TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
681-6 Parking Brake Sole-
1. Connect MSD (WP 0016), select
1. If active 681-6 code is present,
noid Current Above Nor-
Powertrain D7 ECM, and check for
proceed to step 4.
mal
Diagnostic Codes or Event Codes
2. If active 681-6 code is NOT pres-
ent, proceed to step 2.
2. Ensure parking brake switch is in
the OFF position (TM 5-2410-241-
10).
3. Check for Diagnostic Codes or
1. If active 681-6 code is present,
Event Codes (WP 0013).
proceed to step 4.
2. If no active codes are present, the
problem does NOT exist at this
time. Resume normal operation.
4. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
5. Remove left platform access panel
(WP 0207).
6. Disconnect parking brake switch
connector X-C6 (WP 0018, Figure
44) from parking brake switch (WP
0018, Figure 45).
7. Ensure parking brake switch is in
the OFF position (TM 5-2410-241-
10).
8. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
0296), test for continuity between
to step 9.
pin 7 and 9 on parking brake
2. If continuity is found, replace park-
switch (WP 0018, Figure 45).
ing brake switch (WP 0237).
Ensure all harness connectors are
reconnected. Verify correct opera-
tion of machine (TM 5-2410-241-
10).
9. Disconnect powertrain ECM con-
nector X-C2 (WP 0018, Figure 4)
from the powertrain ECM.
10. Disconnect powertrain ECM con-
nector X-C3 (WP 0018, Figure 3)
from the powertrain ECM.
11. Disconnect platform harness con-
nector MA-C14 (WP 0018, Figure
33) from steering control harness
connector X-C1 (WP 0018, Figure
34.
