TM 5-2410-240-23-1
0020
Table 2. Powertrain and Chassis Troubleshooting with Codes - Continued.
CID FMI CODE
Test or Inspection
Corrective Action
2686-08 Left Drive Motor
18. Using digital multimeter (WP
No Continuity - Replace left track
Speed Sensor #2 Abnormal
0283), test for continuity between
speed sensor (WP 0127). Ensure all
Frequency, Pulse Width, or
pin 43 on platform harness ECM
harness connectors are reconnected.
Period - Continued
J2 connector PL-C5 (WP 0018,
Verify proper operation of machine
Figure 218) and all other pins on
(TM 5-2410-240-10).and proceed to
platform harness ECM J1 connec-
step 19.
tor PL-C4 (WP 0018, Figure 217).
Continuity - Replace platform wiring
harness (WP 0150, WP 0155).
Ensure all harness connectors are
reconnected. Verify proper operation
of machine (TM 5-2410-240-10).
19. Operate machine forward and
reverse (TM 5-2410-240-10).
20. Do not turn ignition switch and
battery disconnect switch to OFF
position (TM 5-2410-240-10).
21. Connect MSD (WP 0016). Select
2686-08 Code Active - Replace
machine control ECM and check
machine ECM (WP 0147, WP 0149).
for diagnostic codes (WP 0013).
Verify proper operation of machine
(TM 5-2410-240-10).
No Codes Active - The problem does
not exist at this time. Resume normal
operation.
N OT E
2687-02 Right Drive Motor
Speed Sensor #1 Data
Always inspect harness connectors that are involved in circuit. Poor
Erratic, Intermittent, or
connections can often be the cause of an electrical circuit problem.
Incorrect
Verify that all connections in circuit are clean, secure, and connections
are in good condition. If a problem with connection is found, correct
problem and verify diagnostic code is active before performing this
procedure.
Tag wiring harnesses to aid installation.
1. Operate machine forward and
reverse (TM 5-2410-240-10).
2. Do not turn ignition switch and
battery disconnect switch to OFF
position (TM 5-2410-240-10).
3. Connect MSD (WP 0016). Select
2687-02 Code Active - Proceed to
machine control ECM and check
step 4.
for diagnostic codes (WP 0013).
No Codes Active - The problem does
not exist at this time. Resume normal
operation.
4. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-240-10).
