TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
70-3 Parking Brake Switch
17. Using a digital multimeter (WP
1.
If continuity is NOT found, replace
Voltage Above Normal
0296), test for continuity between
powertrain ECM (WP 0175).
pin 40 on powertrain ECM connec-
Ensure all harness connectors are
tor X-C2 (WP 0018, Figure 4) and
reconnected. Verify correct opera-
all other pins in powertrain ECM
tion of machine (TM 5-2410-241-
connector X-C2 (WP 0018,
10).
Figure 4).
2.
If continuity is found, replace
steering control harness (WP
0178). Ensure all harness connec-
tors are reconnected. Verify cor-
rect operation of machine (TM 5-
2410-241-10).
1. Connect MSD (WP 0016), select
1. If active 70-3 code is present, pro-
Powertrain D7 ECM, and check for
ceed to step 2.
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. Using a digital multimeter (WP
1. If continuity is found, proceed to
0296), test for continuity between
step 6.
pin 11 on parking brake switch
2. If continuity is NOT found, replace
connector X-C6 (WP 0018, Figure
steering control harness (WP
44) and machine ground.
0178). Ensure all harness connec-
tors are reconnected. Verify cor-
rect operation of machine (TM 5-
2410-241-10).
6. Push parking brake switch down-
ward to the OFF position (TM 5-
2410-241-10).
7. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
0296), test for continuity between
to step 8.
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).
