Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

AB10 - Check PIP Signal In PCM



- Key "OFF".

- Disconnect Powertrain Control Module (PCM).

- Measure voltage between test pin 56 and test pin 16 at the breakout box.

- Crank engine, record reading.

- Is voltage between 3.0 and 7.0 volts?

Yes -- Replace PCM. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Go to AB12. AB12 - Check Fuel Pressure