| Removal |
| 1. |
Disconnect the battery negative (-) cable. |
| 2. |
Disconnect the battery sensor connector (A). |
| 3. |
Remove the battery negative (-) cable after removing the bolts (B).
|
| Installation |
| 1. |
Install in the reverse order of removal.
|
Battery Sensor Description and Operation
Starting SystemHyundai 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: Photo Sensor Repair procedures
Inspection
1.
Turn the ignition switch ON.
2.
Connect the GDS.
3.
Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.
4.
The voltage will rise with higher intensive light and reduce with lower intensive light.
1. Auto light signal2. Auto ...