Kia Rio: Automatic Transaxle Control System / Inhibitor Switch

Kia Rio 2017-2025 YB Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Inhibitor Switch

Description and operation

Description

Detect the position of shift lever through the contact switch.

Operation Table

Schematic diagrams

Circuit Diagram

Repair procedures

Inspection

Check the condition of connector.

(1)	Inspect connector thoroughly for looseness, poor connection, bending, corrosion, contamination, deformation, or damage.

(2)

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

Specification : Approx. 12 V

Check the inhibitor switch circuit signal.

(1)	Turn Ignition "ON", & engine "OFF".

(2)	Measure the voltages between each signal terminal and chassis ground in each range (P, R, N, D). Signal Code Table

Removal

1.	Shift the gear to "N".

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

3.	Disconnect the inhibitor switch connector (A) and loosen the shift cable mounting nut (B).

4.	Remove the inhibitor switch (B) after removing the manual control lever (A).

Installation

1.	Check that the gear is shifted to "N".

Install the manual control lever (A) after installing the inhibitor switch (B).

•	Lightly tighten the inhibitor switch mounting bolts so that necessary adjustments can be made.

•	Lightly tighten the manual control lever nut so that necessary adjustments can be made.

3.	Align the hole in the manual control lever with the "N" position hole of the inhibitor switch and then insert the SST (09480-A3800).

Tighten the manual control lever mounting nut (A).

Tightening torque :

16.7 - 20.6 N·m (1.7 - 2.1 kgf·m, 12.3 - 15.2 lb·ft)

Tighten the inhibitor switch mounting bolts (A).

Tightening torque :

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

6.	Remove the SST (09480-A3800).

7.	Connect the inhibitor switch connector (A).

Tighten the nut (B) to the specified torque after removing free play by pushing the shift cable in the direction of the arrow

Tightening torque :

9.8 - 13.7 N·m (1.0 - 1.4 kgf.m, 7.2 - 10.1 lb·ft)

9.	Install the air cleaner. (Refer to Engine Mechanical System - "Air cleaner")

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