TM 5-3805-294-23-1
0054
Table 1. DTC 636.06 - High-Pressure Fuel Pump Position Circuit Has Low Resistance - Continued.
Test or Inspection
Corrective Action
Malfunction
Measure resistance (Volume
1.
If less than 1 kohms, replace
10.
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,
proceed to Malfunction 11.
1.
Disconnect engine wiring
11.
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 12.
Measure resistance (Volume
1.
If any measurement was less
12.
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
(Volume 4, WP 0509) Restore
other sockets on engine
Engine Interface
machine to original condition
interface wiring harness
Wiring Harness
and perform Harness
connector J02. (Volume 5,
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 13.
1.
Install high-pressure fuel pump
13.
Intermittent
position sensor. (Volume 3,
Shorted Circuit.
WP 0435)
0054-5