Mitsubishi Car 1999-05

Ignition Coil

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Removal & Installation



1.5L, 1.8L, 2.4L, And 3.5L Engines

NOTE
The ignition coil is an integral part of the distributor.

The ignition coil is an integral part of the distributor.

2.0L SOHC And 3.0L SOHC Engines


Click image to see an enlarged view

Fig. Ignition system component locations-3.0L engine

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the coil wire from the ignition coil by gripping the boot and not the cable.
  4.  
  5. Detach the electrical connectors for the coil.
  6.  
  7. Remove the retaining screws and coil from engine.
  8.  
  9. Installation is the reverse of the removal procedure.
  10.  

Testing



  1. Unplug the electrical connector at the coil. Using an ohmmeter, measure the resistance between the two terminals of the coil, NOT THE WIRE HARNESS .
  2.  
  3. Measure the resistance and compare to the desired specifications of:
  4.  


    0.9-1.2 ohms on the 2.0L SOHC engine
     
    0.72-0.88 ohms on the 3.0L SOHC engine
     

  5. If the actual reading differs from the desired specification, replace the ignition coil.
  6.  
  7. If the measured value is within standard allowance, there are no broken wires or short circuits.
  8.  

1.5L, 1.8L, 2.4L, And 3.5L Engines


Click image to see an enlarged view

Fig. Distributor connector pins and location-1.5L and 1.8L engines



Click image to see an enlarged view

Fig. Distributor connector pins and location-2.4L SOHC engine



Click image to see an enlarged view

Fig. Distributor connector pins and location-3.5L engine


NOTE
The ignition coil is an integral part of the distributor.

  1. Measure the resistance of the primary ignition coil as follows:
  2.  

  1. Unplug the electrical connector at the distributor. Using an ohmmeter, measure the resistance between the two terminals of the distributor, NOT THE WIRE HARNESS , except for the 3.5L engine, in which you test across terminals 1 and 2 of the distributor.
  2.  
  3. Measure the resistance and compare to the desired specifications of:
  4.  


    0.9-1.2 ohms on the 1.5L, 1.8L, and 2.4L engines
     
    0.5-0.7 ohms on the 3.5L engine
     

  5. If the actual reading differs from the desired specification, replace the ignition coil.
  6.  
  7. If the measured value is within standard allowance, there are no broken wires or short circuits.
  8.  

  1. Measure the resistance of the secondary ignition coil as follows:
  2.  

  1. Insert one of the test leads into the secondary ignition coil terminal on top of the distributor cap.
  2.  
  3. Touch the second test lead to terminal 1 or terminal 2 of the distributor connector.
  4.  
  5. Measure the resistance and compare to the desired specifications of:
  6.  


    20-29 kilo-ohms on the 1.5L, 1.8L, and 2.4L engines
     
    9-13 kilo-ohms on the 3.5L engine
     

  7. If the measured value is within standard allowance, there are no broken wires or short circuits.
  8.  
  9. If the actual reading differs from the desired specification, replace the ignition coil.
  10.  



Click image to see an enlarged view

Fig. Distributor connector pins and location-1.5L and 1.8L engines



Click image to see an enlarged view

Fig. Distributor connector pins and location-2.4L SOHC engine



Click image to see an enlarged view

Fig. Distributor connector pins and location-3.5L engine


NOTE
The ignition coil is an integral part of the distributor.

  1. Measure the resistance of the primary ignition coil as follows:
    1. Unplug the electrical connector at the distributor. Using an ohmmeter, measure the resistance between the two terminals of the distributor, NOT THE WIRING HARNESS , except for the 3.5L engine, in which you test across terminals 1 and 2 of the distributor.
    2.  
    3. Measure the resistance and compare to the desired specifications of:

      0.9-1.2 ohms on the 1.5L, 1.8L, and 2.4L engines
       
      0.5-0.7 ohms on the 3.5L engine
       

    4.  
    5. If the actual reading differs from the desired specification, replace the ignition coil.
    6.  
    7. If the measured value is within standard allowance, there are no broken wires or short circuits.
    8.  

  2.  
  3. Measure the resistance of the secondary ignition coil as follows:
    1. Insert one of the test leads into the secondary ignition coil terminal on top of the distributor cap.
    2.  
    3. Touch the second test lead to terminal 1 or terminal 2 of the distributor connector.
    4.  
    5. Measure the resistance and compare to the desired specifications of:

      20-29 kilo-ohms on the 1.5L, 1.8L, and 2.4L engines
       
      9-13 kilo-ohms on the 3.5L engine
       

    6.  
    7. If the measured value is within standard allowance, there are no broken wires or short circuits.
    8.  
    9. If the actual reading differs from the desired specification, replace the ignition coil.
    10.  

  4.  

2.0L SOHC & 3.0L Engines


Click image to see an enlarged view

Fig. Distributor connector pins and location-3.0L engine

  1. Measure the resistance of the primary ignition coil as follows:
    1. Unplug the electrical connector at the coil. Using an ohmmeter, measure the resistance between the two terminals of the coil, NOT THE WIRE HARNESS .
    2.  
    3. Measure the resistance and compare to the desired specifications of:

      0.9-1.2 ohms on the 2.0L SOHC engine
       
      0.72-0.88 ohms on the 3.0L SOHC engine
       

    4.  
    5. If the actual reading differs from the desired specification, replace the ignition coil.
    6.  
    7. If the measured value is within standard allowance, there are no broken wires or short circuits.
    8.  

  2.  
  3. Measure the resistance of the secondary ignition coil as follows:
    1. Insert one of the test leads into the secondary ignition coil terminal on top of the distributor cap.
    2.  
    3. Touch the second test lead to terminal 1 or terminal 2 of the distributor connector.
    4.  
    5. Measure the resistance and compare to the desired specifications of:

      20-29 kilo-ohms on the 2.0L SOHC engine
       
      10.29-13.92 kilo-ohms on the 3.0L SOHC engine
       

    6.  
    7. If the measured value is within standard allowance, there are no broken wires or short circuits.
    8.  
    9. If the actual reading differs from the desired specification, replace the ignition coil.
    10.  

  4.  

 
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