Hyundai Tucson: Automatic Transaxle Control System / Inhibitor Switch Troubleshooting

Hyundai Tucson (LM) 2010-2015 Service Manual / Automatic Transaxle System / 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
	Inhibitor switch vehicle side circuit abnormal	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 Owners Manual: Ending voice recognition
While Voice Recognition is operating Press and hold the key on the steering remote controller ✽ NOTICE While using voice command, pressing any steering wheel control or a different key will end voice command. When the system is waiting for a voice command, say “cancel” or � ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Audio Remote Control Repair procedures
Inspection 1. Check for resistance between No.6 and No.7 terminals in each switch position. [Audio System] SwitchConnectorterminalResistance(±5%)Volume down6 - 76.81 kxVolume up6 - 74.61 kxMute6 - 73.11 kxMode6 - 72.11 kxSeek down6 - 71.11 kxSeek up6 - 7430 x 2. Check for voltage betwee ...