Hyundai Tucson: Automatic Transaxle Control System / Inhibitor Switch Troubleshooting

Fault Diagnosis
Fault Diagnosis for Symptom
Major Symptom
Expected Cause
Items to Check and Measures
Shift lever not operating
Gear not marked on cluster
Shock occurs while shifting lever Warning lamp ON
Engine OFF while vehicle is parked
Inhibitor switch circuit abnormal
Inhibitor switch function abnormal
Check the inspection FLOW and replace the inhibitor switch
Inhibitor switch "N" setting faulty
Adjust "N" setting using "N" setting jig (refer to automatic transmission system - "inhibitor switch")
Shift cable separation faulty
Adjust shift cable separation (refer to automatic transmission system - "inhibitor switch")
Poor ground condition on reversing light circuit
Check the ground condition on reversing light and retighten it
Inhibitor switch vehicle side circuit abnormal
Check the connection of junction box power terminal, fuse (TCU2) terminal and replace the junction box or adjust the gap
Check inside the inhibitor switch connector for foreign substance and whether terminal is bent
Poor ground condition on inhibitor switch wire
Check the ground condition of wire and retighten it
Poor inhibitor unit (disconnection/short-circuit)
Replace inhibitor switch (refer to inhibitor switch inspection)

Inhibitor Switch Schematic Diagrams
Circuit Diagram ...

Inhibitor Switch Repair procedures
Inspection     • Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Inspection flow Items to ch ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Head Lamps Components and Components Location
Component (1) 1. Head lamp assembly lens and housing2. Head lamp high/low bulb3. Dust cover4. Trun signal lamp socket5. Turn signal lamp bulb6. Side marker lamp bulb ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Outside rearview mirrors
Your vehicle is equipped with both lefthand and right-hand outside mirrors. WARNING The right outside rearview mirror is convex. Objects seen in the mirror are closer than they appear. Use your interior rearview mirror or turn your head and look to determine the actual distance of f ...

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