Hyundai Elantra: Engine Control System / Crankshaft Position Sensor (CKPS) Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Engine Control/Fuel System / Engine Control System / Crankshaft Position Sensor (CKPS) Description and Operation

Description

Crankshaft Position Sensor (CKPS) detects the crankshaft position and is one of the most important sensors of the engine control system. If there is no CKPS signal input, the engine may stop because of CKPS signal missing. This sensor is installed on the cylinder block or the transaxle housing and generates alternating current by magnetic flux field which is made by the sensor and the target wheel when engine runs.

The target wheel consists of 58 slots and 2 missing slots on 360 degrees CA (Crank Angle).

Engine Coolant Temperature Sensor (ECTS) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the ECTS connector. 3. Remove the ECTS. 4. After immersing the thermistor of the sensor into engine coolant, measure resistanc ...

Crankshaft Position Sensor (CKPS) Specifications

Specification ItemSpecificationCoil Resistance (?)774 ~ 946 [20°C(68°F)] ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Detecting sensor
The rear radars are located inside the rear bumper for detecting the side and rear areas. Always keep the rear bumper clean for proper operation of the system. NOTICE The system may not work properly when the bumper has been damaged, or if the rear bumper has been replaced or repaired. ...

Hyundai Elantra AD (2016-2020) Owners Manual: Auto Door Lock/ Unlock Features
Impact sensing door unlock All doors will be automatically unlocked when an impact causes the air bags to deploy. Speed sensing door lock All doors will be automatically locked when vehicle speed exceeds 9 mph (15 km/h). All of the doors will be automatically unlocked after the engine is turne ...