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.
Pinpoint Tests AX: Intake Throttle: Introduction
This pinpoint test is intended to diagnose the following:
- harness circuits: TACM+, TACM-, TP, SIGRTN and VREF
- intake throttle actuator (9E926)
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Transit Connect | A | 2 1 4 3 5 |
TACM- TACM+ TP SIGRTN VREF |
| All other vehicles | B | 2 1 3 4 5 |
TACM- TACM+ TP SIGRTN VREF |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150 | A | 24 23 15 |
TACM- TACM+ TP |
| Transit Connect | B | 83 78 56 |
TACM- TACM+ TP |
| All other vehicles | A | 3 2 122 |
TACM- TACM+ TP |
Use the Manual With the Right Hardware
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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.
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