© 1998 Caterpillar All Rights Reserved Printed in U.S.A. SENR1072-01 February 1998 3176C, 3196, 3406E & 3456 Industrial Engines 6BR1-UP 1DW1-UP 2AW1-UP 3LW1-UP Left Side View TIMING CALIBRATION CONNECTOR (J26/P26) ELECTRONIC CONTROL MODULE FUEL PRESSURE (J49/P49) FUEL TEMPERATURE (J43/P43) ATMOSPHERIC PRESSURE (J27/P27) BACKUP SPEED TIMING (J44/P44) INLET AIR MANIFOLD PRESSURE (J23/P23) INLET AIR TEMPERATURE (J88/P88) PRIMARY SPEED/TIMING (J20/P20) COOLANT TEMPERATURE (J21/P21) OIL PRESSURE (J22/P22) FUEL PRESSURE (J49/P49) Front View Front Cover Top View FUEL TEMPERATURE (J43/P43) INLET AIR TEMPERATURE (J88/P88) TIMING CALIBRATION (J26/P26) ELECTRONIC CONTROL MODULE ATMOSPHERIC PRESSURE (J27/P27) INLET AIR MANIFOLD PRESSURE (J23/P23) TOP SPEED/TIMING (J44/P44) BOTTOM SPEED/TIMING (J20/P20) OIL PRESSURE COOLANT PRESSURE (J21/P21) FUEL PRESSURE (J49/P49) Right Side View Left Side View INLET AIR MANIFOLD PRESSURE (J23/P23) BACKUP SPEED/TIMING (J44/P44) PRIMARY SPEED/TIMING (J20/P20) ATMOSPHERIC PRESSURE (J27/P27) FUEL TEMPERATURE (J43/P43) INLET AIR TEMPERATURE (J88/P88) TIMING CALIBRATION (J26/P26) ELECTRONIC CONTROL MODULE COOLANT TEMPERATURE (J21/P21) OIL PRESSURE (J22/P22) Left Side View Right Side View E25717 CONNECTION LOCATION VIEWS 3456 INDUSTRIAL ENGINE ONLY CONNECTION LOCATION VIEWS 3406E INDUSTRIAL ENGINE ONLY CONNECTION LOCATION VIEWS 3176 AND 3196 INDUSTRIAL ENGINES ONLY
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©1998 CaterpillarAll Rights Reserved
Printed in U.S.A.
SENR1072-01February 1998
3176C, 3196, 3406E & 3456Industrial Engines6BR1-UP1DW1-UP2AW1-UP3LW1-UP
Left Side View
TIMING CALIBRATION CONNECTOR(J26/P26)
ELECTRONIC CONTROL MODULE
FUEL PRESSURE(J49/P49)
FUEL TEMPERATURE(J43/P43)
ATMOSPHERIC PRESSURE(J27/P27)
BACKUP SPEED TIMING(J44/P44)
INLET AIR MANIFOLD PRESSURE(J23/P23)
INLET AIR TEMPERATURE(J88/P88)
PRIMARY SPEED/TIMING(J20/P20)
COOLANT TEMPERATURE(J21/P21)
OIL PRESSURE(J22/P22) FUEL PRESSURE
(J49/P49)
Front View
Front Cover
Top View
FUEL TEMPERATURE(J43/P43) INLET AIR TEMPERATURE
(J88/P88)
TIMING CALIBRATION(J26/P26)
ELECTRONIC CONTROL MODULE
ATMOSPHERIC PRESSURE(J27/P27)
INLET AIR MANIFOLD PRESSURE(J23/P23)
TOP SPEED/TIMING(J44/P44)
BOTTOM SPEED/TIMING(J20/P20)
OIL PRESSURE
COOLANT PRESSURE(J21/P21)
FUEL PRESSURE(J49/P49)
Right Side View
Left Side View
INLET AIR MANIFOLD PRESSURE(J23/P23)
BACKUP SPEED/TIMING(J44/P44)
PRIMARY SPEED/TIMING(J20/P20)
ATMOSPHERIC PRESSURE(J27/P27)
FUEL TEMPERATURE(J43/P43)
INLET AIR TEMPERATURE(J88/P88)
TIMING CALIBRATION(J26/P26)
ELECTRONIC CONTROL MODULE
COOLANT TEMPERATURE(J21/P21)
OIL PRESSURE(J22/P22)
Left Side View
Right Side View
E25717
CONNECTION LOCATION VIEWS 3456 INDUSTRIAL ENGINE ONLY
CONNECTION LOCATION VIEWS 3406E INDUSTRIAL ENGINE ONLY
CONNECTION LOCATION VIEWS 3176 AND 3196 INDUSTRIAL ENGINES ONLY
G810/PUG811/YL
L983/WHL984/ORL985/YLA706/GYA705/BUA704/GNA703/BRA702/PUA701/GY
MAX LENGTH 40 METERS
ABC
654321
CAB
TERMINATIONRESISTOR(NOTE C & M)
120
(NOTE H)
NOTE C: MAXIMUM LENGTH OF DATA BUS (TERMINATION RESISTOR
NOTE M: REFER TO THE INSTALLATION GUIDE FOR ADDITION
NOTE L: 12 VOLT BATTERY SYSTEMS MUST USE THE DC/DC CONVERTER FOR THE EMS TO OPERATE PROPERLY. 24 VOLT SYSTEMS SHOULD CONNECT SWITCHED BATTERY DIRECT TO PINS
NOTE K: WHEN THE SHUTDOWN SWITCH IS CONNECTED TO BATTERY (-) THE ECM DISABLES THE FUEL INJECTION SIGNAL. THIS ACTION CAUSES THE ENGINE TO SHUTDOWN WHILE LEAVING
NOTE H: THE DEFAULT SETTING FOR THE EMS IS METRIC UNITS. IF METRIC UNITS ARE REQUIRED NO CONNECTION IS NEEDED. IF U.S. UNITS ARE REQUIRED, A PERMANENT CONNECTION TO
NOTE G: ONE MAIN EMS MODULE IS REQUIRED FOR EACH DESIRED MONITORING STATION. THE TACHOMETER AND/OR QUAD GAGE UNITS ARE OPTIONAL AND WILL NOT OPERATE WITHOUT CONNECTION TO
NOTE F: PIN 22 ON THE EMS MAIN MODULE 40 PIN CONNECTOR
(NOTE J)
(NOTES E & M)
120
GROUND STUD
OPTIONAL REMOTETACHOMETER OR
QUAD GAGE(NOTES G & M)
PTO RAMPUP/DOWN SWITCH
DEVICE
DC/DC CONVERTER(NOTES L & M)
TERMINATIONRESISTOR(NOTE C & M)
(NOTE M)
QUAD GAGE(NOTE G)
TACHOMETER(NOTE G)
MAIN UNIT(NOTE G)
40393837363231302928272624222119181716121110986333471323203534251514521
0
5
1015
20
25
30RPM X100
654321
CAB
SIG+ BAT.- BAT.
(P35)
+BAT. (UNSWITCHED)(NOTE B)+BAT. (SWITCHED)
J1939 SHIELDJ1939 DATA -J1939 DATA +
ATA DATA LINK -ATA DATA LINK +CAT DATA LINK -CAT DATA LINK +
-BAT.
UNUSEDUNUSEDUNUSEDUNUSEDUNUSEDUNUSEDUNUSEDUNUSEDUNUSEDUNUSED
PTO RAMP UP SWPTO RAMP DOWN SW
COOLANT LEVEL SNSRREMOTE SHUTDOWN SW
DIAGNOSTIC LAMPDIGITAL SNSR POWER (+8V)
INTERMEDIATE SPEED SWETHER START VALVE RELAY
STARTING AID SWMAINTENANCE OVERDUE LAMP
BKUP SP/TMG SNSROVERSPEED VERIFY SW
THROTTLE POSITION SNSRDIGITAL SNSR RETURN
ANALOG SNSR PWR (5V)ANALOG SNSR RETURN
UNUSEDUNUSED
PTO ENABLE SWWARNING LAMP
AUXILIARY TEMP SNSRMAINTENANCE CLEAR
UNUSEDUNUSEDUNUSED
TORQUE LIMIT SWUNUSEDUNUSEDUNUSEDUNUSED
TURBO OUTLET PRESS.ATMOSPHERIC PRESS. SNSR
ENG OIL PRESS. SNSRFUEL TEMP SNSR
FUEL PRESS. SNSRSOLENOID COMMONAIR SHUTOFF SOL
UNUSEDAUXILIARY PRESSURE SNSR
PTO INTERRUPT SW
ANALOG SNSR POWER (+5V)ANALOG SNSR COMMON
INLET AIR TEMP SNSR+V ENG SP/TMG
ENG SP/TMG COMMONPRIM. SP/TMG SNSR
COOL. TEMP SNSR
INJECTOR COMMON 1 & 2INJECTOR COMMON 3 & 4INJECTOR COMMON 5 & 6
INJECTOR 6INJECTOR 5INJECTOR 4INJECTOR 3INJECTOR 2INJECTOR 1
J1/P1
MAX LENGTH 1 METER(NOTE M)
MAX LENGTH 0.2 METERS
J2/P2
150/ORG971/BRG969/YLG468/GNE452/WH
167/ORA274/BKG469/BUA307/GY
125/ORA243/BK
382/PKM910/ORF426/BUM909/GNF716/WHG968/WH
387/PKM904/OR
381/PUG970/BUG955/GNG967/WHF424/YLF404/RDF420/GNM905/PU
120/YL892/BR893/GN
M903/GNM902/ORE794/YLE793/BUE797/WHE798/PKM908/YLA234/BKK900/YLK990/GN
ABC
ABC
ABC
ABC
CAB
145
1136
89
33101415223812
22728401929
330391324252026
67
21233132343537161718
+V IN-V IN
+V OUT-V OUT
(NOTE F)
ECM
CB(NOTE D)
CB(NOTE B)
CB
(P34)
OFF ENGINE
PTO ENABLE SW
PTO INTERUPT SW
OVERSPEED VERIFY SW
INTERMEDIATE SPEED SW
120/YL229/BK
893/GN892/BR
E793/BUE794/YL
ETHERVALVE
MAINTENANCEOVERDUE LAMP
DATA LINKBOOSTER
OPTIONAL EMS DISPLAY MODULES
+BAT.-BAT.NCCAT DATA LINK +CAT DATA LINK -NCNCATA DATA LINK -ATA DATA LINK +
+24V- BAT.
US/METRICSCROLL FORWARD
CAT DATA LINK -CAT DATA LINK +
UNUSEDWARNING LAMP
WARNINGBACKLIGHT LAMP PWR
SCROLL BACKWARD
1 2 3 4 5 6 7 8 9101112
+ BAT.- BAT. CAT DATA LINK -CAT DATA LINK + ATA DATA LINK +ATA DATA LINK -
REMOTE SHUTDOWN SW
TORQUE LIMIT SW
MAINTENANCE CLEAR SW
+BAT. (UNSWITCHED)AIR SHUTOFF SOLENOIDSOLENOID COMMONAUXILIARY TEMP SNSRCOOLANT LEVEL SNSRDIG SNSR PWR (+8V)DIG SNSR RETURNAUXILIARY PRESS. SNSRTHROTTLE POSITION SNSRANLG SNSR PWR (+5V)ANLG SNSR RETURNETHER START VALVE RELAYSTARTING AID SWMAINTENANCE CLEAR SWTORQUE LIMIT SWREMOTE SHUTDOWN SWINTERMEDIATE SPEED SWOVERSPEED VERIFY SWPTO INTERRUPT SWPTO ENABLE SWNCPTO RAMP UP SWPTO RAMP DOWN SWMAINTENANCE OVERDUE LAMPDIAGNOSTIC LAMPWARNING LAMPNC+BAT. (SWITCHED)CAT DATA LINK -CAT DATA LINK +NCNCATA DATA LINK +ATA DATA LINK -NCNCNCJ1939 SHIELDJ1939 DATA +J1939 DATA -
15A
15A
STARTING AID SW
ACB
+8VSIGNALRETURN
ABCEDFGJH
CIRCUITS WITHIN THIS AREA ARE RECOMMENDATIONS(NOTE M)
STON
OFFB
S
C
R
G S
MTR BAT
SM
CIS
GND
ALT
-
+5VSIGNALRETURN
+
ACB
DIAGNOSTIC LAMP
BATTERY
46
263933
17395
28401011121416171923
2515
28
223524341321
18323729363031382027
24312538111621323335
2320
8397
13191526
410403630
21
293714
517273428221812
639
ABCDEFGHJ
(P19B)AUXILIARY
+8VSIGNALRETURN
ACB
(P19A)AUXILIARY
ACB
+5VSIGNALRETURN
150/OR120/YLA234/BKK990/GNK900/YLE793/BUE794/YL892/BR893/GN229/BK
M902/ORM903/GN
G955/GNG967/WHE452/WHF716/WHF404/RD167/ORG968/WH382/PKM910/ORF424/YL
F732/PK387/PKA307/GYA274/BK125/ORA243/BKM908/YLM905/PU381/PUF420/GN
G468/GNF426/BUE798/PKE797/WH M909/GN
A746/PKA747/GY994/GYF421/YL413/BRG969/YLG971/BRG970/BUG469/BUM904/OR
G811/YLG809/GNG808/BU997/OR993/BRC967/BU996/GN998/BR999/WH995/BU
WIRE CODE
4321
STD ENGINE HARNESS WIRINGOPTIONAL ATCH WIRINGCUSTOMER SUPPLIED WIRING
L983/WHL984/ORL985/YLA706/GYA705/BUA704/GNA703/BRA702/PUA701/GYG810/PU
87654321
997/OR994/GY993/BR
997/ORA747/GY
993/BR
997/ORA746/PK
993/BR
997/OR995/BU993/BR
998/BR996/GN
F732/PK
996/GN998/BR999/WH
ABBREVIATION
MAX LENGTH 30 METERS
J3/P3
(J42)CUST. SUPPLIED ENGSERVICE TOOL CONN
P91/J91
J49/P49
P43/J43
J22/P22
J27/P27
J23/P23
P21/J21
J44/P44
J60
J20/P20
ACB
+5VSIGNALRETURN
+5VSIGNALRETURN
ACB
ACB
+5VSIGNALRETURN
+5VSIGNALRETURN
ACB
BAC
RETURN+12VSIGNAL
WARNING LAMP
NOTE E: USE RECOMMENDED CABLE OR EQUIVALENT PER SAE J1939
AIR SHUTOFFSOLENOID
997/ORF421/YL
993/BR
+5VSIGNALRETURN
ACB
+12VRETURNSIGNAL
ABC
ACB
P88/J88
G808/BUG809/GN
L983/WHL984/ORL985/YLA706/GYA705/BUA704/GNA703/BRA702/PUA701/GY
CYLNO.6
CYLNO.5
CYLNO.4
CYLNO.3
12108654321
1197 CYL
NO.1
997/OR413/BR993/BR
P26/J26
997/ORC967/BU
993/BR
+5VSIGNALRETURN
ABC
CYLNO.2
+
SMMS
NO ADDITIONAL CONNECTIONS ARE ALLOWED TO ANY WIRES WITHOUT CATERPILLAR ENGINEERING APPROVAL UNLESS OTHERWISE SPECIFIED: ALL WIRES TO BE 18 AWG OR LARGER SAE J1128 TYPE SXL OR
EQUIVALENT. FOR TWISTED PAIR SPECIFICATION SEE SAE J1708 ELIMINATION OF ANY COMPONENTS SHOWN WILL DISABLE CERTAIN ENGINE FEATURES. CONTACT CATERPILLAR ENGINEERING WHEN
NOTE A: THE CUSTOMER CONNECTOR BRACKET GROUND STUD MUSTHAVE A DIRECT WIRE CONNECTION TO BATTERY (-). THISCONNECTION CAN BE MADE AT THE STARTER (-) TERMINAL.
NOTE B: TO AVOID LOSS OF JOB DATA STORED BY THE ECM,DISCONNECT SWITCHES SHOULD NOT INTERRUPT EITHER THE ECM
A DASHED LINE INDICATES AN OPTIONAL FEATURE NOT AVAILABLE ON ALL SYSTEMS.
BATTERYDISCONNECT
SWITCH(NOTE B)
12
(NOTE A)
TC PROBE +TC PROBE -
TC SERVICE PROBE -TC SERVICE PROBE +
FUEL PRESSURE SENSOR
FUEL TEMPERATURE SENSOR
ATMOSPHERIC PRESSURE SENSOR
TURBO OUTLET PRESSURE SENSOR
COOLANT TEMPERATURE SENSOR
BACKUP SPEED/TIMING SENSOR
PRIMARY SPEED/TIMING SENSOR
INLET AIR TEPERATURE SENSOR
ENGINE OIL PRESSURE SENSOR
THROTTLE POSITIONSENSOR
PRESSURE SENSOR
COOLANT LEVEL SENSOR
TEMPERATURE SENSOR
a x10
CkPaMILESKMRPMSERV CODE
J44/P44
ECM
1218
439
BOTTOM SPEED/TIMING SENSOR - (TC PROBE -)BOTTOM SPEED/TIMING SENSOR + (TC PROBE +)
E966-YLE965-BU
12
F723-PKF724-BU
21
12
J26/P26 J20/P20
TOP SPEED TIMING SENSOR
BOTTOM SPEED TIMING SENSOR
3456 INDUSTRIAL ENGINE ONLY
(NOTE P)
(NOTE R)
BATTERY (-) OR UNSWITCHED BATTERY (+) LINES.
TO TERMINATION RESISTOR) IS 40 METERS.
NOTE D: PLACE APPROPRIATE CIRCUIT PROTECTION.
SPECIFICATIONS FOR ALL J1939 DATA LINK CONNECTIONS.
MUST BE CONNECTED TO BATTERY (-) FOR PROPER OPERATION.
A MAIN EMS MODULE.
COMPONENTS ARE SHOWN WITH THE KEY OFF.
BATTERY (-) IS REQUIRED.
NOTE J: 4 AWG WIRE.
THE ECM POWERED TO MONITOR ENGINE DIAGNOSTICS.
1 & 2 ON THE 12 PIN EMS HARNESS CUSTOMER CONNECTOR.
INSTALLATION DETAILS.
CONSIDERING COMPONENT REMOVAL.
NOTE P: APPLIES TO THE 3456 INDUSTRIAL ENGINE ONLY.
NOTE R: APPLIES TO THE 3176C/3196 AND 3406E INDUSTRIAL ENGINES ONLY.
J1/P1
J2/P2
TOP SPEED/TIMING SENSOR -TOP SPEED/TIMING SENSOR +
TOP SPEED/TIMING SENSOR -TOP SPEED TIMING/SENSOR +
BOTTOM SPEED/TIMING SENSOR -BOTTOM SPEED/TIMING SENSOR +
ALTERNATORAMERICAN TRUCKING ASSOCIATIONCIRCUIT BREAKERCUSTOMER IGNITION SWITCHDIGITALELECTRONIC CONTROL MODULENO CONNECTIONPULSE WIDTH MODULATIONSTARTING MOTORSTART MOTOR MAG SWITCH
ALTATACBCISDIGECMNCPWMSMSMMS
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