TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
70-2 Parking Brake Switch
10. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
Data Erratic, Intermit-
0296), test for continuity between
to step 11.
tent, or Incorrect - Con-
pin 4 and 11 on parking brake
2. If continuity is found, replace park-
tinued
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).
11. Push parking brake switch down-
ward to the OFF position (TM 5-
2410-241-10).
12. Using a digital multimeter (WP
1. If continuity is found, proceed to
0296), test for continuity between
step 13.
pin 4 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).
13. Disconnect powertrain ECM con-
nector X-C2 (WP 0018, Figure 4)
from the powertrain ECM.
14. Using a digital multimeter (WP
1.
If continuity is found, proceed to
0296), test for continuity between
step 15.
pin 35 on powertrain ECM connec- 2.
If continuity is NOT found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
pin 3 on parking brake switch con-
0178). Ensure all harness connec-
nector X-C6 (WP 0018, Figure 44).
tors are reconnected. Verify cor-
rect operation of machine (TM 5-
2410-241-10).
15. Using a digital multimeter (WP
1.
If continuity is found, proceed to
0296), test for continuity between
step 16.
pin 40 on powertrain ECM connec- 2.
If continuity is NOT found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
pin 4 on parking brake switch con-
0178). Ensure all harness connec-
nector X-C6 (WP 0018, Figure 44).
tors are reconnected. Verify cor-
rect operation of machine (TM 5-
2410-241-10).
16. Using a digital multimeter (WP
1.
If continuity is NOT found, proceed
0296), test for continuity between
to step 17.
pin 35 on powertrain ECM connec- 2.
If continuity is found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
all other pins in powertrain ECM
0178). Ensure all harness connec-
connector X-C2 (WP 0018, Figure
tors are reconnected. Verify cor-
4).
rect operation of machine (TM 5-
2410-241-10).
0020-3
