ARMY TM 9-6115-671-14 AIR FORCE TO 35C2-3-446-32 MARINE CORPS TM 09249A/09246A-14 3-15 TABLE 3-1.  OPERATOR TROUBLESHOOTING (CONTINUED) OK OK Yes No Not OK CIM DISPLAY SCREEN VOLTAGE GAGE FLUCTUATES CIM display screen VOLTAGE gage fluctuates. Is engine running erratically? Check FAULT INDICATOR on CIM display screen. Is a fault displayed? (fig. 2-2) Notify next higher level of maintenance. Inspect air cleaner assembly (see para.3.3.3). Got to troubleshooting section corresponding to fault displayed. See Symptom Index, page 3-1. Service air cleaner assembly (see para.3.3.3). Inspect/service fuel filter/water separator (see para.3.3.7). Notify next higher level of maintenance. Notify next higher level of maintenance. Not OK No Yes