TM 9-2350-277-20-1
STE/ICE TEST 25 FUEL RETURN PRESSURE DIAGNOSTIC
TROUBLESHOOTING—Continued
0144 00
5Y
1. Move jumper wire on harness 12354672 plug P1 (1) from pins 3
and 4 to pins 1 (2) and 2 (3).
2. Measure resistance between harness 12354593 plug P1 (4), pins g
(5) and h (6).
3. Does VTM read 0 ohms?
YES
NO
GO TO EY (PAGE 0144 00-9)
6Y
1. Has fuel return pressure tachometer been replaced?
YES
NO
6YN
1. Replace fuel return pressure
tachometer (WP 0325 00).
2. Verify no faults found.
7Y
1. Faulty VTM.
2. Notify supervisor.
0144 00-4
