TM 5-3805-298-23-1
0096
Table 1. 590 Communication Diagnostic Codes - Continued.
096
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test Engine Wiring
590-2 Transmission
Harness for Short.
Communication Data Is
Erratic, Intermittent, or
1. Remove jumper wire from terminal
Incorrect - Continued
23 and terminal 24 of connector
EN-C1 (WP 0012, Figure 11).
2. Using digital multimeter
Continuity - Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C1
Proceed to Test Step 6.
(WP 0012, Figure 11) terminal 23
No Continuity - Proceed to step 3.
and terminal 24.
3. Using digital multimeter
Continuity - Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C1
Proceed to Test Step 6.
(WP 0012, Figure 11) terminal 23
No Continuity - Proceed to step 4.
and ground.
4. Using digital multimeter
Continuity - Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299).
between connector EN-C1
Proceed to Test Step 6.
(WP 0012, Figure 11) terminal 23
No Continuity - Proceed to Test Step 5.
and all other EN-C1 terminals.
Test Step 5. Test Lower Cab Wiring
Harness for Short.
1. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C12
Proceed to Test Step 6.
(WP 0012, Figure 26) terminal 10
No Continuity - Proceed to step 2.
and terminal 20.
2. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C12
Proceed to Test Step 6.
(WP 0012, Figure 26) terminal 10
No Continuity - Proceed to step 3.
and ground.
3. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C12
Proceed to Test Step 6.
(WP 0012, Figure 26) terminal 10
No Continuity - Replace engine ECM
and all other C-C12 terminals.
(WP 0265).
Proceed to Test Step 6.
Test Step 6. Verify Malfunction Is
Resolved.
1. Ensure all wiring harness
connectors are connected.
2. Install right engine access panel
(WP 0348).
3. Install transmission ECM cover
(WP 0266).
0096-4
