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
0621-04 Downshift Switch
6. Monitor and record continuity with
Resistance 10 Ohms or Less - Pro-
Voltage Below Normal - Con-
downshift switch released (TM 5-
ceed to step 7.
tinued
3805-293-10).
Resistance More Than 10 Ohms -
Resistance should be less than 10
Replace left hand joystick (WP 0282).
ohms.
Connect rear chassis wiring harness
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 8.
7. Monitor and record continuity with
Continuity - Replace left hand joy-
downshift switch depressed (TM
stick (WP 0282).
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 8.
No Continuity - Replace transmis-
sion ECM (WP 0137).
Connect rear chassis wiring harness
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 P-C52
(WP 0009, Figure 154) to left hand
joystick J2 (WP 0282).
Proceed to step 8.
8. Connect MSD (WP 0006). Select
0621-04 Code Active - Repeat trou-
Trans/Chassis 120M and verify
bleshooting from the beginning of this
0621-04 is active.
diagnostic code.
0621-04 Code Not Active - Trouble-
shooting complete.
0017-74
