X107 - Check For Shorts to Power

1994 Ford Taurus V6-182 3.0L DOHC SHOSECTION X107 - Check For Shorts to Power


- Key "ON", engine "OFF".

- Breakout box installed, Powertrain Control Module (PCM) disconnected.

- Connect a test lamp between test pin 19 and test pin 40.

- Observe test lamp for an indication of a fault while performing the following (The lamp will turn on when a fault is detected, indicating a short to power. Also, if possible, listen for fuel pump turning on.)

- Shake, wiggle, bend the Fuel Pump Monitor circuit and power-to-pump circuit, especially where they may be in the vicinity of a power circuit.

- Lightly tap the Constant Control Relay Module (CCRM) (to simulate road shock).

- 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 -- For dual Heated Oxygen Sensor (HO2S) applications: Go to X116. X116 - Check Left Front HO2S Circuit For Short to Power

All others: For further diagnosis using the EEC-IV monitor box or Scan Tool, go to Normal Scan Data Values. If an EEC-IV monitor box or Scan Tool is not available, go to X120. X120 - Road Test

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.