TM 5-3805-294-23-1
0058
TROUBLESHOOTING PROCEDURE
Table 1. DTC 637.05 - Crankshaft Position Sensor Circuit Has High Resistance.
Test or Inspection
Corrective Action
Malfunction
1.
Verify key switch is in OFF
1.
Engine Wiring
position (TM 5-3805-294-10).
Harness Connector
X01 Has Damage or
(Volume 5, WP 0794)
Loose Sockets.
2.
Disconnect engine wiring
harness connector X01 from
crankshaft position sensor.
(Volume 5, WP 0800, Figure
82)
3.
Visually inspect engine wiring
1.
If damaged or has loose
harness connector X01 for
sockets, repair connector X01
damage and loose sockets.
(Volume 4, WP 0511) or
replace engine wiring
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 2.
1.
Remove crankshaft position
2.
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)
If not damaged and does not
2.
have loose pins, proceed to
Malfunction 3.
Measure resistance (Volume
1.
If between 2,500 - 3,500 ohms,
3.
Crankshaft Position
proceed to Malfunction 4.
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.
14.
0058-2