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
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)
2.
If voltage did not fluctuate,
proceed to Malfunction 17.
1.
Turn key switch to ON position,
17.
Intermittent Open
but DO NOT START ENGINE
Between Engine
(TM 5-3805-294-10). (Volume
Interface Wiring
Harness Connector
5, WP 0794)
J02 Sockets B2 and
L2.
2.
Measure voltage (Volume 3,
WP 0369) between engine
interface wiring harness
connector J02 sockets B2 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)
2.
If voltage did not fluctuate,
proceed to Malfunction 18.
1.
Disconnect engine wiring
18.
Short Circuit
harness connector J01 from
Between Engine
Wiring Harness
ECU. (Volume 5, WP 0800,
Connector J03
Figure 46)
Socket G4 and All
Other Sockets on
Engine Wiring
Harness
Connectors J01 and
J03.
0056-8