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Home >> Chrysler >> 2002 >> Intrepid Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P2302: Ignition Coil #1 Secondary Circuit-Insufficient Ionization, DTC P2305: Ignition Coil #2 Circuit-Insufficient Ionization, DTC P2308: Ignition Coil #3 Circuit-Insufficient Ionization, DTC P2311: Ignition Coil #4 Circuit-Insufficient Ionization, DTC P2314: Ignition Coil #5 Circuit-Insufficient Ionization Or DTC P2317: Ignition Coil #6 Circuit-Insufficient Ionization >> Testing

DTC P2302: Ignition Coil #1 Secondary Circuit-Insufficient Ionization, DTC P2305: Ignition Coil #2 Circuit-Insufficient Ionization, DTC P2308: Ignition Coil #3 Circuit-Insufficient Ionization, DTC P2311: Ignition Coil #4 Circuit-Insufficient Ionization, DTC P2314: Ignition Coil #5 Circuit-Insufficient Ionization Or DTC P2317: Ignition Coil #6 Circuit-Insufficient Ionization: Testing

  1. Turn ignition on, engine off. With the DRBIII®, read DTCs and record the related Freeze Frame data. Is the Good Trip counter displayed and equal to zero? If yes, go to next step. If no, go to step  3.
  2. Turn the ignition off. Disconnect the Ignition Coil harness connector that is related to the DTC that is set. Remove the ignition coil. Before continuing inspect the Ignition Coil for damage or carbon tracking on the Coil or the spark plug insulator boot. Replace Ignition Coil as necessary. If no problem is found, install a spark tester to the Ignition Coil. Reconnect the Ignition Coil harness connector to the Ignition Coil. While cranking the engine, observe the spark coming from the spark tester. The Ignition Coil should generate a crisp Blue spark that is able to jumper the gap of the spark tester. Does the Ignition Coil generate a good spark. If yes, replace the Spark Plug. If no, replace the Ignition Coil.
  3. Turn the ignition off. Remove the Spark Plug. Inspect the Spark Plug for the following conditions.
    • Cracks
    • Carbon Tracking
    • Foreign Material
    • Gap Size Out Of Specification
    • Loose Or Broke Electrode

    Lightly tap the bottom of the spark plug on a solid surface. The electrode in the spark plug should not move. Were any of the above conditions present? If yes, replace the Spark Plug. If no, go to next step.

    4. WARNING: When the engine is operating, do not stand in a direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing.
  4. The conditions that set the DTC are not present at this time. The following may help in identifying the intermittent condition. With the engine running at normal operating temperature, monitor the DRBIII® parameters related to the DTC while wiggling the wiring harness. Look for parameter values to change and/or a DTC to set. Review the DRBIII® Freeze Frame information. If possible, try to duplicate the conditions under which the DTC was set. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals. Were any of the above conditions present? If yes, repair as necessary. If no, test is complete.
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