TM 5-3805-298-23-1
0055
Table 1. 247 SAE J1939 Data Link Diagnostic Codes - Continued.
055
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
5. Disconnect connector C-C13
247-9 SAE J1939 Data Link
(WP 0012, Figure 25) from
Abnormal Update Rate -
transmission ECM connector J2.
Continued
6. Using digital multimeter
Resistance 2.0 Ohms or Less -
(WP 0174), measure resistance
Proceed to step 7.
between connector C-C13
Resistance Greater Than 2.0 Ohms -
(WP 0012, Figure 25) terminal 67
Replace lower cab wiring harness
and terminal 68.
(WP 0291).
Proceed to Test Step 8.
7. Remove instrument cluster for
access to wiring harness
connectors (WP 0252).
8. Disconnect connector C-C56
(WP 0012, Figure 46) from
instrument cluster (WP 0252).
9. Using digital multimeter
Resistance 2.0 Ohms or Less -
(WP 0174), measure resistance
Replace transmission ECM (WP 0266).
between connector C-C56
Proceed to Test Step 8.
(WP 0012, Figure 46) terminal 19
Resistance Greater Than 2.0 Ohms -
and terminal 20.
Replace lower cab wiring harness
(WP 0291).
Proceed to Test Step 8.
Test Step 5. Test Terminating
Resistors CAN Data Link 1 and CAN
Data Link 2.
1. Disconnect connector EN-C5
(WP 0012, Figure 20) from CAN
data link 2 resistor (WP 0012,
Figure 21).
2. Using digital multimeter
Resistance 110 to 130 Ohms -
(WP 0174), measure resistance
Replace CAN data link 1 resistor
between connector CAN data link
(WP 0012, Figure 28).
2 resistor (WP 0012, Figure 21)
Proceed to Test Step 8.
terminal A and terminal B.
Resistance Greater Than 130 Ohms -
Replace CAN data link 2 resistor
(WP 0012, Figure 21).
Proceed to Test Step 8.
0055-4
