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C kPaMilesKMRPM LiterSERVCODEX10.. .

MESSAGE CENTERMODULEGAUGE CLUSTER

MODULE

CAT DATA LINK

ACTIONLAMP

ACTIONALARM

DISPLAY

DATA LINK

CAT DATA LINK AUTOSHIFTCONTROL

SPEEDOMETER/TACHOMETER

MODULE

3F12 MPHkm/h

TRACTIONCONTROLSYSTEM

CATERPILLAR MONITORING SYSTEM

INPUTCOMPONENTS

INPUTCOMPONENTS

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INPUT COMPONENTS

SWITCHES

SENDERS

SENSORS

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SWITCH-TYPE

UNCOMMITTED

PROGRAMMING

SERVICE

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SENDER-TYPE

0 to 240 OHM

70 to 800 OHM

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SENSOR-TYPE

PWM (DIGITAL)

FREQUENCY

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OUTPUT COMPONENTS

MAIN DISPLAY MODULE

DISPLAY DATA LINK

ALERT INDICATORS

ACTION LAMP/ALARM

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C kPaMilesKM RPMLiter SERVCODEX10.. .

MESSAGE CENTERMODULEGAUGE CLUSTER

MODULE

CAT DATA LINK

ACTIONLAMP

ACTIONALARM

DISPLAYDATA LINK

CAT DATA LINK AUTOSHIFTCONTROL

SPEEDOMETER/TACHOMETER

MODULE

3F12 MPHkm/h

TRACTIONCONTROLSYSTEM

INPUTCOMPONENTS

CATERPILLAR MONITORING SYSTEM

MODESOF

OPERATION

MODESOF

OPERATION

INPUTCOMPONENTS

INPUTCOMPONENTS

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NORMAL

MODE -0-

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MODE - 1 -

HARNESS CODE

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Service Meter

Odometer

Tachometer

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Numeric Readout

GA-1 GA-2

GA-3 GA-4

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Diagnostic Scrolling

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30

SERVCODE

110F08SERV

CODE

Service Mode

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Tattletale Mode

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MILES or KILOMETERS

mph or km/h

Units Mode

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Setup Mode

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Calibration Mode

Check Service Manualand

Machine Electrical Schematic

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950F CAT

WARNING OPERATIONS

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TROUBLESHOOTINGCATEGORIES

Switch-Type Components

Sender-Type Components

Sensor-Type Components

Output Components

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950F CAT

CID's

FMI's

MID's

DIAGNOSTIC TROUBLESHOOTING

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SENSOR DIAGNOSTIC TESTS

Typical Temperature Sensor

Temperature Signal Voltage Duty Cycle

-40 to -20C (-40 to -4F)

-20 to -0C (-4 to 32F)

0 to 20C (32 to 68F)

20 to40C (68 to 104F)

40 to 60C (104 to 140

F)

60 to 80C (140 to 176F)

80 to 100C (176 to 212F)

100 to 120C (212 to 248F)

120 to 135C (248 to 275F)

.8 to 1.5 DCV

1.1 to 1.4 DCV

1.4 to 2.0 DCV

2.0 to 3.1 DCV

3.1 to 4.5 DCV4.5 to 5.7 DCV

5.7 to 6.6 DCV

6.6 to 7.2 DCV

7.2 to 7.4 DCV

10 to 11%

11 to 15%

15 to 23%

23 to 37%

37 to 55%55 to 71%

71 to 82%

82 to 89%

89 to 93%

Note: Actual values may change with different sensor part numbers

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