerances, the coil will require replacement.

Secondary Resistance Check

In order to check the coil secondary resistance, you must first disconnect all wires from the ignition coil terminals. Using an ohmmeter, check the resistance between the positive terminal and the coil wire terminal. The resistance should be:



Z24i-7600-11,400 ohms
 
VG30i-7600-11,400 ohms
 
KA24E-7600-11,400 ohms
 
VG30E-7600-11,400 ohms
 

Remember that all Z24i engines have 2 ignition coils; check them both!

If the resistance is not within these tolerances, the coil will require replacement.

REMOVAL & INSTALLATION



See Figures 7, 8 and 9

  1. Disconnect the negative battery cable.
  2.  
  3. Tag and disconnect all electrical leads at the coil.
  4.  
  5. Remove the two mounting bolts and lift off the ignition coil.
  6.  

To install:
  1. Install the coil in position and tighten the mounting bolts.
  2.  
  3. Connect all wires.
  4.  
  5. Connect the negative battery cable.
  6.  



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Fig. Fig. 1: Checking the coil primary resistance-Z24i (VG30i similar)



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Fig. Fig. 2: Checking the coil secondary resistance-Z24i (VG30i similar)



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Fig. Fig. 3: Checking the ignition coil-KA24E engine



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Fig. Fig. 4: Checking the ignition coil-VG30E engine



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Fig. Fig. 5: When checking the power transistor, there should be continuity between terminals A and B-KA24E engine



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Fig. Fig. 6: When checking the power transistor, there should be continuity between terminals A and B-VG30E engine



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Fig. Fig. 7: Remove the coil assembly mounting bolts-all 6-cylinder engines are similar



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Fig. Fig. 8: Remove the electrical connection from the coil assembly



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Fig. Fig. 9: Remove the coil ignition wire from the coil assembly

END OF SECTION



 
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