X106 - Check FPM Circuit
- Key "OFF".
- Disconnect Powertrain Control Module (PCM). Inspect for damaged or pushed out pins, corrosion, loose wires, etc. Service as necessary.
- Install breakout box, leave PCM disconnected.
- Key "ON", engine "OFF".
- Connect a test lamp between test pin 8 and test pin 37 at the breakout box.
- Observe test lamp for an indication of a fault while performing the following (the light will go out when a fault is found, indicating an open):
- Shake, wiggle, bend the Fuel Pump Monitor circuit between the splice into the power-to-pump circuit and the PCM.
- Is fault indicated?
Yes -- Isolate fault and service as necessary. Remove breakout box. Reconnect PCM. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)
No -- Go to X1O7. X107 - Check For Shorts to Power