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
1.
Disconnect engine interface
11.
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 damage and
(Volume 4, WP 0511) or
loose sockets at sockets L1,
replace engine interface wiring
B2 and L2.
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 12.
1.
Turn key switch to ON position,
12.
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.
3.
Turn key switch to OFF
1.
If voltage fluctuated, replace
position (TM 5-3805-294-10).
engine interface wiring
harness. (Volume 4,
(Volume 5, WP 0794)
WP 0509) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
If voltage did not fluctuate,
2.
proceed to Malfunction 13.
0052-5