Hyundai Santa Fe: Charging System / Battery Sensor. Description and operation
Vehicles have many control units that use more electricity. These units control
their own system based on information from various sensors. It is important
to provide a stable power supply as these sensors bring diverse information.
Battery sensor is mounted on battery (-) terminal. It transmits battery voltage,
current, temperature information to ECM. ECM controls generating voltage by
duty cycle based on these signals.

Removal
Battery
1.
Turn the ignition switch OFF and disconnect the battery (-) terminal
(A).
Tightening torque :
7...
Removal
1.
Turn the ignition switch OFF and disconnect the battery (-) terminal.
2.
Disconnect the battery sensor connector (A)...
Other information:
Description
Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor and
is installed on the surge tank. It senses absolute pressure of the surge tank
and transfers the analog signal proportional to the pressure to the ECM...
Auto defogging helps reduce the possibility of fogging up the inside of the windshield
by automatically sensing the moisture on inside the windshield.
The auto defogging system operates when the heater or air conditioning is on.
Information
The auto defogging system may not operate normally, when the outside temperature
is below 14°F (10°C)...
Categories
Engine oil pressure warning light
.png)
This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more details, refer
to “Engine Oil” section in chapter 9). If the level is low, add oil as required.
read more