TM 5-3805-294-23-1
0056
Table 1. DTC 636.10 - High-Pressure Fuel Pump Position Signal Rate of Change Abnormal - Continued.
Test or Inspection
Corrective Action
Malfunction
Measure resistance (Volume
1.
If less than 1 kohms, replace
14.
Short Circuit
engine wiring harness.
Between Engine
3, WP 0369) between engine
Wiring Harness
wiring harness connector J03
(Volume 4, WP 0510) Restore
Connector J03
sockets G3 and G4. (Volume
machine to original condition
Sockets G3 and G4.
and perform Harness
5, WP 0800, Figure 48) Note
Diagnostic Mode Test.
reading.
(Volume 3, WP 0345)
2.
If greater than 1 kohms,
proceed to Malfunction 15.
1.
Disconnect engine interface
15.
Engine Interface
wiring harness connector J02
Wiring Harness
from ECU. (Volume 5,
Connector J02 Has
Damaged or Loose
WP 0800, Figure 47)
Sockets L1, B2 and
L2.
2.
Visually inspect engine
1.
If damaged or has loose
interface wiring harness
sockets, repair connector J02
connector J02 for damaged or
(Volume 4, WP 0511) or
loose sockets at sockets L1,
replace engine interface
B2 and L2.
wiring harness. (Volume 4,
WP 0509) 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 16.
1.
Turn key switch to ON position,
16.
Intermittent Open
but DO NOT START ENGINE
Between Engine
(TM 5-3805-294-10). (Volume
Interface Wiring
Harness Connector
5, WP 0794)
J02 Sockets L1 and
L2.
2.
Measure voltage (Volume 3,
WP 0369) between engine
interface wiring harness
connector J02 sockets L1 and
L2 (Volume 5, WP 0800,
Figure 47) while gently
wiggling wiring harness. Note
any fluctuations in voltage.
0056-7