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