TM 9--2350--292--20--1
0015 00--4
APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN
APU OIL PRESSURE IS LOW -- CONTINUED
0015 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 connector P1 at
bulkhead disconnect.
3. Place one multimeter lead on harness 3W702
connector P1 socket C. Place the other
multimeter lead on harness 3W702 connector
J2 APU engine disconnect receptacle pin B.
Check for continuity.
E
Is continuity present?
no
yes
1. Reconnect harness 3W704 connector P1 at
APU engine disconnect.
2. Disconnect harness 4W700 connector P1 at
APU control box.
3. Place one multimeter lead on bulkhead harness
4W700 connector P2 receptacle pin C and the
other multimeter lead on harness 4W700
connector 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.
