TM 5-3805-298-23-1
0096
Table 1. 590 Communication Diagnostic Codes - Continued.
096
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using digital multimeter
590-12 Engine ECM Fails to
Resistance 2.0 Ohms or Less -
(WP 0174), measure resistance
Replace lower cab wiring harness
Communicate with the
between connector EN-C8
(WP 0291).
Transmission ECM -
(WP 0012, Figure 22) terminal 6
Continued
Proceed to Test Step 6.
and terminal 7.
Resistance Greater Than 2.0 Ohms -
Replace engine wiring harness
(WP 0299).
Proceed to Test Step 6.
Test Step 3. Test Engine Wiring
Harness for Short.
1. Remove jumper wire from terminal
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 4. 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.
0096-10
