TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
177-3 Transmission Oil Tem- 29.
Using a digital multimeter (WP
1. If continuity is found, proceed to
perature Sensor (Sump) Volt-
0296), test for continuity between
step 30.
age Above Normal -
pin 18 on steering control harness
2. If continuity is NOT found, replace
Continued
connector X-C1 (WP 0018, Figure
steering control harness (WP
34) and pin 22 on powertrain ECM
0178). Ensure all harness connec-
connector X-C3 (WP 0018,
tors are reconnected. Verify cor-
Figure 3).
rect operation of machine (TM 5-
2410-241-10).
30. Using a digital multimeter (WP
1.
If continuity is NOT found, replace
0296), test for continuity between
powertrain ECM (WP 0180).
pin 22 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).
177-4 Transmission Oil Tem-
1. Connect MSD (WP 0016), select
1. If active 177-3 code is present,
perature Sensor (Sump)
Powertrain D7 ECM, and check for
proceed to step 2.
Voltage Below Normal
Diagnostic Codes or Event Codes
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 lower rear bottom guard
(WP 0199).
4. Disconnect transmission oil tem-
perature sensor connector V-C8
(WP 0018, Figure 46) from trans-
mission temperature sensor.
5. Turn ignition switch and battery
disconnect switch to ON position
(TM 5-2410-241-10).
6. Check for Diagnostic Codes or
1. If active 177-3 code is present,
Event Codes (WP 0013).
replace transmission temperature
sensor (WP 0146). Ensure all har-
ness connectors are reconnected.
Verify correct operation of
machine (TM 5-2410-241-10).
2. If active 177-4 code is present,
proceed to step 7.
