Test Notes

Enter this pinpoint test only when directed here.

This pinpoint test is intended to diagnose the following:
- Ignition coil packs
- Ignition coil harness
- Vehicle power circuit to coil packs
- Powertrain control module

CAUTION: Fouled spark plugs or a damaged ignition system may cause high catalyst temperatures. Check components next to the catalyst and muffler for heat damage.