Hyundai Kona: Dual Clutch Transmission 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 abnomal
Check the inspection FLOW and replace the inhibitor switch
Inhibitor switch "N" setting faulty
Adjust "N" setting using "N" setting jig (Refer to Dual Clutch Transmission Control System - "Inhibitor Switch")
Shift cable separation faulty
Adjust shift cable separation (Refer to Dual Clutch Transmission Control 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 (TCU) 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 Inspection Flow Items to check 1. Inspect DTC code. 2. Inspect whether N setting matches. – ...

Other information:

Hyundai Kona (OS) 2018-2026 Service Manual: CVVT (Continuous Variable Valve Timing) System Description and operation
Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valves in accordance with the ECM control signal calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, w ...

Hyundai Kona (OS) 2018-2026 Service Manual: Power Door Mirror Actuator Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the front door quadrant inner cover (A). 3. Disconnect the power door mirror connector from the harnes ...

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