TM 5-3805-294-23-1
0055
Table 1. DTC 636.08 - High-Pressure Fuel Pump Position Sensor Signal Missing - Continued.
Test or Inspection
Corrective Action
Malfunction
Measure resistance (Volume
1.
If less than 1 kohms, replace
12.
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 13.
Measure resistance (Volume
1.
If less than 1 kohms, replace
13.
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
socket G4 (Volume 5,
machine to original condition
Socket G4 and
and perform Harness
WP 0800, Figure 48) and
Ground.
Diagnostic Mode Test.
known good ground. Note
reading.
(Volume 3, WP 0345)
2.
If greater than 1 kohms,
Malfunction 14.
1.
Disconnect engine wiring
14.
Short Circuit
harness connectors J01
Between Engine
Wiring Harness
(Volume 5, WP 0800, Figure
Connector J03
46) and J02 (Volume 5,
Socket G4 and All
WP 0800, Figure 47) from
Other Sockets on
ECU.
Engine Wiring
Harness
Connectors J01 and
J03.
2.
Measure resistance (Volume
1.
If any measurement was less
than 1 kohms, replace engine
3, WP 0369) between engine
wiring harness. (Volume 4,
wiring harness connector J03
socket G4 (Volume 5,
WP 0510) Restore machine to
original condition and perform
WP 0800, Figure 48) and all
Harness Diagnostic Mode
other sockets on engine wiring
harness connectors J01
Test. (Volume 3, WP 0345)
(Volume 5, WP 0800, Figure
2.
If all measurements were
46) and J03. Note readings.
greater than 1 kohms, proceed
to Malfunction 15.
0055-5