TM 9--2350--292--20--1
AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED
AND SUMP FAN IS NOT RUNNING -- CONTINUED
0028 00
CONTINUED FROM STEP B
D
Is continuity present?
no
yes
1. Place multimeter red lead to harness 3W730
J1 socket A and black lead to harness
3W730 P1 socket 11.
2. Check for continuity.
Repair (WP 0290 00) or
replace (WP 0654 00)
harness 3W730. Verify
fault is corrected.
E
Is continuity present?
no
yes
Repair (WP 0290 00) or
replace (WP 0654 00)
harness 3W730. Verify
fault is corrected.
1. Disconnect jumper wire from harness
3W730 lead 233A and ground wire.
2. Place multimeter red lead to harness 3W730
P1 socket 12 and black lead to harness
3W730 lead 233A.
3. Check for continuity.
F
Is continuity present?
no
yes
Repair (WP 0290 00) or
replace (WP 0654 00)
harness 3W730. Verify
fault is corrected.
1. Place multimeter leads across harness
3W730 GND lead and common ground
point E3.
2. Check for continuity.
Replace relay box
(WP 0662 00). Verify
fault is corrected.
END OF TASK
0028 00--3/4 blank
