Battery, Checking, Vehicles With Battery Monitoring Control Module J367 Or Energy Management Control Module J644 And Data Bus On Board Diagnostic Interface J533
- In certain model series the following is responsible for monitoring the electrical system: Energy Management Control Module -J644- or Battery Monitoring Control Module -J367- in connection with the Data Bus On Board Diagnostic Interface -J533- ; allocation. Refer to the appropriate Wiring Diagram. The battery test for these vehicles is performed during "Guided Fault Finding ".
- If the battery test is not possible with "Guided Fault Finding " due to a partially or exhaustively discharged battery, the battery can be quickly evaluated with the help of the "battery test via current draw".
- Maintenance-free batteries must not be opened. Otherwise, the warranty is voided.
It is not possible to check the battery using "Guided Fault Finding " through MY 2010 during the following procedure, even if the vehicle has a Battery Monitoring Control Module -J367- :
- A3 from MY 2004 (8P)
- TT from MY 2007 (8J)
- R8 from My 2007 (42)
Battery test. Refer to CHECKING THE BATTERY - VEHICLES WITHOUT A Battery Monitoring Control Module -J367- OR Energy Management Control Module -J644- .
Risk of injury. Follow all warning messages and safety precautions. Refer to WARNINGS AND SAFETY PRECAUTIONS .
Perform Tests in the Following Sequence:
-- Visual inspection. Refer to VISUAL INSPECTION .
-- Check the visual indicator color display (if equipped). Refer to VISUAL INDICATOR COLOR DISPLAY, CHECKING .
Do not check or charge a Battery -A- when the visual indicator has >>no color or is bright yellow<<. Jump starting must not be used!
There is a risk of explosion during testing, charging or jump starting.
These Batteries -A- must be replaced.
-- Battery Test with Vehicle Diagnostic Tester refer to BATTERY TEST WITH Vehicle Diagnostic Tester .