QB2 - Inspect Engine Compartment Wiring For Proper Routing

1994 Ford Taurus V6-182 3.0L DOHC SHOSECTION QB2 - Inspect Engine Compartment Wiring For Proper Routing


- Inspect Electronic Engine Controls (EEC) wiring for closeness to ignition components or wires. If EEC wiring is close, reroute as necessary.

- Clear continuous memory Diagnostic Trouble Code (DTC). Clearing Diagnostic Trouble Codes

- Wait five minutes to allow DTC 15/512 to reset.

- Rerun Key On Engine Off Self-Test. Key ON Engine Running (KOER) Self-Test

- Is DTC 15 or 512 still present on retest?

Yes -- Replace Powertrain Control Module (PCM). Remove breakout box. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Remove breakout box. Reconnect PCM. Service other DTCs as necessary. If none, testing is complete.
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.