KM41 - Check For Short to Power In PCM

- Key "OFF".

- Breakout box installed.

- Connect Powertrain Control Module (PCM) to breakout box.

- Disconnect A/C clutch.

- Key "ON", engine "OFF".

- Measure voltage between test pin 10 and test pin 40 at the breakout box.

- Is voltage greater than 5.0 volts?

Yes -- Replace PCM. Reconnect A/C clutch. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Reconnect A/C clutch. Go to pinpoint test step TD1.