TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
650-2 Harness Code Data
17. Using a digital multimeter (WP
1.
If continuity is NOT found, replace
Erratic, Intermittent, or
0296), test for continuity between
powertrain ECM (WP 0175).
Incorrect - Continued
pin 60 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,
10).
Figure 3).
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).
668-12 Shift Lever Bad
1. Connect MSD (WP 0016), select
1. If active 668-12 code is present,
Device or Component
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.
2. This diagnostic code is produced
1. 668-12 indicates operator error.
when Forward, Neutral, Reverse
No troubleshooting is required.
shift mechanism is NOT fully
This is an informational code only.
seated into the shift selection
detente position.
672-2 Torque Converter Out-
1. Connect MSD (WP 0016), select
1. If active 672-2 code is present,
put Speed Sensor Data
Powertrain D7 ECM, and check for
proceed to step 4.
Erratic, Intermittent, or
Diagnostic Codes or Event Codes
2. If active 672-2 code is NOT pres-
Incorrect
ent, proceed to step 2.
2. Code may only set with machine in
motion. Operate machine forward
and backward.
3. Check for Diagnostic Codes or
1. If active 672-2 code is present,
Event Codes (WP 0013).
proceed to step 4.
2. If no active codes are present, the
problem does NOT exist at this
time. Resume normal operation.
4. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
5. Adjust torque converter output
speed sensor (WP 0122).
6. Code may only set with machine in
motion. Operate machine forward
and backward.
