TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 2. Electrical Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10.Tophandler Work Light(s) Do Not Operate
c. If switch is good, use the
When Switch is Turned On - Continued.
wiring diagram to check the
continuity of the wires A678,
678, and 679 (WP 0048 00-
46).
d. Repair or replace damaged
wires or connectors (WP 0113
00).
7. Check voltage (24V) at X46 a. If no voltage is found, check
pin 6, X174 pin 11, and ECU
continuity of wires A466, 466,
(792) pin 102 with the
and A17411 (WP 0048 00-46
tophandler work light switch
and WP 0048 00-18).
turned on.
b. Repair or replace damaged
wires or connectors (WP 0113
00).
8. Check relay. Remove relay Replace damaged or faulty relay
3017 and test (WP 0113 00). (WP 0074 00 00).
9. Check voltage. Remove relay a. If no voltage (24V) is found,
3017 and check voltage (24V)
check continuity of wires
at 3017 socket pin 30.
A513 and A1861B (WP 0048
00-28 and WP 0048 00-23).
b. Repair or replace damaged
wires or connectors (WP 0113
00).
10.Check voltage. Remove relay a. If no voltage (24V) is found,
3017 and check voltage (24V)
check continuity of wire
at 3017 socket pin 86.
A3018A (WP 0048 00-28).
b. Repair or replace damaged
wires or connectors (WP 0113
00).
11.Unplug
X194.
Check a. If there is no resistance on
resistance between pin A and
either pin check, replace X194
B, then C and D on the loose
harness to tophandler work
part of X194. (Ensure the
lights (WP 0113 00).
tophandler work light lamps
are not burned out).
0007 00-36
