TM 5-3805-294-23-1
0057
Table 1. DTC 637.02 - Crankshaft Position Signal Invalid - Continued.
Test or Inspection
Corrective Action
Malfunction
Perform Timing Wheel Gear
1.
If gear is damaged, replace
3.
Timing Wheel Has
Target Inspection. (Volume 3,
Damage or Debris.
engine. (Volume 3, WP 0410)
WP 0376)
Restore machine to original
condition and perform Harness
Diagnostic Mode Test.
(Volume 3, WP 0345)
2.
If gear is not damaged,
proceed to Malfunction 4.
Visually inspect crankshaft
1.
If damaged or has debris,
4.
Crankshaft Position
position sensor tip for damage
replace crankshaft position
Sensor Has
and debris. (Volume 3,
Damage or Debris.
sensor. (Volume 3, WP 0405)
WP 0405)
Restore machine to original
condition and perform Harness
Diagnostic Mode Test.
(Volume 3, WP 0345)
2.
If not damaged and does not
have debris, proceed to
Malfunction 5.
Measure resistance (Volume
1.
If between 2,500 - 3,500 ohms,
5.
Crankshaft Position
proceed to Malfunction 6.
Sensor Faulty.
3, WP 0369) between pins A
and B on crankshaft position
2.
If not between 2,500 - 3.500
sensor. (Volume 5, WP 0800,
ohms, replace crankshaft
Figure 82) Note reading.
position sensor. (Volume 3,
WP 0405) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
1.
Install crankshaft position
6.
ECU Connector J03
sensor, do not reconnect
Has Damage or
connector X01. (Volume 3,
Loose Pins.
WP 0405)
2.
Disconnect engine wiring
harness connector J03 from
ECU. (Volume 5, WP 0800,
Figure 48)
0057-3