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DTC P1366: No Activation Of Cylinder No. 6 Ignition Coil

NOTE: After each repair, clear DTCs. See CLEARING CODES/PCM RESET PROCEDURE  under SELF-DIAGNOSTIC SYSTEM. Turn ignition off and then on. Read DTCs to verify repair is complete. For DLC and PCM connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagrams, see WIRING DIAGRAMS  .
  1. Using scan tool, read DTCs. If DTC P1366 is present, turn ignition off. Ensure ignition coil harness and connectors are not damaged and connections are okay. Repair as necessary. If harness and connectors are okay, go to next step.
  2. Disconnect No. 6 ignition coil harness connector. Using DVOM, check resistance across ignition coil terminals. Resistance should be about .75 ohm. If resistance is not within specification, replace coil. If resistance is within specification, go to next step.
  3. Check for continuity of Light Green/Purple wire between No. 6 coil connector terminal No. 1 and PCM Black connector terminal No. 11. Also check continuity of White/Brown wire (XJS) or White/Pink wire (XJR and XJ6) between ignition coil connector terminal No. 2 and PCM Red connector terminal No. 33. Repair wiring as necessary. If wiring is okay, go to next step.
  4. Remove PCM control relay. Check for short circuit to ground at No. 6 ignition coil connector terminals. Repair wiring as necessary. If wiring is okay, replace PCM control relay and go to next step.
  5. Clear DTCs. Turn ignition off and then on. Read DTCs. If DTC P1366 is not present, repair is complete. If DTC P1366 is present, replace PCM.
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