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Home >> Porsche >> 2020 >> Macan GTS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (27 Starter, Power Supply, Cruise Control 2.0L -- 95B - MACAN (95B)) >> WM, 2706IN - General Information On The AGM Vehicle Battery >> Measurement Of Closed-Circuit Current

Measurement Of Closed-Circuit Current

WARNING: This page is about a different variant/trim than selected.

Information 

The open-circuit voltage measurement should be read out using the PIWIS Tester in the gateway  control unit by selecting Energy management, Quick closed-circuit current measurement  in the menu.

Information 

  1. Switch off ignition and keep transmitter key outside of the transmission range (at least 2 m).
  2. Disconnect ground strap on the battery.

    Information 

    • After charging and waiting for at least 2 hours, during which time the battery should neither be loaded nor charged: 
  3. Measure the battery voltage with a hand-held multimeter.

    The battery open-circuit voltage should not fall below 12.5V.

    If the hand-held multimeter shows a battery voltage of 12.5 V or higher, the battery voltage is OK.

    If the hand-held multimeter shows a battery voltage below 12.5 V: Charge the battery.