TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
70-2 Parking Brake Switch
1. If active 70-2 code is present, pro-
1. Connect MSD (WP 0016), select
Data Erratic, Intermit-
ceed to step 2.
Powertrain D7 ECM, and check for
tent, or Incorrect
Diagnostic Codes or Event Codes
2. If no active codes are present, the
problem does NOT exist at this
time. Resume normal operation.
2. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
3. Remove left platform access panel
(WP 0207).
4. Disconnect parking brake switch
connector X-C6 (WP 0018 Figure
44) from parking brake switch (WP
0018, Figure 45).
5. Push parking brake switch down-
ward to the OFF position (TM 5-
2410-241-10).
6. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
0296), test for continuity between
to step 7.
pin 3 and 11 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).
7. Pull parking brake switch upward
to the ON position (TM 5-2410-
241-10).
8. Using a digital multimeter (WP
1. If continuity is found, proceed to
0296), test for continuity between
step 9.
pin 3 and 11 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).
9. Pull parking brake switch upward
to the ON position (TM 5-2410-
241-10).
