TM 5-3805-294-23-1
0052
Table 1. DTC 636.02 - High-Pressure Fuel Pump Position Signal Invalid - Continued.
Test or Inspection
Corrective Action
Malfunction
Measure resistance (Volume
1.
If any measurement was less
15.
Short Circuit
than 1 kohms, replace engine
Between Engine
3, WP 0369) between engine
wiring harness (Volume 4,
Wiring Harness
wiring harness connector J03
Connector J03
socket G4 (Volume 5,
WP 0510) and replace engine
Socket G4 and All
interface wiring harness.
WP 0800, Figure 48) and all
Other Sockets on
other sockets on engine
(Volume 4, WP 0509) Restore
Engine Interface
interface wiring harness
machine to original condition
Wiring Harness
connector J02. (Volume 5,
and perform Harness
Connector J02.
Diagnostic Mode Test.
WP 0800, Figure 47) Note
readings.
(Volume 3, WP 0345)
2.
If all measurements were
greater than 1 kohms, proceed
to Malfunction 16.
Visually inspect engine wiring
1.
If damaged or no twists,
16.
Engine Wiring
harness between connectors
replace engine wiring
Harness Between
harness. (Volume 4,
Connectors J03 and
J03 (Volume 5, WP 0800,
X02 Are Damaged
Figure 48) and X02 (Volume 5,
WP 0510) Restore machine to
or Not Twisted
original condition and perform
WP 0800, Figure 83) for
Throughout Wiring
Harness Diagnostic Mode
damage and no twists
Harness.
throughout wiring harness.
Test. (Volume 3, WP 0345)
2.
If not damaged and wiring
harness is twisted correctly,
proceed to Malfunction 17.
Visually inspect routing of
1.
If routed incorrectly, route
17.
Engine Wiring
engine wiring harness
engine wiring harness
Harness Incorrectly
between engine wiring
correctly. (Volume 4,
Routed Between
harness connectors J03 and
Engine Wiring
WP 0510) Restore machine to
Harness
X02. (Volume 4, WP 0510)
original condition and perform
Connectors J03 and
Harness Diagnostic Mode
X02.
Test. (Volume 3, WP 0345)
2.
If routed correctly, proceed to
Malfunction 18.
1.
Disconnect negative battery
18.
DTC 636.02 Inactive
With Alternator
cable. (Volume 4, WP 0521)
Disconnected.
2.
Disconnect alternator positive
output cable (Volume 3,
WP 0402), securing cable
from contacting a grounding
point.
3.
Disconnect all other alternator
connectors. (Volume 3,
WP 0402)
0052-7