Caterpillar C-9 Industrial Engine Electrical System Schematic Manual – PDF DOWNLOAD

Page 1

SENR9592-03 December 2002

160-7689

Engine Coolant Temperature Sensor

Inlet Air Heater Relay

Intake Manifold Air Temperature Sensor

P1

Injection Actuation Pressure Control Valve (IAPCV) Integral To Pump

160-7690

Turbo Outlet (Intake Manifold Air) Pressure Sensor

Timing Calibration (TC) Probe Connector P400 (Not Present On All Engines)

Oil Grade Plug

Atmospheric Pressure Sensor

Caterpillar Supplied Engine Service Tool Connector J63

J2 Harness Connector Locations

Engine Coolant Temperature Sensor Fuel Pressure Sensor (Optional)

Turbo Outlet (Intake Manifold Air) Pressure Sensor

Atmospheric Pressure Sensor Injector Harness

Electronics Ground Stud

Injection Actuation Pressure Control Valve (IAPCV) Integral To Pump

Customer Connector J61 P2

Intake Manifold Air Temperature Sensor

Engine Oil Temperature Sensor (Middle) Engine Oil Temperature Sensor (End)

191-7823

6

J300

3

2

1

12 11 10 9

5

4

8

7

172-6062

P300

1

2

3

4

5

6

7

8

9 10 11 12

Engine Oil Pressure Sensor

2

Electronic Control Module (ECM)

1

P402

B

A

3E-3370

A

P200 P201 P203

Secondary Engine Speed/Timing Sensor Engine Oil Temperature Sensor (Middle)

B

A

Top View Fuel Pressure Sensor Location

Primary Engine Speed/Timing Sensor

169-8670

B

ECM Ground Strap

ECM Connector J2/P2

3E-3364

2

Engine Oil Pressure Sensor

155-2269

P100 P103 P400 P500 P501

Caterpillar Supplied Engine Service Tool Connector J63

Electronics Ground Stud

C

1

Timing Calibration (TC) Probe Connector P400 (Not Present On All Engines)

J1 Harness Connector Locations

C

J143 J144

ECM Connector P2

Secondary Engine Speed/Timing Sensor

111-2416

B

J204

Injection Actuation Pressure Sensor

CLJ1-UP

J301 J302 J303 J304 J305 J306

100-3320

A

Engine Oil Temperature Sensor (End)

209-0455

13 14 15 16 17 18

P401

C-9 Industrial Engine Electrical System

Injection Actuation Pressure Sensor

18 17 16 15 14 13

Primary Engine Speed/Timing Sensor

Oil Grade Plug

ECM Connector J1/P1

LEFT SIDE VIEW 2

1

© 2002 Caterpillar All Rights Reserved

Printed in U.S.A.

SENR9592-03

Fuel Pressure Sensor (Optional)

ECM Connector P1

Customer Connector J61


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