Test 14/Fault Code 28

Test point 14
Speed sensor rear left Open circuit / short to ground / short to positive Fault code 28

General procedure as for test point 11/fault code 25.

- Speed sensor signal: Check with System Tester 9288 on Actual values menu (Select sub-menu: Speed / Speed sensor rear left).

- Internal resistance / continuity between PIN 13 and PIN 12 (ABS / ABD) or between PIN 40 and PIN 12 (solo ABS) on control unit connector.