| Inspection |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Pull out the relay from the engine compartment relay block. |
| 1. |
After supplying power to between No. 85 and 86 power relay
terminals, check that there is continuity between No. 30 and 87
terminals. |
| 2. |
After disconnecting power between No. 85 and 86 power relay
terminals, check that there is no continuity between No. 30 and 87
terminals.
Engine Room Relay Block
|
| 1. |
After supplying power to between No. 85 and 86 power relay
terminals, check that there is continuity between No. 30 and 87
terminals. |
| 2. |
After disconnecting power between No. 85 and 86 power relay
terminals, check that there is no continuity between No. 30 and 87
terminals.
|
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Push the four hooks (B) in the direction of the arrow and lift up the PCB block (A).
|
| 3. |
Remove the PCB block by disconnet the connector.
|
| 1. |
Check that the fuse holders are loosely held and that the fuses are securely fixed by the holders. |
| 2. |
Check that each fuse circuit has the exact fuse capacity. |
| 3. |
Check the fuses for any damage.
|


|
Relay Box (Engine Compartment) Components and Components Location
Relay Box (Passenger Compartment) Components and Components LocationHyundai Elantra AD (2016-2020) Service Manual: Camshaft Position Sensor (CMPS) Description and Operation
Description
Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft position by using a hall element.
It is related with Crankshaft Position Sensor (CKPS) and
detects the piston position of each cylinder which the CKPS can't
detect.
The CMPS is installed on engine head cov ...
Hyundai Elantra AD (2016-2020) Service Manual: Injector Description and Operation
Description
Based on information from various sensors, the ECM can
calculate the fuel amount to be injected. The fuel injector is a
solenoid-operated valve and the fuel injection amount is controlled by
length of injection time. The ECM controls each injector by grounding
the control circ ...