Preparations for Testing

- Battery voltage, 11 - 14 V.
- Roll bar warning lamp (A1e29) comes on in the instrument cluster.

Connection Diagram:

N53 Roll bar control module
01 Vehicle wiring harness (roll bar control module)
002 Test cable 129 589 02 63 00 - 16 pole
003 Multimeter
004 Socket box 124 589 00 21 00

Special Tools: