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.
2014 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE
2. TCM Terminal Function
CONNECTOR DESCRIPTION
| Pin | Description |
|---|---|
| 1 | Battery power |
| 2 | Battery power |
| 3 | Power (IG 1) |
| 4 | Ground |
| 5 | Ground |
| 6 | Ground |
| 7 | - |
| 8 | - |
| 9 | - |
| 10 | - |
| 11 | - |
| 12 | - |
| 13 | Inhibitor switch signal "S1" |
| 14 | Oil temperature sensor (+) |
| 15 | - |
| 16 | Sports mode up switch |
| 17 | Sports mode down switch |
| 18 | Presure switch |
| 19 | - |
| 20 | - |
| 21 | Inhibitor switch signal "S2" |
| 22 | Inhibitor switch signal "S4" |
| 23 | Inhibitor switch signal "S3" |
| 24 | - |
| 25 | - |
| 26 | - |
| 27 | - |
| 28 | - |
| 29 | Solenoid supply power (UD/C, 27/B, 8LR/B, D/C) |
| 30 | Input speed sensor power |
| 31 | Middle speed sensor power |
| 32 | - |
| 33 | - |
| 34 | - |
| 35 | - |
| 36 | - |
| 37 | - |
| 38 | Oil temperature sensor (-) |
| 39 | - |
| 40 | - |
| 41 | 35R Clutch control solenoid valve |
| 42 | 8LR Brake control solenoid valve |
| 43 | Underdrive clutch control solenoid valve |
| 44 | 6Speed clutch control solenoid valve |
| 45 | Line presure control solenoid valve |
| 46 | Damper clutch control solenoid valve |
| 47 | 4 & OD Clutch control solenoid valve |
| 48 | - |
| 49 | - |
| 50 | 27 Brake control solenoid valve |
| 51 | - |
| 52 | ON/OFF solenoid valve |
| 53 | - |
| 54 | Input speed sensor signal |
| 55 | Middle speed sensor signal |
| 56 | Output speed sensor signal |
| 57 | - |
| 58 | - |
| 59 | - |
| 60 | - |
| 61 | Sports mode select switch |
| 62 | - |
| 63 | - |
| 64 | - |
| 65 | CAN communication line (LOW) |
| 66 | - |
| 67 | - |
| 68 | - |
| 69 | - |
| 70 | Solenoid supply power 2 |
| 71 | - |
| 72 | - |
| 73 | Solenoid supply power (4 & OD/C, 35R/C, 6/C, L/P) |
| 74 | - |
| 75 | - |
| 76 | - |
| 77 | - |
| 78 | - |
| 79 | - |
| 80 | - |
| 81 | - |
| 82 | - |
| 83 | - |
| 84 | - |
| 85 | CCP CAN Low |
| 86 | CCP CAN High |
| 87 | CAN communication line (High) |
| 88 | - |
| 89 | - |
| 90 | - |
| 91 | - |
| 92 | - |
| 93 | Output speed sensor power |
| 94 | - |
Factory Service Tools
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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