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.
2012 Hyundai Equus V8-5.0LFACTORY OEM SERVICE PROCEDURE
Transmission Position Sensor/Switch: Service and Repair
Inspection
NOTE:
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Power Circuit Inspection
1. Disconnect the Inhibitor switch connector.
2. Ignition KEY "ON"" & Engine "OFF".
3. Measure voltage between supplied power and ground at inhibitor circuit.
Specification :Approx. 12V
Signal Circuit Inspection
1. Connect the Inhibitor switch connector.
2. Ignition KEY "ON" & Engine "OFF".
3. Measure voltages between each terminal and chassis ground during shift lever changed "P, R, N, D".
Specification :See below "Signal Code Table"
Signal Code Table
Removal
1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
2. Remove the shift cable (A).
3. Remove the manual control lever (D) after removing a nut (C).
4. Remove the inhibitor switch assembly (F) after removing the bolts (E).
Tightening torque:
[C] 16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)
[E] 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
Installation
1. Installation is the reverse of removal.
NOTE:
Assembly the control lever (G) after seeing hole (H) aligning.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
