Hyundai Elantra: Automatic Transaxle Control System / Output Speed Sensor Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Output Speed Sensor Description and Operation

Description

The output speed sensor is a vital unit that measures the rate of rotation of the transaxle's turbine shaft and output shaft, and delivers the readings to the TCM. The sensor provides critical input data that's used in feedback control, damper clutch control, gear setting control, line pressure control, clutch activation pressure control, and sensor fault analysis.

Input Speed Sensor Repair procedures

Inspection 1. Using the GDS, check the input/output speed sensor waveforms. A. Turn OFF the ignition switch. B. Connect the GDS to the Data Link Connector(DLC) on the lower crash pad. C. ...

Output Speed Sensor Specifications

Specifications ? Type: Hall effect sensor ? Specifications ItemsSpecificationsOperation condition [°C(°F)](-40 ~ 150) -40 ~ 302Output voltage(V)High1.18 ~ 1.68Low0.59 ~ 0.84 ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Indicator lights
When the ignition switch is placed to the ON position, the ESC indicator light illuminates, then goes off if the ESC system is operating normally. The ESC indicator light blinks whenever the ESC is operating. If ESC indicator light stays on, your vehicle may have a malfunction with the ESC s ...

Hyundai Elantra AD (2016-2020) Service Manual: Rheostat Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Disconnect the rheostat switch connector (A). 4. Check for intensity of new rheostat switch. If the light intensity of the lamps changes sm ...