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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2014MUSTANG GT, 2D COUPE, AUTOMATIC TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - PINPOINT TEST H: FUEL CONTROL THROUGH PINPOINT TEST JD: CRANKSHAFT POSITION (CKP) SENSOR - (EXCEPT DIESEL & HYBRID)PINPOINT TEST HH: EXHAUST GAS RECIRCULATION SYSTEM MODULE (ESM)INTRODUCTION
2014 Ford Mustang GT, 2D Coupe, Automatic Trans
PINPOINT TEST HH: Exhaust Gas Recirculation System Module (ESM): Introduction
2014 Ford Mustang GT, 2D Coupe, Automatic TransSECTION Introduction
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
- PCM (12A650)
| Pin | Circuit |
|---|---|
| 1 | EVR (EGR Vacuum Regulator) |
| 4 | VPWR (Vehicle Power) |
| 6 | SIGRTN (Signal Return) |
| 5 | DPFE (Differential Pressure Feedback EGR) |
| 2 | VREF (Reference Voltage) |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to SECTION 6: REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series | 190-PIN | E21 E64 E63 E64 E48 |
EVR SIGRTN VREF SIGRTN DPFE |
| Mustang | 190-PIN | E35 E32 B40, E20 E32 E21 |
EVR SIGRTN VREF SIGRTN DPFE |
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.