TM 10-3930-675-24-1
AUXILIARY PUMP TROUBLESHOOTING - CONTINUED
0037 00
Table 1. Error Code 169 - Tophandler Emergency Function Supply
Valve, Open or Short Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 169 - Tophandler Emergency
b. If no voltage (21 to 24V) is
Function Supply Valve, Open or Short Circuit
found, disconnect ECU (790)
Failure - Continued.
connector 2 and check pin 14
for damage and check
continuity of wire A15812
(WP 0048 00-8).
c. Repair or replace damaged
wires or connectors (WP 0113
00).
d. Replace damaged ECU (790)
(WP 0080 00).
3. Remove the engine hood (TM a. If resistance (40 to 43 Ohms)
10-3930-675-10). Locate the
is not as specified or solenoid
tophandler
supply
valve
is shorted to ground, replace
solenoid 6041, located on
tophandler supply valve
frame rail above engine starter.
(6041) (WP 0263 00).
Check resistance of 6041 b. If specified resistance is
solenoid. Should be 40 to 43
found, check continuity of
Ohms. Check resistance of
wires 15811 and 15812 (WP
each pin to ground.
0048 00-8).
c. Notify
Sustainment
Maintenance
to
replace
damaged or open harness.
d. Replace ECU (790) (WP 0080
00).
0037 00-2
