TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
672-2 Torque Converter Out-
7. Check for Diagnostic Codes or
1. If active 672-2 code is present,
put Speed Sensor Data
Event Codes (WP 0013).
proceed to step 8.
Erratic, Intermittent, or
2. If no active codes are present, the
Incorrect - Continued
problem does NOT exist at this
time. Resume normal operation.
8. Disconnect engine harness torque
converter output speed sensor
connector V-C10 (WP 0018, Fig-
ure 62) from the torque converter
output speed sensor (WP 0018,
Figure 63) (WP 0122).
9. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
0296), test for continuity between
to step 10.
pin 1 on torque converter output
2. If continuity is found, replace
speed sensor connector (WP
torque converter output speed
0018, Figure 63) and outside
sensor (WP 0122). Ensure all har-
housing of torque converter output
ness connectors are reconnected.
speed sensor (WP 0018,
Verify correct operation of
Figure 63).
machine (TM 5-2410-241-10).
10. Using a digital multimeter (WP
1. If continuity is NOT found, proceed
0296), test for continuity between
to step 11.
pin 2 on torque converter output
2. If continuity is found, replace
speed sensor connector (WP
torque converter output speed
0018, Figure 63) and outside
sensor (WP 0122). Ensure all har-
housing of torque converter output
ness connectors are reconnected.
speed sensor (WP 0018,
Verify correct operation of
Figure 63).
machine (TM 5-2410-241-10).
11. Using a digital multimeter (WP
1. If resistance is greater than 230
0296), measure resistance
ohms, replace torque converter
between pin 1 and pin 2 on torque
output speed sensor (WP 0122).
converter output speed sensor
Ensure all harness connectors are
connector (WP 0018, Figure 63).
reconnected. Verify correct opera-
Resistance should be 75 to 230
tion of machine (TM 5-2410-241-
ohms.
10).
2. If resistance is less than 75 ohms,
proceed to step 12.
12. Disconnect engine harness
(engine to platform) connector V-
C1 (WP 0018, Figure 12) from
platform harness (platform to
engine) connector MA-C22 (WP
0018, Figure 11).
0020-119
