TM 9--2350--292--20--1
0021 00--2
AUXILIARY POWER UNIT FUEL SOLENOID FAILS TO ENERGIZE --
CONTINUED
0021 00
Is voltage present? 24 V dc initially, then voltage drops
to zero.
no
yes
C
Go to Step E.
CONTINUED FROM STEP B
1. Place multimeter red lead on harness
3W730 P2 lead 665 contact and black lead
to ground.
2. Turn MASTER switch ON
(TM 9--2350--292--10).
3. Turn FUEL SHUTOFF switch ON
(TM 9--2350--292--10).
4. Check for voltage.
5. Turn FUEL SHUTOFF and MASTER
switches OFF.
D 1. Disconnect harness 3W730 from relay box
J1 connector.
2. Place multimeter red lead to harness 3W730
P2 lead 665 and black lead to 3W730 P1
socket 10.
3. Check for continuity.
Is continuity present?
yes
no
Repair (WP 0290 00) or
replace (WP 0654 00)
harness 3W730. Verify
fault is corrected.
CONTINUED ON NEXT PAGE
Replace relay box
(WP 0662 00). Verify
fault is corrected.
