TM 5-3805-293-23-1
0017
Table 1. Transmission Code (0573-03 to 0967-09) Troubleshooting Procedures - Continued.
CDI FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
0621-03 Downshift Switch
8. Monitor and record continuity with
Continuity - Replace left hand joy-
Voltage Above Normal -
downshift switch depressed (TM
stick (WP 0282).
Continued
5-3805-293-10).
Connect rear chassis wiring harness
There should be no continuity.
connector FA-C22 (WP 0009, Figure
47) to cab lower wiring harness con-
nector P-C69 (WP 0009, Figure 46)
(WP 0188), and install rear bulkhead
cover plate (WP 0266).
Connect harness connector FA-C21
(WP 0009, Figure 124) to transmis-
sion ECM J2 (WP 0009, Figure 112).
Proceed to step 9.
No Continuity - Proceed to Test Step
4.
9. Connect MSD (WP 0006). Select
0621-03 Code Active - Repeat trou-
Trans/Chassis 120M and verify
bleshooting from the beginning of this
0621-03 is active.
diagnostic code.
0621-03 Code Not Active - Trouble-
shooting complete.
Test Step 4. Test Joystick Return
Circuit.
1. Disconnect harness connector P-
C41 (WP 0009, Figure 68) from
implement 1 ECM J1 (WP 0009,
Figure 69) (WP 0268).
2. Disconnect harness connector P-
C51 (WP 0009, Figure 118) from
left joystick J1 (WP 0009, Figure
119) (WP 0282).
3. Using digital multimeter, test for
Resistance 5.0 Ohms or Less - Pro-
continuity between harness con-
ceed to step 4.
nector P-C41 (WP 0009, Figure
Resistance More Than 5.0 Ohms -
68) terminal 21 and harness con-
Replace cab lower wiring harness
nector P-C48 (WP 0009, Figure
(WP 0266).
116) terminal 3.
Connect harness connector FA-C21
Resistance should be less than
(WP 0009, Figure 124) to transmis-
5.0 ohms.
sion ECM J2 (WP 0009, Figure 112).
Proceed to step 7.
0017-68
