TM 5-3805-298-23-1
0104
Table 1. 740 Differential Lock Solenoid Diagnostic Codes - Continued.
0104
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
3. Disconnect connector C-C13
740-6 Differential Lock
(WP 0012, Figure 25) from
Solenoid Current Above
Transmission ECM J2.
Normal - Continued
4. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C13
Proceed to Test Step 5.
(WP 0012, Figure 25) terminal 5
No Continuity - Proceed to step 5.
and terminal 8.
5. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C13
Proceed to Test Step 5.
(WP 0012, Figure 25) terminal 5
No Continuity - Replace transmission
and ground.
ECM (WP 0266).
Proceed to Test Step 5.
Test Step 5. Verify Malfunction Is
Resolved.
1. Ensure all wiring harness
connectors are connected.
2. Install transmission ECM cover
(WP 0266).
3. Install right and left lower cab
access panels (WP 0347).
4. Using MSD, check for active
Diagnostic Code 740-6 Differential
diagnostic codes (WP 0008).
Lock Solenoid Current Above
Normal Becomes Inactive -
Troubleshooting complete.
Diagnostic Code 740-6 Differential
Lock Solenoid Current Above
Normal Remains Active - Repeat
troubleshooting from the beginning.
END OF WORK PACKAGE
0104-8