TM 9--2350--292--20--1
0024 00--5
APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN
APU OIL PRESSURE IS LOW -- CONTINUED
0024 00
F
Is continuity present?
CONTINUED FROM STEP E
1. Reconnect harness 4W700 P2 at bulkhead
disconnect.
2. Remove APU control box from the vehicle
(WP 0247 00).
3. Remove APU control box rear panel
(WP 0247 00).
4. Disconnect harness 4W725 lead 420A from
LOW OIL PRESS indicator L2.
5. Place multimeter red lead onto 4W725 pin K
and black lead on harness 4W725 lead 420A.
6. Check for continuity.
CONTINUED ON NEXT PAGE
no
yes
Repair (WP 0290 00) or
replace (WP 0247 00)
harness 4W725. Verify
fault is corrected.