Hyundai Azera: Inhibitor Switch Repair procedures

Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Inhibitor Switch Repair procedures

Inspection

•	Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

Inspection flow

Items to check

1.	Inspect DTC code.

Inspect whether N setting matches.

A.	Adjust N setting (refer to automatic transmission system - "inhibitor switch")

Inspect shift cable separation.

A.	Adjust shift cable separation (refer to automatic transmission system - "shift cable")

Inspect whether connector is connected.

A.	Inspect connector thoroughly for looseness, poor connection, bending, corrosion, contamination, deformation, or damage.

Turn ignition key "ON" and engine "OFF" and measure the power supplied to inhibitor switch circuit and voltage between ground.

Specification: approx. 12 V

C.	Fix the pin wiring when connector pin wiring is faulty (refer to ETM - "wiring repair").

Inspect ground condition on reversing light circuit.

A.	Check the ground location of reversing light (refer to ETM - "harness location map").

B.	Reattach reversing light if ground condition is faulty.

Inspect wiring connection on junction box power terminal and fuse lamp.

A.	Check whether fuse holder is separated and holder is holding the fuse tight.

B.	Attach tester fuse to check if it is connected appropriately.

C.	Check whether fuse capacity is appropriate for each circuit.

D.	Check if fuse is damaged.

E.	Check pulling of fuse fixing wiring, inflow of foreign substance, and arrangement condition of terminal.

F.	Relocate the terminal that has been pulled and inspect using the method explained above.

G.	When problem is not solved, refer to the circuit diagram wiring repair instructions to fix or replace the terminal.

Inspect inhibitor switch signal.

A.	Turn ignition key "ON" and engine "OFF".

Measure the voltage between each terminal and chassis ground when shifting lever to "P, R, N, D" range.

Specified value: refer to specification "signal code" table

Removal

1.	Make sure vehicle does not roll before setting room side shift lever and Automatic Transaxle(AT) side manual control lever to "N" position.

2.	Remove the battery and the battery tray. (Refer to Engine Electrical System - "Battery")

3.	Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air cleaner")

Remove the shift cable mounting nut (B).

Tightening torque:

9.8 ~ 14.7 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8 lb-ft)

5.	Disconnect the inhibitor switch connector (A).

Remove the manual control lever (B) and the washer after removing a nut (A).

When installing, affix the manual control lever and the inhibitor switch with O5mm (0.1969in.). Then tighten the inhibitor assembly mounting bolts.

Remove the inhibitor assembly (A) after removing the bolts (2ea).

Tightening torque:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

When installing, tighten the inhibitor assembly mounting bolt lightly, so that necessary adjustments can be made. Tighten to specifications.

Installation

1.	Installation is the reverse of removal.

Inhibitor Switch Troubleshooting

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Hyundai Azera: Inhibitor Switch Repair procedures

Inhibitor Switch Troubleshooting

Shift Lever Components and Components Location

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