Inspection Procedure 6: The tachometer does not work (the other meters work).


COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of combination meter
  • Malfunction of engine-ECU

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III CAN bus diagnostics



Q. Is the check result normal?





STEP 2. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 3. M.U.T.-III other system diagnosis code



Q. Is the diagnosis code set?





STEP 4. M.U.T.-III data list



  • Item 87: Tachometer (Refer to ).

Q. Is the check result normal?





STEP 5. M.U.T.-III actuator test



  • Item 2: Tachometer (Refer to ).
OK: The tachometer operates up to the set position.

Q. Is the check result normal?





STEP 6. Retest the system



Q. Is the check result normal?