TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 6. Auxiliary Pump Troubleshooting Procedures (Non-Error Code).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Auxiliary Pump Not Working.
1. Check circuit breaker F17 for a. Reset circuit breaker as
trip.
required.
b. If breaker does not reset, use
the wiring diagram to check
circuit for short to ground (
00-47). Replace any shorted or
grounded harnesses (WP 0113
00).
c. Replace damaged or faulty
circuit breaker (WP 0074 00
00).
2. Inspect auxiliary pump for Replace damaged auxiliary pump
damage.
(WP 0165 00).
3. Inspect and check operation of Replace damaged or inoperable
auxiliary pump switch.
switch (WP 0073 00).
4. Check for proper operation. Should have a "1" for INPUT
Enter "EXTRA FUNC" 3(13) then a "1" for OUTPUT.
in the diagnostic menu. Press a. If no "1" for INPUT, continue
the auxiliary pump switch.
with step 5.
b. If no "1" for OUTPUT, replace
ECU 792 (WP 0080 00).
c. If "1" for OUTPUT, continue
with step 7.
5. Check voltage (24V) at X67 a. If no voltage (24V) is found at
pin 1 and 2 while pressing the
X67 pin 1, check circuit
auxiliary pump switch.
breaker F17 and continuity of
wires A678 and A671 (WP
0048 00-46).
b. If no voltage (24V) is found at
X67 pin 2, remove auxiliary
pump switch and check for
damage and continuity, and
check continuity of wires 671
and 672 (WP 0048 00-47).
c. Replace damaged or faulty
switch (WP 0073 00).
d. Repair or replace damaged
wires or connectors (WP 0113
00).
0007 00-71
