Hyundai Santa Fe (TM): Charging System / Battery. Description and operation

Description
AGM Battery
AGM battery is used for especially heavy load on the vehicle network depending on equipment and requirements. AGM stands for Absorbent Glass Material Battery; that is absorbent glass fibre fleece. AGM batteries are fitted in models with electrical loads/consumers which have a high energy demand.The constantly increasing energy demand of modern vehicle electrical systems calls for ever more powerful battery solutions.The power consumption is considerable even when the vehicle is parked.The somewhat higher price compared with a battery of similar size is fully balanced by the following benefits :
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Significantly longer service life
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Increased starting reliability at low temperatures
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100 % freedom from maintenance
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Low risk in event of an accident (reduced risk to the environment)
[AGM70L]

  
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After disconnecting then reconnecting the battery negative cable, reset some parts that require the reset procedures.
(Refer to Body Electrical System - "General Information")
CMF Battery
The CMF (Closed Maintenance Free) battery is, as the name implies, totally maintenance free and has no removable battery cell caps.
The CMF (Closed Maintenance Free) battery does not require water replenishment for the repair.
The battery is completely sealed, except for small vent holes in the cover.
[CMF68L]

    Removal    • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.

    Troubleshooting

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Repair procedures

    Refrigerant System Service Basics (R-134a) Refrigerant Recovery Use only service equipment that is U.L-listed and is certified to meet the requirements of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: A/C Pressure Transducer. Description and operation

    Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

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