DTC Troubleshooting: P0301 (71), P0302 (72), P0303 (73), P0304 (74)
  1. Check for continuity between ignition coil 3P connector terminal No. 2 and body ground.
Is there continuity?
YES -
Go to Step 34 .
NO -
Repair open in the wire between the ignition coil and G101, then go to Step 60 .
  1. Turn the ignition switch OFF.
  1. Jump the SCS line with the HDS.
  1. Disconnect ECM connector C (44P).