TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
Table 2. Machine Control System - Continued.
TEST OR INSPECTION
CID FMI CODE
4. Check implement lockout switch operation. 1. If resistance from contact 5 (wire 202
0490 04 -
BK) to contact 6 (wire E917 WH) is
(a) Wiring harness remains disconnected
contact 5 (wire 202 BK) to contact 4
(b) Press and hold implement lockout
(wire E918 GN) is greater than 5,000
Ohms, go to Test 5.
2. If resistance measurements do not
contact 5 (wire 202 BK) of switch
differ for both contacts, or
measurements have not changed from
previous test, replace implement
contact 6 (wire E917 WH) of switch
lockout switch (WP 0049 00).
(e) Measure resistance between contact 5
(wire 202 BK) and contact 6 (wire
(f) Disconnect lead from contact 6 (wire
E917 WH) and connect lead to contact
4 (wire E918 GN).
(g) Measure resistance between contact 5
(wire 202 BK) and contact 4 (wire
1. If CID 490 FMI 04 is active, replace
5. Verify diagnostic code remains active.
machine ECM (WP 0052 00).
(a) Inspect and clean harness connector
2. If CID 490 FMI 04 is not active, initial
diagnostic code was probably caused
(b) Reconnect all harness connectors.
by a poor electrical connection or a
(c) Turn battery disconnect switch and
short at a harness connector that was
engine start switch to ON position (TM
disconnected and reconnected.
Resume normal machine operation.
(d) Operate machine (TM 5-3805-290-
(e) Determine if CID 490 FMI 04 is