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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 47 (Automatic Transaxle Control System - 2.0L (Except HEV)) >> Inhibitor Switch >> Troubleshooting >> Fault Diagnosis >> Fault Diagnosis for Symptom

Fault Diagnosis for Symptom

WARNING: This page is about a different variant/trim than selected.
Major Symptom Expected Cause Items to Check and Measure
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 Inspection  for inhibitor switch inspection)