Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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AGM Battery, Checking






AGM Battery, Checking


Risk of injury. Observe warning notes and safety precautions => [ Battery Safety Precautions ] Battery Safety Precautions and => [ Battery Safety Designation ] Battery Safety Designation!


In order to prevent damage to the battery or vehicle, observe battery type descriptions and notes. Refer to => [ AGM Battery ] AGM Battery.

Perform Battery Checks In The Following Sequence:

- Visual inspection. Refer to => [ Battery, Inspecting ] Battery, Inspecting

- Battery testing, refer to VAS 6161 => [ Battery, Testing ] Battery Tester VAS 6161 or Midtronics => [ Battery, Testing ] Midtronics Battery Tester.

- Depending on the result of the battery test, perform a current draw test. Refer to => [ Current Draw Test ] Current Draw Test