CLAAS 7893h: Stop Light Signal Issue on Right Side

The external function module EXT is not receiving valid information from the right stop light or is not receiving any information from the stop lights for more than 5 seconds via the Bus CAN. The right stop light information is not available on the 7 pin ISO connector.

1. 1

   The connection of the right stop light to the 7 pin ISO connector

2. 2

   The wiring between the right stop light and the external function module EXT

3. 3

   The functionality of the right stop light itself

1. 1

   Inspect

   Check the connection of the right stop light to the 7 pin ISO connector for any loose, damaged, or corroded pins.

2. 2

   Test

   Verify the wiring between the right stop light and the external function module EXT for continuity and proper insulation.

3. 3

   Test

   Check the functionality of the right stop light by activating the brake and observing if it illuminates correctly.