RENR2689
November 2000
797 Truck
Front Engine Control Electrical Circuit
5YW1-UP
©2000 Caterpillar
All Rights Reserved
Printed in U.S.A.
R726-P119 PU-16
R726-P118 PU-16
R728-P116 BR-16
R728-P115 BR-16
R730-P113 GY-16
R730-P112 GY-16
R727-P127 YL-16
R727-P128 YL-16
R729-P130 GN-16
R729-P131 GN-16
R731-P133 OR-16
R731-P134 OR-16
R731-P135 OR-16
R729-P132 GN-16
R727-P129 YL-16
R726-P120 PU-16
R728-P117 BR-16
R730-P114 GY-16
R701-P111 GY-16
R703-P110 BR-16
R705-P109 YL-16
R707-P108 PU-16
R709-P107 OR-16
R711-P106 PU-16
R702-P121 PU-16
R704-P122 GN-16
R706-P123 GY-16
R708-P124 BR-16
R710-P125 GY-16
R712-P126 BR-16
FRONT ENG RECEPT 1
9X0352
FRONT ENG RECEPT 3
9X0352
FRONT ENG RECEPT 5
9X0352
FRONT ENG RECEPT 7
9X0352
FRONT ENG RECEPT 9
9X0352
FRONT ENG RECEPT 11
9X0352
FRONT ENG RECEPT 2
9X0352
FRONT ENG RECEPT 4
9X0352
FRONT ENG RECEPT 6
9X0352
FRONT ENG RECEPT 8
9X0352
FRONT ENG RECEPT 10
9X0352
FRONT ENG RECEPT 12
9X0352
1
2
P-C35
3E3361
1
2
P-C36
3E3361
1
2
P-C37
3E3361
1
2
P-C38
3E3361
1
2
P-C39
3E3361
1
2
P-C40
3E3361
1
2
P-C41
3E3361
1
2
P-C42
3E3361
1
2
P-C43
3E3361
1
2
P-C44
3E3361
1
2
P-C45
3E3361
1
2
P-C46
3E3361
BR
BR
FRONT ENG CYL HEAD SOL 1
1379881
BR
BR
FRONT ENG CYL HEAD SOL 3
1379881
BR
BR
FRONT ENG CYL HEAD SOL 5
1379881
BR
BR
FRONT ENG CYL HEAD SOL 7
1379881
BR
BR
FRONT ENG CYL HEAD SOL 9
1379881
BR
BR
FRONT ENG CYL HEAD SOL 11
1379881
BR
BR
FRONT ENG CYL HEAD SOL 2
1379881
BR
BR
FRONT ENG CYL HEAD SOL 4
1379881
BR
BR
FRONT ENG CYL HEAD SOL 6
1379881
BR
BR
FRONT ENG CYL HEAD SOL 10
1379881
BR
BR
FRONT ENG CYL HEAD SOL 12
1379881
BR
BR
FRONT ENG CYL HEAD SOL 8
1379881
892-P4 BR-18
893-P3 GN-18
E793-P21 BU-18
E794-P20 YL-18
R998-P47 BR-16
X998-P49 BR-16
X998-P46 BR-16
150-P2 OR-14
150-P1 OR-14
113-P5 OR-14
R998-P14 BR-16
R998-P60 BR-16
R998-P61 BR-16
R998-P58 BR-16
R998-P62 BR-16
R998-P63 BR-16
R800-P66 OR-18
R800-P65 OR-18
R800-P12 OR-18
R993-P68 BR-16
R993-P71 BR-16
R993-P76 BR-16
R993-P79 BR-16
R993-P82 BR-16
R993-P85 BR-16
R993-P88 BR-16
R993-P91 BR-16
R997-P67 OR-16
R997-P70 OR-16
R997-P75 OR-16
R997-P78 OR-16
R997-P81 OR-16
R997-P84 OR-16
R997-P87 OR-16
R997-P90 OR-16
229-P104 BK-16
229-P105 BK-16
R719-P101 BR-18
R725-P102 WH-18
R915-P99 YL-18
R799-P98 BR-18
R995-P69 BU-18
R814-P72 PK-18
R804-P74 GY-18
R747-P77 GY-18
R746-P80 PK-18
R795-P83 YL-18
R994-P86 GY-18
R796-P89 GN-18
R751-P92 YL-18
R996-P156 GN-18
R999-P157 WH-18
R798-P93 PK-18
R797-P94 WH-18
R810-P9 BR-16
R807-P15 WH-16
R731-P135 OR-16
R729-P132 GN-16
R727-P129 YL-16
R726-P120 PU-16
R728-P117 BR-16
R730-P114 GY-16
R701-P111 GY-16
R703-P110 BR-16
R705-P109 YL-16
R707-P108 PU-16
R709-P107 OR-16
R711-P106 PU-16
R702-P121 PU-16
R704-P122 GN-16
R706-P123 GY-16
R708-P124 BR-16
R710-P125 GY-16
R712-P126 BR-16
R803-P73 GY-18
R914-P51 OR-16
X999-P6 GN-18
R918-P17 GN-16
R919-P18 OR-16
892-P36 BR-18
893-P39 GN-18
E793-P42 BU-18
E794-P45 YL-18
150-P53 OR-14
150-P52 OR-14
113-P56 OR-14
R998-P64 BR-16
R800-P138 OR-18
R993-P140 BR-16
R997-P142 OR-16
F711-P146 GN-16
F712-P148 GY-16
A234-P150 BK-16
R723-P151 PK-18
R724-P152 PU-18
229-P104 BK-16
229-P105 BK-16
R719-P101 BR-18
R725-P102 WH-18
R915-P99 YL-18
R799-P98 BR-18
R995-P69 BU-18
R814-P72 PK-18
R804-P74 GY-18
R747-P77 GY-18
R746-P80 PK-18
R795-P83 YL-18
R994-P86 GY-18
R796-P89 GN-18
R751-P92 YL-18
R996-P156 GN-18
R999-P157 WH-18
R798-P93 PK-18
R797-P94 WH-18
R810-P9 BR-16
R807-P15 WH-16
R731-P135 OR-16
R729-P132 GN-16
R727-P129 YL-16
R726-P120 PU-16
R728-P117 BR-16
R730-P114 GY-16
R701-P111 GY-16
R703-P110 BR-16
R705-P109 YL-16
R707-P108 PU-16
R709-P107 OR-16
R711-P106 PU-16
R702-P121 PU-16
R704-P122 GN-16
R706-P123 GY-16
R708-P124 BR-16
R710-P125 GY-16
R712-P126 BR-16
R803-P73 GY-18
R914-P51 OR-16
X999-P96 GN-18
R918-P17 GN-16
R919-P18 OR-16
INJECTOR 5 SOL
AFTERCOOLER TEMP SENSOR
ENG OIL PRESS SEN FILTERED
UNUSED
GND LEVEL SHUTDOWN (N/O)
CAN LINK -
FUEL FILTER SW
+BATTERY
MASTER ENG 1 SPEED SENSOR
-BATTERY
UNUSED
INJECTOR 1 SOL
INJECTOR 2 SOL
OIL PRESS SNSR UNFILTERED
ANALOG SNSR POWER +5V
DIGITAL SNSR POWER +8V
WASTEGATE SOLENOID
ATMOSPHERIC PRESS SENSOR
RH TURBO EXH TEMP SNSR
UNUSED
KEY SWITCH ON
START AID HOLD RELAY 1
CAT DATA LINK -
TIMING CAL -
UNUSED
INJECTOR 5 &7 SOL RETURN
INJECTOR 3 SOL
INJECTOR 4 SOL
INJECTOR 6 SOL
PWM RETURN 1 &2
UNUSED
INJECTOR 1 &3 SOL RETURN
INJECTOR 2 &4 SOL RETURN
UNUSED
INJECTOR 12 SOL
UNUSED
UNUSED
UNUSED
THROTTLE SIGNAL
INJECTOR 6 &8 SOL RETURN
CAN LINK +
UNUSED
LH TURBO EXH TEMP SENSOR
UNUSED
RH TURBO EXH PRESS SENSOR
CAT DATA LINK +
ATA DATA LINK -
ATA DATA LINK +
CRANKCASE PRESS SENSOR
GND LEVEL SHUTDOWN (N/C)
ENGINE SPEED/TIMING SENSOR
+V TIMING
DIGITAL SENSOR RETURN
COOLANT TEMP SENSOR
TURBO OUTLET PRESS SENSOR
J1939 SHIELD GROUND (CAN)
ANALOG SENSOR RETURN
FRONT ENGINE ECM
1328900
-BATTERY
UNUSED
TIMING CAL +
UNUSED
UNUSED
ENG OIL VERY LOW SW
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
+BATTERY
START AID PULL IN RELAY 1
OIL RENEWAL SOL
INJECTOR 10 SOL
INJECTOR 8 SOL
INJECTOR 9 &11 SOL RETURN
INJECTOR 11 SOL
INJECTOR 10 &12 SOL RETURN
WASTEGATE RETURN
INJECTOR 9 SOL
INJECTOR 7 SOL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
P-C3
1010204
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
P-C4
1010205
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
T998-AL6 BR-16
T919-AL5 YL-16
T918-AL4 BU-16
R998-P47 BR-16
T918-P8 BU-16
T919-P10 YL-16
R918-AL57 GN-16
R998-AL62 BR-16
R919-AL63 OR-16
T998-P13 BR-18
R918-P17 GN-16
R919-P18 OR-16
GROUND LEVEL SHUTDOWN SW
1702512
4
1
5
2
3
6
AL-C7
1552273
1
2
3
4
5
6
P-C12
3E3382
1
2
3
4
5
6
CONN 77
1
2
AL-C14
1552273
3
4
5
6
892-P4 BR-18 892-P36 BR-18
892-P34 BR-18
893-P3 GN-18
893-P37 GN-18
893-P39 GN-18
E793-P21 BU-18
E793-P40 BU-18
E793-P42 BU-18
E794-P20 YL-18
E794-P43 YL-18
E794-P45 YL-18
R998-P47 BR-16
X998-P49 BR-16
X998-P46 BR-16
150-P2 OR-14
150-P1 OR-14
150-P53 OR-14
150-P52 OR-14
113-P5 OR-14
113-P55 OR-14
113-P56 OR-14
R998-P64 BR-16R998-P14 BR-16
R998-P60 BR-16
R998-P61 BR-16
R998-P58 BR-16
R998-P62 BR-16
R998-P63 BR-16
R800-P138 OR-18
R800-P66 OR-18
R800-P65 OR-18
R800-P12 OR-18
R993-P140 BR-16
R993-P68 BR-16
R993-P71 BR-16
R993-P76 BR-16
R993-P79 BR-16
R993-P82 BR-16
R993-P85 BR-16
R993-P88 BR-16
R993-P91 BR-16
R997-P142 OR-16R997-P67 OR-16
R997-P70 OR-16
R997-P75 OR-16
R997-P78 OR-16
R997-P81 OR-16
R997-P84 OR-16
R997-P87 OR-16
R997-P90 OR-16
X998-P48 BR-18
F711-P146 GN-16
F712-P148 GY-16
A234-P150 BK-16
R723-P151 PK-18
R724-P152 PU-18
TIMIMG CAL
229-P104 BK-16
229-P105 BK-16
R719-P101 BR-18
R725-P102 WH-18
R915-P99 YL-18
R799-P98 BR-18
R995-P69 BU-18
R814-P72 PK-18
R804-P74 GY-18
R747-P77 GY-18
R746-P80 PK-18
R795-P83 YL-18
R994-P86 GY-18
R796-P89 GN-18
R751-P92 YL-18
R996-P156 GN-18
R999-P157 WH-18
R798-P93 PK-18
R797-P94 WH-18
R810-P9 BR-16
R807-P15 WH-16
R731-P135 OR-16
R729-P132 GN-16
R727-P129 YL-16
R726-P120 PU-16
R728-P117 BR-16
R730-P114 GY-16
R701-P111 GY-16
R703-P110 BR-16
R705-P109 YL-16
R707-P108 PU-16
R709-P107 OR-16
R711-P106 PU-16
R702-P121 PU-16
R704-P122 GN-16
R706-P123 GY-16
R708-P124 BR-16
R710-P125 GY-16
R712-P126 BR-16
R803-P73 GY-18
F711-PF1 GN-16
F712-PF2 GY-16
A234-PF3 BK-16
R914-P51 OR-16
X999-P6 GN-18 X999-P96 GN-18
X999-P7 GN-18
F711-PF4 GN-16
F712-PF5 GY-16
A234-PF6 BK-16
A234-PF9 BK-16
F712-PF8 GY-16
F711-PF7 GN-16
R918-P17 GN-16
R919-P18 OR-16
P-C9
3E3370
A
B
C
1
2
P-C10
3E3361
PF-C1
3E3367
A
B
C
CONN 69
CONN 70
R998-P58 BR-16
R998-P62 BR-16
R998-P63 BR-16
R800-P66 OR-18
R800-P65 OR-18
R993-P68 BR-16
R993-P71 BR-16
R993-P76 BR-16
R993-P79 BR-16
R993-P82 BR-16
R993-P85 BR-16
R993-P88 BR-16
R993-P91 BR-16
R997-P67 OR-16
R997-P70 OR-16
R997-P75 OR-16
R997-P78 OR-16
R997-P81 OR-16
R997-P84 OR-16
R997-P87 OR-16
R997-P90 OR-16
R995-P69 BU-18
R814-P72 PK-18
R804-P74 GY-18
R747-P77 GY-18
R746-P80 PK-18
R795-P83 YL-18
R994-P86 GY-18
R796-P89 GN-18
R751-P92 YL-18
R996-P156 GN-18
R999-P157 WH-18
R798-P93 PK-18
R797-P94 WH-18
R803-P73 GY-18
OR
BK
GROUND
VS
SIGNAL
WH
FRONT ENG COOLANT TEMP SNSR
1022240
OR
BK
GROUND
VS
SIGNAL
WH
FRONT ENG AFTERCOOLER TEMP SENSOR
1022240
OR-18
YL-18
GROUND
VS
SIGNAL
GN-18
FRONT ENG TURBO INLET PRESS SNSR
1619926
OR
BK
GROUND
VS
SIGNAL
WH
FRONT ENG LH TURBO EXH TEMP SNSR
1094367
OR
BK
GROUND
VS
SIGNAL
WH
FRONT ENG RH TURBO EXH TEMP SNSR
1094367
OR-18
YL-18
GROUND
+5V
SIGNAL
GN-18
FRONT ENG ATMOSPHIRIC PRESS SENSOR
1619926
OR-18
YL-18
GROUND
+5V
SIGNAL
GN-18
FRONT ENG CRANKCASE PRESS SENSOR
1619926
OR-18
YL-18
GROUND
+5V
SIGNAL
GN-18
FRONT ENG TURBO OUTLET PRESS SENSOR
(BOOST)
1619929
OR-18
YL-18
GROUND
+5V
SIGNAL
GN-18
FRONT ENG UNFILTERED OIL PRESS SNSR
1619931
OR-18
YL-18
GROUND
+5V
SIGNAL
GN-18
FRONT ENG FILTERED OIL PRESS SNSR
1619931
OR-18
YL-18
GROUND
+12V
SIGNAL
WH-18
FRONT ENG SPEED TIMING SENSOR
1296628
FRONT ENG WASTEGATE PROP SOL
1094591
RD-16
RD-16
P-C13
1042921
A
B
C
P-C14
3E3370
A
B
C
P-C15
1042921
A
B
C
P-C16
1042921
A
B
C
P-C17
3E3370
A
B
C
P-C18
3E3370
A
B
C
P-C19
3E3370
A
B
C
P-C20
3E3370
A
B
C
P-C21
3E3370
A
B
C
P-C22
1042921
A
B
C
P-C23
3E3370
A
B
C
1
2
P-C24
3E3361
X998-P49 BR-16
X998-P46 BR-16
R998-P60 BR-16
R998-P61 BR-16
229-P104 BK-16
229-P105 BK-16
R719-P101 BR-18
R725-P102 WH-18
R915-P99 YL-18
R799-P98 BR-18
R915-PC1 YL-18
R799-PC2 BR-18
X999-P6 GN-18
X996-P136 GN-18
X412-P97 BU-18
OR-18
BK-18
GROUND
+VS
SIGNAL
WH-18
MASTER FRONT ENG SPEED SNSR
1296628
ENG COOLANT FLOW SW
1383672
BK-18
BK-18
FRONT ENG CONT OIL BURN SOL
1427363
FRONT ENG OIL VERY LOW SW
1232993
BK-18
BK-18
FRONT ENG FUEL FLTR DIFF SW
1445661
BK-18
BK-18
ENGINE BLOCK GND 1
P-C25
3E3370
A
B
C
1
2
P-C26
3E3361
1
2
P-C27
3E3361
1
2
P-C29
3E3361
1
2
P-C30
3E3361
1
2
PC-C1
3E3364
A
B
PC-C2
1231197
893-CN47 GN-18
892-CN49 BR-18
113-CN45 OR-16
E793-CN43 BU-16
E794-CN41 YL-16
150-CN14 RD-14
150-CN15 RD-14
R807-CN28 WH-16
R998-CN26 BR-16
R810-CN21 BR-16
892-P4 BR-18
893-P3 GN-18
E793-P21 BU-18
E794-P20 YL-18
150-P2 OR-14
150-P1 OR-14
113-P5 OR-14
R998-P14 BR-16
R800-P12 OR-18
R810-P9 BR-16
R807-P15 WH-16
R914-P51 OR-16
1
3
5
6
7
10
14
17
20
23
33
34
CN-C4
3E6287
1
3
5
6
7
10
14
17
20
23
33
34
P-C5
1130581
CONN 57
892-CN17 BR-18892-CN50 BR-18
893-CN16 GN-18893-CN48 GN-18
893-CN47 GN-18
892-CN49 BR-18
113-CN18 OR-16
113-CN18 OR-16113-CN46 OR-16
113-CN45 OR-16
E793-CN36 BU-16E793-CN44 BU-16
E793-CN43 BU-16
E794-CN35 YL-16E794-CN42 YL-16
E794-CN41 YL-16
150-CN14 RD-14
150-CN14 RD-14
150-CN15 RD-14
150-CN15 RD-14
HARNESS TAG "6"
1
3
7
CN-C2
9X7147
J-C51
9X7148
CONN 8
RENR2690
RENR2683
RENR2683
RENR2691
RENR2691
RENR2691
RENR2680
40 PIN
RENR2691
RENR2691
RENR2691
RENR2681
RENR2681
RENR2680
RENR2691
RENR2683
RENR2683
RENR2683
RENR2683
RENR2691
40 PIN
RENR2691
RENR2690
RENR2691
150-J268
RD-14
150-J267 RD-14
113-J334 OR-16
10
11
12
JUNCTION BLOCK
J-C87
1153082
21 TERM
21 TERM
101-EK1 RD-10
101-CK1 RD-10
15A
ADEM FRONT BREAKER
6T3643
RENR2680
RENR2680
RENR2680
113-J265 OR-18
113-J266 OR-18
113-J333 OR-16
113-J127 OR-16
113-J374 OR-16
113-J249 OR-16
113-J334 OR-16
113-J387 OR-16
113-J15 OR-16
1
2
3
4
5
6
7
8
9
JUNCTION BLOCK
J-C90
1153082
FRONT ENGINE CONTROL CIRCUIT
RENR2689
797 TRUCK
150-E38 RD-14
150-J269
RD-14
77
E-C1
9X0146
CONN 23
24 PIN
J-C14
7X6222
Media
Number
797 Truck Electrical System
Schematic Titles
RENR2570 797 Truck Electrical System
RENR2680 Power Distribution and Ground Circuits
RENR2681 Starting and Start Aid Circuits
RENR2682 Integrated Brake Control Circuit
RENR2683 Vital Information Management System (VIMS)
RENR2684 Panel Lamp and Miscellaneous Circuits
RENR2685 Washer / Wiper and Turn Signal Circuits
RENR2686 Heater and Air Conditioning Circuits
RENR2687 Chassis Control Circuit
RENR2688 Transmission Control Circuit
RENR2689 Front Engine Control Circuit
RENR2690 Rear Engine Control Circuit
RENR2691 Master Engine Control Circuit
RENR2692 Schematic Tables and Symbol Definitions