TA4 - Check CPP Circuit For Short to Ground

- Key "OFF".

- Breakout box installed, Powertrain Control Module (PCM) disconnected.

- Measure resistance between test pin 30 and test pin 46 at the breakout box.

- Is resistance less than 10,000 ohms?

Yes -- For vehicles with A/C: Go to pinpoint test step KM40. KM40 - Check A/C Input

All others: Replace PCM. Remove breakout box. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Service short circuit. Remove breakout box. Reconnect PCM. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)