TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
722-5 Service Brake Sole-
13. Using a digital multimeter (WP
1. If continuity is found, proceed to
noid Voltage Below Nor-
0296), test for continuity between
step 14.
mal - Continued
pin 4 on powertrain ECM connec-
2. If continuity is NOT found, replace
tor X-C3 (WP 0018, Figure 3) and
steering control harness (WP
pin 7 on steering control harness
0178). Ensure all harness connec-
connector X-C1 (WP 0018, Figure
tors are reconnected. Verify cor-
34).
rect operation of machine (TM 5-
2410-241-10).
14. Using a digital multimeter (WP
1. If continuity is found, replace pow-
0296), test for continuity between
ertrain ECM (WP 0175). Ensure all
pin 5 on powertrain ECM connec-
harness connectors are recon-
tor X-C3 (WP 0018, Figure 3) and
nected. Verify correct operation of
pin 17 on steering control harness
machine (TM 5-2410-241-10).
connector X-C1 (WP 0018,
2. If continuity is NOT found, replace
Figure 34).
steering control harness (WP
0178). Ensure all harness connec-
tors are reconnected. Verify cor-
rect operation of machine (TM 5-
2410-241-10).
722-6 Service Brake Sole-
1. Connect MSD (WP 0016), select
1. If active 722-6 code is present,
noid Current Above Nor-
Powertrain D7 ECM, and check for
proceed to step 2.
mal
Diagnostic Codes (WP 0013).
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 rear floor plate (WP
0231).
4. Disconnect service brake dump
solenoid connector MA-C6 (WP
0018, Figure 69) from service
brake dump solenoid (WP 0018,
Figure 70).
5. Check for Diagnostic Codes (WP
1. If active 722-5 code is present,
replace service brake dump sole-
noid (WP 0147). Ensure all har-
ness connectors are reconnected.
Verify correct operation of
machine (TM 5-2410-241-10).
2. If active 722-6 code is present,
proceed to step 6.
6. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
7. Remove left platform access panel
(WP 0207).