TM 5-3805-293-23-2
0020
Table 1. Transmission Code (2113-03 TO 2304-06) Troubleshooting Procedures - Continued.
CDI FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2304-05 Differential Lock
Test Step 3. Test for Open Rear
Relay Current Below Nor-
Chassis Wiring Harness.
mal - Continued
1. Connect jumper wire between dif-
ferential lock relay socket (WP
0009, Figure 199) terminal C16
and terminal E15.
2. Disconnect rear chassis wiring
harness connector FA-C21 (WP
0009, Figure 124) from trans/
chassis ECM J2 (WP 0009, Fig-
ure 112).
3. Using digital multimeter, test for
Resistance Less Than 5.0 Ohms -
resistance between rear chassis
Proceed to Test Step 4.
wiring harness connector FA-C21
Resistance 5.0 Ohms or Greater -
(WP 0009, Figure 124) terminal 3
Replace transmission ECM (WP
and machine ground. Resistance
0137).
should be less than 5.0 Ohms.
Install the differential lock relay (WP
0009, Figure 200) in the differential
lock relay socket (WP 0009, Figure
199).
Proceed to step 4.
4. Using MSD (WP 0006). Select
2304-05 Code Active - Repeat trou-
Trans/Chassis 120M and verify
bleshooting from the beginning of this
2304-05 is active.
diagnostic code.
2304-05 Code Not Active - Trouble-
shooting complete.
Test Step 4. Test for Open Cab
Lower Wiring Harness.
1. Disconnect rear chassis wiring
harness connector FA-C22 (WP
0009, Figure 47) from cab lower
wiring harness connector P-C69
(WP 0009, Figure 46).
0020-148