Hyundai Ioniq (AE): Inhibitor Switch / Troubleshooting

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / DCT(Dual Clutch Transmission) System / 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 abnormal
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)

    Circuit Diagram

    Inspection    â€¢ Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Blower Unit. Components and components location

    Component Location1. Blower unit assembly Components1. Duct Seal2. Intake duct case3. Air intake door assembly4. Intake door5. Seal6. Intake duct case (A)7. Air filter cover (A)8. Intake actuator9. Air filter cover10. Air filter 11. Blower unit pad12.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Parking Distance Warning (PDW) Sensor. Repair procedures

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the front / rear bumper cover.(Refer to Body - "Front Bumper Cover")(Refer to Body - "Rear Bumper Cover")3.Disconnect the connector (A) from the parking assist sensor.4.Remove the sensor (A) by pulling out both ends of the sensor holder.

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