TM  9-2350-287-20-1 2-22. SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINES  (STE/lCE)  (continued). b.  STE/lCE  TROUBLESHOOTING  -  (continued). (7) FUEL PRESSURE RETURN - TEST 49. Tools/Test Equipment: Equipment Conditions: • General mechanic’s tool kit (Item 24, Appendix 1) • Air intake grille opened (refer to TM 9-2350-287-10). • STE/lCE test set (Item 65, Appendix I) •  Transmission  and  doors  opened (refer to TM 9-2350-287-10). WARNING Contact with rotating fan can cause serious personal   injury. Protective  fan  screens must be installed prior to doing maintenance in the engine compartment with the engine is running or in ground hop mode. A. 1. Install protective fan screens. 2. Connect DCA cable W1 connector P1 to VTM connector J1. 3. Connect DCA cable W1 to harness 12329996 connector (DCA receptacle) in driver's compart- ment. 4. Install red striped transducerTK22 and adapter TK24 at the engine fuel return line quick discon- nect. 5. Connect DCA cable W4 connector P1 to VTM connector J3. 6.  Connect  DCA  cable  W4  connector  P2  to transducer TK22. 7. Push power switch on VTM to ON position. 8. Do confidence test 66/99 (para 2-22.a(1)). 9. Dial 60 into TEST SELECT. 10. Press and release TEST button. Message “VEH” should be displayed on the VTM. 11. Enter the vehicle ID number 11. 12. Enter 01 into TEST SELECT. Press TEST when “CON” shows on VTM to see RPM and test limits alternately. 13.  Enter  49  into  TEST  SELECT,  then  press TEST until “CAL” appears. 14. Press and release TEST. 15.  Start  engine  (refer  to  TM  9-2350-287-10) and record the test results (in psi). is reading less than 2 psi? Notify  Direct  Support  Maintenance. Fault   does   not   exist   as   indicated. Recheck fault symptom. END OF TASK 2-416