TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
622-2 Upshift Switch Data
15. Using a digital multimeter (WP
1. If continuity is found, proceed to
Erratic, Intermitten, or
0296), test for continuity between
step 16.
Incorrect - Continued
pin 6 on steering harness down-
2. If continuity is NOT found, replace
shift / upshift switch connector X-
steering control harness (WP
C4 (WP 0018, Figure 58) and pin
0178). Ensure all harness connec-
28 on powertrain ECM connector
tors are reconnected. Verify cor-
X-C3 (WP 0018, Figure 3).
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 28 on powertrain ECM connec- 2.
If continuity is found, replace
tor X-C3 (WP 0018, Figure 3) and
steering control harness (WP
all other pins in powertrain ECM
0178). Ensure all harness connec-
connector X-C3 (WP 0018, Figure
tors are reconnected. Verify cor-
3).
rect operation of machine (TM 5-
2410-241-10).
17. Using a digital multimeter (WP
3.
If continuity is NOT found, replace
0296), test for continuity between
powertrain ECM (WP 0175).
pin 29 on powertrain ECM connec-
Ensure all harness connectors are
tor X-C3 (WP 0018, Figure 3) and
reconnected. Verify correct opera-
all other pins in powertrain ECM
tion of machine (TM 5-2410-241-
connector X-C3 (WP 0018, Figure
10).
3).
4.
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).
650-2 Harness Code Data
1. Connect MSD (WP 0016), select
1. If active 650-2 code is present,
Erratic, Intermittent, or
Powertrain D7 ECM, and check for
proceed to step 2.
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. Check for proper software in pow-
1. If software in powertrain ECM is
ertrain ECM. Refer to ECM pro-
wrong, install proper software (WP
gramming (WP 0017).
0017). Verify correct operation of
machine (TM 5-2410-241-10).
2. If software in powertrain ECM is
OK, proceed to step 3.
3. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
4. Remove left platform access panel
(WP 0207).