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
1.
Remove high-pressure fuel
4.
High-Pressure Fuel
pump position sensor.
Pump Position
Sensor Has
(Volume 3, WP 0435)
Damage or Loose
Pins.
2.
Visually inspect high-pressure
1.
If damaged or has loose pins,
fuel pump position sensor for
replace high-pressure fuel
damage and loose pins.
pump position sensor.
(Volume 5, WP 0800, Figure
(Volume 3, WP 0435) Restore
83)
machine to original condition
and perform Harness
Diagnostic Mode Test.
(Volume 3, WP 0345)
2.
If not damaged and does not
have loose pins, proceed to
Malfunction 5.
Measure resistance (Volume
1.
If between 2,500 - 3,500 ohms,
5.
High-Pressure Fuel
proceed to Malfunction 6.
Pump Position
3, WP 0369) between pins A
Sensor Faulty.
and B on high-pressure fuel
2.
If not between 2,500 - 3.500
pump position sensor.
ohms, proceed to Malfunction
(Volume 5, WP 0800, Figure
19.
83) Note reading.
Contact supervisor to verify if
1.
If upper idler gear was
6.
Internal Engine
an internal engine repair
removed prior to DTC 636.08
Repair Was
requiring removal of the upper
displaying active, proceed to
Performed
idler gear was performed.
Malfunction 7.
Requiring Removal
of Upper Idler Gear
2.
If upper idler gear was not
Prior to DTC 636.08
removed prior to DTC 636.08
Displaying Active.
displaying active, proceed to
Malfunction 8.
Perform Upper Idler Gear
1.
If damaged or has debris,
7.
Webs and Rear
Target Inspection. (Volume 3,
replace engine. (Volume 3,
Face On The Upper
Idler Gear Has Burs,
WP 0383)
WP 0410) Restore machine to
Chips, or Debris.
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
If not damaged and does not
2.
have debris, proceed to
Malfunction 8.
1.
Disconnect engine wiring
8.
ECU Connector J03
harness connector J03 from
Has Damage or
Loose Pins.
ECU. (Volume 5, WP 0800,
Figure 48)
0055-3