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
Perform Upper Idler Gear
1.
If not damaged and does not
3.
Webs and Rear
Target Inspection. (Volume 3,
have debris, proceed to
Face On The Upper
Malfunction 4.
Idler Gear Has Burs,
WP 0383)
Chips, or Debris.
2.
If damaged or has debris,
replace engine. (Volume 3,
WP 0410) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
Visually inspect high-pressure
1.
If damaged or has debris,
4.
High-Pressure Fuel
fuel pump position sensor tip
replace high-pressure fuel
Pump Position
pump position sensor.
Sensor Has
(Volume 3, WP 0435) for
Damage or Debris.
damage or debris.
(Volume 3, WP 0435) If
replacement sensor becomes
damaged, determine cause of
damage. Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
2.
If not damaged and does not
have debris, 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. Note
ohms, replace high-pressure
reading. (Volume 5, WP 0800,
fuel pump position sensor.
Figure 83)
(Volume 3, WP 0435) Restore
machine to original condition
and perform Harness
Diagnostic Mode Test.
(Volume 3, WP 0345)
1.
Install high-pressure fuel pump
6.
ECU Connector J03
position sensor. (Volume 3,
Has Damage or
Loose Pins.
WP 0435)
2.
Disconnect engine wiring
harness connector J03 from
ECU. (Volume 5, WP 0800,
Figure 48)
0052-3