Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2005GTREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1654 (ENGINE CONTROLS - PINPOINT TEST HE: EXHAUST GAS RECIRCULATION (EGR) SYSTEMS THROUGH PINPOINT TEST HZ: NATURAL VACUUM LEAK DETECTION - (EXCEPT DIESEL & HYBRID))PINPOINT TEST HH: EXHAUST GAS RECIRCULATION SYSTEM MODULE (ESM)INTRODUCTION
2005 Ford GT
PINPOINT TEST HH: Exhaust Gas Recirculation System Module (ESM): Introduction
2005 Ford GTSECTION Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- ESM (9Y456)
- orifice tube assembly (9D477)
- differential pressure feedback exhaust gas recirculation (EGR) sensor pressure hoses
- vacuum lines
- harness circuits: DPFE, SIGRTN, EVR, VPWR and VREF
- powertrain control module (PCM) (12A650)
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PINS REFERENCE CHART
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series | 190-PIN | E21 E64 E63 E64 E48 |
EVR SIGRTN VREF SIGRTN DPFE |
| Mustang | 190-PIN | E63 E32 B40, E20 E32 E21 |
EVR SIGRTN VREF SIGRTN DPFE |
| All other vehicles | 170 PIN | E63 E58 E57 B41, E58, T41 E21 |
EVR SIGRTN VREF SIGRTN DPFE |
RENDER: 1.0x
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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.