X85 - Check Inertia Fuel Shutoff Switch
- Key "OFF".
- Locate and disconnect Inertia Fuel Shutoff (IFS) switch (verify that switch is reset).
- Measure resistance between the "C" and "NC" pins of the IFS switch.
- Is resistance less than 5.0 ohms?
Yes -- Reconnect IFS switch. Refer to Fuel Delivery and Air Induction for open in power-to-pump circuit, poor fuel pump ground, open in fuel pump, etc.
No -- Replace or reset IFS switch. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)