AC9 - Check PIP Signal
- Key "OFF".
- Breakout box installed, Powertrain Control Module (PCM) disconnected.
- Reconnect Ignition Control Module (ICM).
- Measure voltage between test pin 56 and test pin 16 at breakout box.
- Crank engine, record reading.
- Is voltage between 3.0 and 7.0 volts?
Yes -- Go to AC10. AC10 - Isolate Shorts In PCM
No -- Replace ICM. Remove breakout box. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)