TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
618-2 Left Service Brake
1. Connect MSD (WP 0016), select
1. If active 618-2 code is present,
Switch Data Erratic,
Powertrain D7 ECM, and check for
proceed to step 4.
Intermittent, or Incorrect
Diagnostic Codes or Event Codes
2. If active 618-2 code is NOT pres-
ent, proceed to step 2.
2. Ensure parking brake is Engaged
(TM 5-2410-241-10).
3. Check for Diagnostic Codes or
1. If active 618-2 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. Push parking brake switch down-
ward to 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. Pull parking brake switch upward
to the ON position (TM 5-2410-
241-10).
10. Using a digital multimeter (WP
1. If continuity is found, proceed to
0296), test for continuity between
step 11.
pin 7 and 9 on parking brake
2. If continuity is NOT found, replace
switch (WP 0018, Figure 45).
parking brake switch (WP 0237).
Ensure all harness connectors are
reconnected. Verify correct opera-
tion of machine (TM 5-2410-241-
10).
11. Disconnect powertrain ECM con-
nector X-C2 (WP 0018, Figure 4)
from the powertrain ECM.
