| Removal |
| 1. |
Disconnect the negative(-) battery terminal. |
| 2. |
Remove the crash ped lower panel.
(Refer to Body - "Crash Ped Lower Panel") |
| 3. |
Remove the start/stop button (B) after disconnect the connector (A).
|
| Installation |
| 1. |
Install the start/stop button. |
| 2. |
Install the crash pad lower panel. |
| 3. |
Connect the negative (-) battery terminal. |
Start/Stop Button Components and Components LocationHyundai Elantra AD (2016-2020) Service Manual: Variable Intake Solenoid (VIS) Valve Description and Operation
Description
Variable Intake manifold Solenoid (VIS) valve is installed on
the intake manifold. The VIS valve controls the vacuum modulator which
activates a valve in the intake manifold. The ECM opens or closes this
valve according to engine condition (Refer to below table).
Engine cond ...
Hyundai Elantra AD (2016-2020) Service Manual: Knock Sensor (KS) Description and Operation
Description
Knocking is a phenomenon characterized by undesirable
vibration and noise and can cause engine damage. Knock Sensor (KS) is
installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block
is applied as pressure to the piez ...