| Circuit Diagram |

Input Speed Sensor Specifications
Input Speed Sensor Repair proceduresHyundai Elantra AD (2016-2020) Service Manual: Heated Oxygen Sensor (HO2S) Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina
and is installed both upstream and downstream of the Catalytic
Converter. It varies in accordance with the air/fuel ratio.
The sensor must be hot in order to operate normally. To keep
it hot, the sensor has a heater ...
Hyundai Elantra AD (2016-2020) Service Manual: Seat Belt Buckle Switch (BS) Components and Components Location
Components
1. Seat Belt Buckle Switch (BS)
...