PA3 - Check Spout Circuit For Short to B+ (Excluding VREF)
- Key "OFF".
- Breakout box installed, Powertrain Control Module (PCM) disconnected.
- Ignition Control Module (ICM) disconnected.
- Key "ON", engine "OFF".
- Measure voltage between test pin 36 and test pin 40 or 60 at the breakout box.
- Is voltage reading greater than 10.5 volts?
Yes -- Service short circuit. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)
No -- Go to PA4. PA4 - Check Spout For Short to VREF, Ground and PIP