TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
Table 2. Machine Control System - Continued.
TEST OR INSPECTION
CID FMI CODE
2. Check harness for an open circuit.
0291 05 -
(a) Turn engine start switch and battery
to Test 3.
disconnect switch to OFF position (TM 2. If resistance is greater than 5,000
Ohms, there is an open circuit in wiring
(b) Disconnect wiring harness
harness in wire E998 YL or in wire
connector(s) from machine ECM (WP
T799 BR. Replace wiring harness in
question (WP 0169 00 thru WP 0175
(c) Jumper wire installed in Test 1 remains
(d) At wiring harness connector, measure
(wire E998 YL) to contact J1-54 (wire
3. Verify diagnostic code remains active.
1. If CID 0291 FMI 05 is active, replace
(a) Inspect and clean harness connectors.
machine ECM (WP 0052 00).
(b) Reconnect all harness connector
2. If CID 0291 FMI 05 is not active, initial
diagnostic code was probably caused
(c) Turn battery disconnect switch and
by a poor electrical connection at a
engine start switch to ON position (TM
harness connector that was
disconnected and reconnected.
(d) Operate machine (TM 5-3805-290-
Resume normal machine operation.
(e) Check status of CID 0291 FMI 05.