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
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Inhibitor Switch Repair procedures
Inspection
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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: Front Bumper Repair procedures
Replacement
•
Put on gloves to protect your hands.
•
When prying with a flat-tip screwdriver, wrap it with protective tape to prevent damage.
•
Take care not bend or scratch the cover and other parts.
1.
Loosen the radiator upper cover mounting bol ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Rear Parking Assist System Control Unit Description and Operation
Description
When reversing, the driver is not easy to find objects in the
blind spots and to determine the distance from the object. In order to
provide the driver safety and convenience, back warning system will
operate upon shifting to "R" Ultrasonic sensor will emit ultrasonic wave
rea ...
