TM 5-3805-294-23-1
FIELD MAINTENANCE
DTC 636.10 - HIGH-PRESSURE FUEL PUMP POSITION SIGNAL RATE OF CHANGE ABNORMAL
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
Volume 3, WP 0345
(Volume 5, WP 0796, Table 2, Item 119)
Volume 3, WP 0362
Accessory Kit, MSD Electronic Equipment
Volume 3, WP 0369
(Volume 5, WP 0796, Table 2, Item 2)
Volume 3, WP 0383
Multimeter, Digital
Volume 3, WP 0410
(Volume 5, WP 0796, Table 2, Item 77)
Volume 3, WP 0435
Probe Set, Standard
Volume 4, WP 0508
(Volume 5, WP 0796, Table 2, Item 91)
Volume 4, WP 0509
Test Set, MSD Electronic Systems
Volume 4, WP 0510
(Volume 5, WP 0796, Table 2, Item 116)
Volume 4, WP 0511
Volume 5, WP 0800
Personnel Required
Construction Equipment Repairer 91L (2)
Equipment Condition
Machine safely parked and shut down
(TM 5-3805-294-10). (Volume 5, WP 0794)
References
Test Equipment Setup for MSD and Service
TM 5-3805-294-10 (Volume 5, WP 0794)
ADVISOR. (Volume 3, WP 0375)
Troubleshooting Sequence
DTC 636.08
DTC 636.10
When DTC is Displayed
The engine is cranking or running and the error condition is active.
Related Information
The ECU detects an improper pattern (pulses missing) on the high-pressure fuel pump position sensor input.
Inadvertently swapping the high-pressure fuel pump position sensor harness connector with the crankshaft sensor
harness connector may cause this DTC along with DTC 637.10.
Wiring problems such as loose terminals or water in connectors may also cause this DTC.
A loose crankshaft timing wheel may also cause this DTC.
Alarm Level
Warning.
0056-1