Hyundai Ioniq (AE): Inhibitor Switch / Troubleshooting
| Fault Diagnosis |
| Fault Diagnosis for Symptom |
|
Major Symptom
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Expected Cause
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Items to Check and Measures
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| 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 • Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Other information:
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Auto Defogging Sensor. Repair procedures
Diagnosis With GDS1.The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).※ The diagnostic system (GDS) provides the following information.(1) Self diagnosis : Checking the failure code (DTC) and display.
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Description and operation
DescriptionRear view monitor (RVM) will activate when the backup light is ON with the ignition switch ON and the shift lever in the R position.This system is a supplemental system that shows behind the vehicle through the AV monitor while backing-up. • This system is a supplementary function only.
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