169000741 - Z91 MAGNETIC WHEEL ERROR

The diagnostic equipment signals one or more of the following errors: "C1042 - Right front magnetic wheel", C1037 - Left front magnetic wheel, C1052 - Right rear magnetic wheel, C1047 - Left rear magnetic wheel
This error is signalled if there is a lack of impulses for the speed signal for one of the wheels
1FLYWHEEL TRACK CHECKAll OKProblems encounteredOperation
Check the condition of the flywheel, removing the wheel if necessary.Check that there are no metal shavings on the flywheel magnetic tracks.Check that all the small magnets are correctly positioned.Move on to Step 2

  • Metal shavings present
  • Front phonic wheel damaged
  • Small magnets missing or damaged
  • Rear [honic wheel damaged
  • Small magnets missing or damaged

2CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Delete the errors using the diagnostic equipment.Carry out a road test    See Test 3340OA A.B.S. SYSTEM ACTUATION CHECKto ensure that the control unit checks whether the errors are present.To evaluate the correctness of the speed signal, follow the "Detecting flywheel signal" procedure.Return to the workshop and check that the fault is no longer present using the Examiner.End of diagnosisThe fault persistsMove on to Step 1