TM 5-3805-294-23-1
0061
Table 1. DTC 637.08 - Crankshaft Position Signal Missing - Continued.
Test or Inspection
Corrective Action
Malfunction
Visually inspect engine wiring
1.
If damaged or has loose
3.
Engine Wiring
harness connector X01 for
sockets, repair connector X01
Harness Connector
damage and loose sockets.
X01 Has Damage or
(Volume 4, WP 0511) or
Loose Sockets.
(Volume 5, WP 0800, Figure
replace engine wiring
82)
harness. (Volume 4,
WP 0510) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
2.
If not damaged and does not
have loose sockets, proceed to
Malfunction 4.
1.
Remove crankshaft position
4.
Crankshaft Position
Sensor Has
sensor. (Volume 3, WP 0405)
Damage or Loose
Pins.
2.
Visually inspect crankshaft
1.
If damaged or has loose pins,
position sensor for damage
replace crankshaft position
and loose pins. (Volume 5,
sensor. (Volume 3, WP 0405)
WP 0800, Figure 82)
Restore machine to original
condition and perform Harness
Diagnostic Mode Test.
(Volume 3, WP 0345)
2.
If not damaged and does not
have loose pins, 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, proceed to Malfunction
Figure 82) Note reading.
18.
Perform Timing Wheel Gear
1.
If gear is damaged, replace
6.
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 7.
1.
Disconnect engine wiring
7.
ECU Connector J03
harness connector J03 from
Has Damage or
Loose Pins.
ECU. (Volume 5, WP 0800,
Figure 48)
0061-3