TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
681-6 Parking Brake Sole-
18. Remove rear floor plate (WP
noid Current Above Nor-
0231).
mal - Continued
19. Disconnect platform harness park
brake dump solenoid connector
MA-C4 (WP 0018, Figure 65) from
park brake dump solenoid (WP
0018, Figure 66).
20. Using a digital multimeter (WP
1. If continuity is found, proceed to
0296), test for continuity between
step 21.
pin 1 on platform harness park
2. If continuity is NOT found, replace
brake dump solenoid connector
platform harness (WP 0209).
MA-C4 (WP 0018, Figure 65) and
Ensure all harness connectors are
pin 33 on platform harness con-
reconnected. Verify correct opera-
nector MA-C14 (WP 0018,
tion of machine (TM 5-2410-241-
Figure 33).
10).
21. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
0296), test for continuity between
to step 22.
pin 33 on platform harness con-
2. If continuity is found, replace plat-
nector MA-C14 (WP 0018, Figure
form harness (WP 0209).Ensure
33) and all pins in platform har-
all harness connectors are recon-
ness connector MA-C14 (WP
nected. Verify correct operation of
0018, Figure 33).
machine (TM 5-2410-241-10).
22. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
0296), test for continuity between
to step 23.
pin 33 on platform harness con-
2. If continuity is found, replace plat-
nector MA-C14 (WP 0018,
form harness (WP 0209).Ensure
Figure 33) and machine ground.
all harness connectors are recon-
nected. Verify correct operation of
machine (TM 5-2410-241-10).
23. Using a digital multimeter (WP
1. If resistance of 39 to 44 ohms is
0296), measure resistance
found, replace powertrain ECM
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).
689-3 Left Brake Solenoid
1. Connect MSD (WP 0016), select
1. If active 689-3 code is present,
Voltage Above Normal
Powertrain D7 ECM, and check for
proceed 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.