Kia Rio: Automatic Transaxle Control System / Input Speed Sensor

Kia Rio 2017-2023 YB Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Input Speed Sensor

Specifications

Specification

Item	Specification
Type	Hall effect sensor
Current	22 mA (Max)
Output voltage	High : 4.8 V - 5.2 V
Output voltage	Low : Below 0.8

Description and operation

Description

•	Measures the rate of rotation of the input shaft inside the transaxle and delivers the readings to the TCM.

•	The sensor provides critical input data used in feedback control, torque converter clutch control, gear setting control, line pressure control, clutch activation pressure control, and sensor fault analysis.

Schematic diagrams

Circuit Diagram

Repair procedures

Inspection

1.	Check the signal waveform of input speed sensor using the KDS/GDS.

Low speed

High speed

Removal

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

2.	Disconnect the input speed sensor connector (A).

Remove the input speed sensor (A) after loosening the bolt.

Tightening torque :

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

Installation

1.	Install in the reverse order of removal.

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Output Speed Sensor❯

Specifications Specification Item Specification Type Hall effect sensor Current 22 mA (Max) Output voltage High : 4.

Other information:

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