cummins specifications

Specifications (018-001)

Table of Contents

General Information Electrical Specifications Sensor Specifications

General Information TOC

WARNING

This diagram is provided as a diagnostic tool for trained, experienced technicians only. Troubleshooting presents the risk of equipment damage, personal injury, or death. Troubleshooting must be performed by trained, experienced technicians. See important instructions in the service manual.

Electrical Specifications TOC

DATA LINK

Positive wire to chassis ground (J1587 only)

4.0 to 5.0 VDC

Negative wire to chassis ground (J1587 only)

0.0 to 2.5 VDC

J1939 BACKBONE RESISTANCE

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2/11/2007mk:@MSITStore:E:\HD_D.CHM::/english/procedures/3666268.htm

Positive wire to return wire

50 to 70 Ohms

J1939 Termination Resistance

110 to 130 Ohms

ALL CONTINUITY CHECKS

OK (no open circuit) if < 10 Ohms

ALL SHORTS TO GROUND

All other circuits

OK (no short circuit) if > 10 MOhms

SHORT CIRCUIT TO EXTERNAL VOLTAGE

OK if < 1.5 VDC

5 V POWER SUPPLY

@ ECM, 4.75 to 5.25 VDC

ECM CONNECTOR

Retaining Cap Screw Torque = 3 N•m [25 in-lb]

SOLENOIDS

Fuel Shutoff Valve and Wastegate Controller Actuator Solenoids

Coil Resistance = 7 to 8 Ohms

Fueling Actuator Temperature

Resistance =

0.54 to 1.07 Ohms = -17°C [0°F] to 54°C [130°F]

0.67 to 1.20 Ohms = 38°C [100°F] to 93°C [200°F]

Timing Actuator Temperature, Resistance =

0.87 to 1.73 Ohms = -17°C [0°F] to 54°C [130°F]

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1.10 to 1.97 Ohms = 38°C [100°F] to 93°C [200°F].

Engine Brake Solenoids, Resistance =

12 Volt - 8 to 10 Ohms (cold)

12 Volt - 16 to 20 Ohms (hot)

24 Volt - 32 to 40 Ohms (cold)

24 Volt - 60 to 80 Ohms (hot)

Air Compressor Solenoids

Resistance = 11.0 to 20.0 Ohms.

Sensor Specifications TOC

OIL PRESSURE SENSOR

Torque (Threaded style) = 14 N•m [10 ft-lb]

Pressure (kPa) Pressure [psia] Voltage (VDC)

0 0 0.70 to 1.20

172.37 25 2.10 to 2.70

344.74 50 3.50 to 4.20

414.11 60 4.00 to 4.70

AMBIENT AIR PRESSURE SENSOR


Altitude (m) Altitude [ft] Pressure (psia) Voltage (VDC)

0 (sea level) 0 14.7 3.40 to 4.50

915 3000 13.2 2.80 to 3.80

1830 6000 11.8 2.20 to 3.25

2744 9000 10.5 1.70 to 2.70

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3659 12000 9.35 1.20 to 2.20

FUEL PRESSURE SENSOR

Torque = 14 N•m [10 ft-lb]

Pressure (kPa) Pressure [psig] Voltage (VDC)

0 0 0.60 to 0.75

345 50 1.20 to 1.50

690 100 1.90 to 2.15

1380 200 3.15 to 3.50

1970 285 4.20 to 4.70

INTAKE MANIFOLD PRESSURE SENSOR


Pressure (mmHg) Pressure [inHg] Pressure (psig) Voltage (VDC)

0 0 0 0.75 to 1.20

646.48 25.45 12.5 1.60 to 2.10

1292.88 50.90 25 2.40 to 3.00

1939.36 76.35 37.5 3.25 to 3.85

2585.76 101.80 50 4.10 to 4.70

RAIL PRESSURE SENSORS, FRONT AND REAR


Pressure (kPa) Pressure [psig] Voltage (VDC)

0 0 0.50 to 0.70

345 50 1.20 to 1.50

690 100 1.95 to 2.30

1380 200 3.40 to 3.80

2070 300 4.20 to 4.70

FUEL INLET RESTRICTION SENSOR


Pressure (inHg) Pressure (psia) Voltage (VDC)

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21.8 4 0.34 to 0.66

17.7 6 1.00 to 1.33

13.7 8 1.67 to 2.00

9.6 10 2.34 to 2.66

5.5 12 3.00 to 3.33

AMBIENT AIR TEMPERATURE SENSORS

Temperature (°C) Temperature (°F) Resistance (Ohms)

0 32 29k to 36k

25 77 9k to 11k

50 122 3k to 4k

75 167 1300 to 1600

100 212 600 to 750

ALL TEMPERATURE SENSORS


Temperature (°C) Temperature (°F) Resistance (Ohms)

0 32 30k to 36k

25 77 9k to 11k

50 122 3k to 4k

75 167 1350 to 1500

100 212 600 to 675

VEHICLE SPEED SENSOR


First Coil Resistance = 750 to 1100 Ohms

Second Coil Resistance = 1100 to 1500 Ohms

ENGINE POSITION SENSORS (CRANKSHAFT AND CAMSHAFT)


On Metal = 3.5 to 5 VDC

Off Metal = 0.0 to 2.2 VDC

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Last Modified: 02-Sep-2004

Copyright© 2004 Cummins, Inc. All rights reserved

ACCELERATOR PEDAL (IVS, ISS, & APS)

Idle Validation Circuit Resistance (For ON and OFF-IDLE States) IVS - MAX Closed Circuit Resistance < 10 Ohms ISS - MAX Closed Circuit Resistance < 125 Ohms IVS, ISS - MIN Open Circuit Resistance > 100 kOhms

Accelerator Position Sensor coil Resistance: Between supply and return wires, 2000 to 3000 ohms Between supply and signal wires (released pedal), 1500 to 3000 ohms Between supply and signal wires (depressed pedal), 200 to 1500 ohms

NOTE: Released resistance minus depressed resistance must be > 1000 ohms.

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cummins specifications

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