9.83
Model 644E-42/944E-42
Rev. 6/04
Electrical System
Not
OK
Repair/replace ECM cab
harness.
Replace throttle position
sensor.
Not
OK
Engine speed drops to low
idle and there is no
response when the throttle
pedal is depressed.
Not
OK
At engine control module
power female harness
connector, at pin B,
wire [THP] (RED), check
for 5 VDC.
Refer to page 9.28 to
retrieve fault codes.
If OK
If OK
If OK
Check for 5 VDC at throttle
position sensor female
harness connector, at pin 1,
wire [THP] (RED).
Check resistance across pins
on at throttle position sensor
male connector. Resistance
across pins 1 and 3 should be
4,000 - 6,000 ohms.
Resistance across pins 2 and
3 should vary from
approximately 2,000 ohms,
with throttle pedal at rest, to
approximately 4,000 ohms,
with pedal fully depressed.
At P2 engine control
module power female
harness connector, at pin
29, wire [THP] (RED),
check for 5 VDC.
ECM issue.
Contact Cummins.
Repair/replace
ECM vehicle
power harness.
Not OK
If OK
Before troubleshooting any
electrical circuit, ALWAYS
begin by checking the
following:
1. Fuses.
2. All connections relating to
circuit are clean and tight.
3. All grounding straps are
intact and securely
fastened, refer to Section
9.1.12, “General Overview
(Vehicle Ground Strap
Locations).”
Содержание 944E-42
Страница 1: ......
Страница 2: ......
Страница 14: ...Safety Practices 1 8 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 102: ...Boom 3 56 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 139: ...4 37 Model 644E 42 944E 42 Rev 6 04 Cab and Covers This Page Intentionally Left Blank...
Страница 144: ...Cab and Covers 4 42 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 174: ...Axles Drive Shafts Wheels Tires and Brakes 5 30 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 202: ...Engine Cummins 4BT 3 9 B4 5T and QSB 4 5T 7 2 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 265: ...8 15 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 269: ...8 19 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 273: ...8 23 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 277: ...8 27 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 281: ...8 31 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 285: ...8 35 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 289: ...8 39 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 293: ...8 43 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 297: ...8 47 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 301: ...8 51 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 407: ...8 157 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 425: ...8 175 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
Страница 430: ...Hydraulic System 8 180 Model 644E 42 944E 42 Rev 6 04 MU4100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 6 6 16...
Страница 501: ...8 251 Model 644E 42 944E 42 Rev 6 04 Hydraulic System MT1950 2 3 4 5 6 7 8 5 5...
Страница 507: ...8 257 Model 644E 42 944E 42 Rev 6 04 Hydraulic System MT1950 1 2 3 4 5 6 7 4 4...
Страница 508: ...Hydraulic System 8 258 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 525: ...9 17 Model 644E 42 944E 42 Rev 6 04 Electrical System This Page Intentionally Left Blank...
Страница 554: ...Electrical System 9 46 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 759: ...10 3 Model 644E 42 944E 42 Rev 6 04 Stabil TRAK System This Page Intentionally Left Blank...
Страница 765: ...10 9 Model 644E 42 944E 42 Rev 6 04 Stabil TRAK System This Page Intentionally Left Blank...
Страница 785: ...10 29 Model 644E 42 944E 42 Rev 6 04 Stabil TRAK System This Page Intentionally Left Blank...
Страница 800: ...Stabil TRAK System 10 44 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 832: ...Transfer Carriage 11 32 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Страница 840: ...12 8 Model 644E 42 944E 42 Rev 6 04 Index...
Страница 841: ...Accident Prevention Tags OS2180 8990403 Origin 5 00 Accident Prevention Tags...
Страница 842: ...Accident Prevention Tags OS2180 8990403 Origin 5 00...
Страница 843: ......
Страница 844: ......