TM 5-3805-296-23-1
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Table 1. 0590 Communication Diagnostic Codes Continued.
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CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 15. Test Main Cab Wiring
0590-09 Engine Control
Harness for High Resistance or
Module Abnormal Update
Open.
Rate Continued
1. Remove jumper wire from
terminal 1 and terminal 2 of
connector CL-C3
(WP 0012, Figure 86).
2. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
3. Connect jumper wire between
terminal 7 and terminal 8 of
connector W-C12
(WP 0012, Figure 88).
4. Disconnect MSD from connector
CG-C3 (WP 0012, Figure 96).
5. Remove six bolts
(Figure 15, Item 1), washers
(Figure 15, Item 2), and instrument
panel cover (Figure 15, Item 3)
from ROPS (Figure 15, Item 4).
Figure 15. Instrument Panel Cover and Retaining Hardware.
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