TM 9--2350--292--20--1
0024 00--4
APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN
APU OIL PRESSURE IS LOW -- CONTINUED
0024 00
D
Is continuity present?
CONTINUED FROM STEP C
no
yes
CONTINUED ON NEXT PAGE
1. Open air intake grille over battery compartment
(TM 9--2350--292--10).
2. Disconnect harness 3W702 P1 at bulkhead
disconnect.
3. Place multimeter red lead on harness 3W702
P1 socket C and black lead on harness 3W702
J2 pin B. Check for continuity.
E
Is continuity present?
no
yes
1. Disconnect harness 4W700 P1 from APU
control box.
2. Reconnect harness 3W704 P1 to APU engine
disconnect.
3. Place multimeter red lead on bulkhead harness
4W700 P2 pin C and black lead on harness
4W700 P1 socket K. Check for continuity.
Repair (WP 0290 00) or
replace (WP 0332 00)
harness 4W700. Verify
fault is corrected.
Repair (WP 0290 00) or
replace (WP 0311 00)
harness 3W702. Verify
fault is corrected.
