TM 9--2350--292--20--1
0166 00--7
SYSTEM WARNING LIGHT DOES NOT LIGHT WHEN MASTER SWITCH IS
ON OR WHEN MAIN ENGINE OIL PRESSURE IS BELOW OPERATING LEVEL
-- CONTINUED
0166 00
CONTINUED FROM STEP K
L
Is continuity present?
1. Reconnect harness 4W103 P1 to gauge
panel.
2. Disconnect harness 3W202 connector from
engine low oil pressure switch.
3. Place one multimeter lead on harness 3W202
J3 pin H and other lead on engine low oil
pressure switch connector socket A. Check
for continuity.
M
Is continuity present?
no
yes
Repair (WP 0290 00) or
replace (WP 0295 00)
harness 3W143. Verify
fault is corrected.
Replace engine low
oil pressure switch
(WP 0284 00). Verify
fault is corrected.
no
yes
Repair (WP 0290 00) or
replace (WP 0300 00)
harness 3W202. Verify
fault is corrected.
N
Is continuity present?
no
yes
Repair (WP 0290 00) or
replace (WP 0300 00)
harness 3W202. Verify
fault is corrected.
Place one multimeter lead in harness 3W143 P1
socket U and other lead to ground. Check for
continuity.
Place one multimeter lead on harness 3W202
J3 pin U and other lead on engine low oil pressure
switch socket B. Check for continuity.
END OF TASK
0166 00--7/8 blank