TM 9--2350--292--20--1
0012 00--3
AUXIILIARY POWER UNIT FUEL SOLENOID FAILS TO ENERGIZE --
CONTINUED
0012 00
E
Is continuity present?
CONTINUED FROM STEP D
no
yes
Place multimeter lead on lead 421 connector sock-
et for switch S3 and place other multimeter lead on
control box receptacle pin F. Check for continuity.
F
Is continuity present?
no
yes
1. Reconnect lead 421 at switch S3.
2. Disconnect lead 4W123--6 at CB3.
3. Place one multimeter lead on lead 4W123--6
connector socket for switch S3 and the other
multimeter lead on lead 4W123--6 connector
socket for CB3. Check for continuity.
Replace lead 4W123--6
(WP 0247 00). Verify
fault is corrected.
Repair (WP 0290 00) or
replace (WP 0247 00)
wiring harness 4W725.
Verify fault is corrected.
G
Is continuity present?
1. Reconnect lead 4W123--6 at switch S3.
2. Disconnect lead 419 from the other side of
CB3.
3. Place multimeter leads on CB3 connector pins.
Check for continuity.
no
yes
Replace CB3 (WP
0247 00). Verify fault is
corrected.
Repair (WP 0298 00) or
replace (WP 0247 00)
wiring harness 4W725.
Verify fault is corrected.
CONTINUED ON NEXT PAGE
