Hyundai Elantra: ISG (Idle Stop and Go) system / Battery Sensor Deactivation
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[A] : Battery sensor
The battery sensor is deactivated, when
the battery is disconnected from the
negative pole for maintenance purpose.
In this case, the ISG system is limitedly
operated due to the battery sensor
deactivation. Thus, the driver needs
to take the following procedures to
reactivate the battery sensor after
disconnecting the battery.
Prerequisites to reactivate the
battery sensor
Switch "ON" and "OFF" the ignition one
time. Park the vehicle for a minimum of 4
hours with the hood and all doors closed.
Pay extreme caution not to connect any
accessories (i.e. navigation and black
box) to the vehicle with the engine in the
OFF status. If not, the battery sensor may
not be reactivated.
Information
The ISG system may not operate in the
following situations.
-- There is a malfunction with the ISG
system.
-- The battery is weak.
-- The brake vacuum pressure is low.
If this occurs, have the ISG system
checked by an authorized HYUNDAI
dealer.
NOTICE
- Use only a genuine HYUNDAI
Absorbent Glass Mat (AGM) battery
for replacement. If not, the ISG
system may not operate normally.
- Do not recharge the Absorbent Glass
Mat (AGM) battery with a general
battery charger. It may damage or
explode the Absorbent Glass Mat
(AGM) battery.
- Do not remove the battery cap. The
battery electrolyte, which is harmful
to the human body, may leak out.
The ISG system may not operate:
When there is a malfunction with the ISG
sensors or the ISG system.
The followings occur, when there is a
malfunction with the ISG system:
The auto stop indicator ()
will
illuminate in yellow on the instrument
cluster...
Other information:
1. Instrument cluster
2. Driver’s front air bag
3. Engine start button
4. Key ignition switch
5. Infotainment system
6. Hazard warning flasher switch
7. Climate control system
8. Passenger’s front air bag
9. Glove box
10. Manual transmission/
Intelligent variable transmission
11. Drive mode button
12. Parking/View button
13. Electronic parking brake switch
14. AUTO HOLD button..
Components and components location
Component Location 1. Rear door window glass
Repair procedures
zReplacement1.Remove the rear door trim.(Refer to Rear Door - "Rear Door Trim")2.Remove the rear door belt inside weatherstrip (A).3.Remove the rear door belt outside weatherstrip (A).4.Loosen the mounting screw, remove the rear door frame garnish (A).5.Loosen the mounting bolt and nuts, r..