TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
681-3 Parking Brake Sole-
21. Using a digital multimeter (WP
1. If resistance of 39 to 44 ohms is
noid Voltage Above Nor-
0296), measure resistance
found, replace powertrain ECM
mal - Continued
between pin 1 and pin 2 on park
(WP 0175). Ensure all harness
brake dump solenoid (WP 0018,
connectors are reconnected. Ver-
Figure 66).
ify correct operation of machine
(TM 5-2410-241-10).
2. If resistance of 39 to 44 ohms is
NOT found, replace park brake
dump solenoid (WP 0147). Ensure
all harness connectors are recon-
nected. Verify correct operation of
machine (TM 5-2410-241-10).
681-5 Parking Brake Sole-
1. Connect MSD (WP 0016), select
1. If active 681-5 code is present,
noid Voltage Below
Powertrain D7 ECM, and check for
proceed to step 4.
Normal
Diagnostic Codes or Event Codes
2. If active 681-5 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 681-5 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
harness 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).
