Measurement Of Closed-Circuit Current
WARNING: This page is about a different car, the 2021 Porsche Macan, 2020 Porsche Macan, and 2019 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
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
- Unlike the value from the PIWIS Tester, the battery voltage can be measured using a hand-held multimeter.
- Proceed as follows:
- Switch off ignition and keep transmitter key outside of the transmission range (at least 2 m).
- 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:
- 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.