TM 5-3805-294-23-1
0060
Table 1. DTC 637.07 - Crankshaft and High-Pressure Fuel Pump Position Signals Out of Sync - Continued.
Test or Inspection
Corrective Action
Malfunction
Visually inspect engine wiring
1.
If damaged or has loose
2.
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 3.
1.
Remove crankshaft position
3.
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 4.
1.
Disconnect engine wiring
4.
Engine Wiring
harness connector X02 from
Harness Connector
high-pressure fuel pump
X02 Has Damage or
position sensor. (Volume 5,
Loose Sockets.
WP 0800, Figure 83)
2.
Visually inspect engine wiring
1.
If damaged or has loose
harness connector X02 for
sockets, repair connector X02
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)
If not damaged and does not
2.
have loose sockets, proceed to
Malfunction 5.
0060-3