TM 5-3805-290-23-1
TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
0009 00
Table 2. Machine Control System - Continued.
(MID 081)
TEST OR INSPECTION
CORRECTIVE ACTION
CID FMI CODE
3. Verify diagnostic code remains active.
1. If problem has not been corrected,
1251 00 -
(a) Clean harness connector contacts.
replace machine ECM (WP 0052 00).
Cont.
(b) Reconnect all harness connectors.
2. If diagnostic code is not present, initial
(c) Turn engine start switch to ON position
problem was probably caused by a poor
and operate machine (TM 5-3805-290-
electrical connection or a short at a
10).
harness connector that was
(d) Connect MSD (WP 0006 00) and
disconnected and reconnected.
determine if CID 1251 FMI 00
Resume normal machine operation.
diagnostic code is present.
1251 01
427-B1879
1. If resistance is greater than 5,000
1. Check R-terminal circuit for a short to
Ohms, go to Test 2.
ground.
2. If resistance is less than 5.0 Ohms,
(a) Turn engine start switch and battery
there is a short to wire with low
disconnect switch to OFF position (TM
resistance measurement. Replace wire
in circuit for R-terminal, or repair
(b) Disconnect J1 harness connector from
circuit.
machine ECM (WP 0052 00).
(c) Measure resistance from alternator R-
terminal wire (403 GN 18) to all
contacts used in J1 and J2 harness
connectors.
