Kia Rio: Automatic Transaxle Control System / Input Speed Sensor

Kia Rio 2017-2024 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.

Transaxle Oil Temperature Sensor

Specifications Specification Item Specification Type *NTC thermistor Temp.[(°C)°F] / Resistance (kΩ) ...

Output Speed Sensor

Specifications Specification Item Specification Type Hall effect sensor Current 22 mA (Max) ...

Other information:

Kia Rio 2017-2024 YB Owners Manual: To resume cruising speed at more than approximately 30 km/h (20 mph)

If any method other than the CRUISE button was used to cancel cruising speed and the system is still activated, the most recent set speed will automatically resume when you move the lever up (to RES+). It will not resume, however, if the vehicle speed has dropped below approximately 30 km/h ...

Kia Rio 2017-2024 YB Service Manual: Automatic Transaxle Control System

Description and operation Description Automatic transaxle control system relies on various measurements to determine the current control status and determine the necessary compensation values. These values are used to control the actuators and achieve the desired control output. ...