RENR2691
November 2000
797 Truck
Master Engine Control Electrical Circuit
5YW1-UP
©2000 Caterpillar
All Rights Reserved
Printed in U.S.A.
892-PA128 BR-18
893-PA127 GN-18
X999-PA126 GN-18
X412-PA129 BU-18
E793-PA132 BU-18
E794-PA133 YL-18
151-PA134 OR-14
229-PA137 BK-14
113-PA138 OR-14
F711-PA139 GN-16
F712-PA140 GY-16
A234-PA141 BK-16
X721-PA149 BR-18
X717-PA155 YL-16
X720-PA154 GN-16
X809-PA150 OR-16
X996-PA144 GN-18
X800-PA147 OR-16
X900-PA145 YL-16
X998-PA113 BR-16
X912-PA151 GN-16
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
-BATTERY
PRELUBE RELAY
DIGITAL SENSOR RETURN
THROTTLE BYPASS
CAN LINK +
+BATTERY (UNSWITCHED)
UNUSED
J1939 SHIELD GROUND (CAN)
USER DEFINED SHUTDOWN
UNUSED
UNUSED
THROTTLE POSITION SENSOR
KEY SWITCH ON (MAIN POWER)
SENSOR POWER +8V
+VS SENSOR
UNUSED
CAT DATA LINK +
COOLANT FLOW SW
UNUSED
UNUSED
+V TIMING
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
CAT DATA LINK -
ATA DATA LINK +
ATA DATA LINK -
UNUSED
UNUSED
UNUSED
MASTER ENGINE #2 SPEED SENSOR
START AID SWITCH
ENGINE ECM MASTER
1153055
MASTER ENG 1 SPEED SENSOR
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
CAN LINK -
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
PA-C16
3E6286
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
PA-C27
3E6287
229-PA137 BK-14
CONN 64
A234-PF9 BK-16
F712-PF8 GY-16
F711-PF7 GN-16F711-PA139 GN-16
F712-PA140 GY-16
A234-PA141 BK-16
CONN 63
F711-PF1 GN-16
F712-PF2 GY-16
A234-PF3 BK-16
F711-PA41 YL-16
F712-PA42 GY-16
A234-PA43 BK-16
PA-C28
3E3370
A
B
C
PF-C2
3E3367
A
B
C
PA-C43
3E3370
B
PF-C3
3E3367
A
C
892-PA128 BR-18
893-PA127 GN-18
E793-PA132 BU-18
E794-PA133 YL-18
151-PA134 OR-14
113-PA138 OR-14
X996-PA144 GN-18
X900-PA145 YL-16
X998-PA113 BR-16
892-PA29 BR-18 892-PA30 BR-18
892-PA4 BR-18
893-PA3 GN-18
893-PA32 GN-18893-PA31 GN-18
E793-PA33 BU-18 E793-PA34 BU-18
E793-PA22 BU-18
E794-PA35 YL-18 E794-PA36 YL-18
E794-PA21 YL-18
113-PA37 OR-14 113-PA38 OR-14
113-PA5 OR-14
151-PA1 OR-14
151-PA136 OR-14
892-PA128 BR-18
893-PA127 GN-18
X900-PA146 YL-18
E793-PA132 BU-18
E794-PA133 YL-18
151-PA135 OR-14
151-PA2 OR-14
151-PA134 OR-14
113-PA138 OR-14
X996-PA143 GN-18
X996-PA142 GN-18
X996-PA144 GN-18
X900-PA112 YL-18
X900-PA112 YL-18
X900-PA145 YL-16
X998-PA148 BR-16
X998-PA156 BR-18
X998-PA113 BR-16
X998-PA111 BR-16
892-PA29 BR-18
893-PA31 GN-18
E793-PA33 BU-18
E794-PA35 YL-18
113-PA37 OR-14
X996-PA143 GN-18
X998-PA148 BR-16
229-PA44 BK-14
229-PA45 BK-14
ENG BLOCK GROUND 2
892-P34 BR-18
893-P37 GN-18
E793-P40 BU-18
E794-P43 YL-18
113-P55 OR-14
X998-P48 BR-18
892-PA29 BR-18
893-PA31 GN-18
E793-PA33 BU-18
E794-PA35 YL-18
113-PA37 OR-14
E794-PA35 YL-18
E793-PA33 BU-18
893-PA31 GN-18
113-PA37 OR-14
892-PA29 BR-18
E794-P43 YL-18
893-P37 GN-18
X998-P48 BR-18
E793-P40 BU-18
113-P55 OR-14
892-P34 BR-18
X996-P136 GN-18
X996-P136 GN-18
X412-P97 BU-18
X412-P97 BU-18
X999-P7 GN-18
X999-P7 GN-18X999-PA126 GN-18
X999-PA126 GN-18
X412-PA129 BU-18
X412-PA129 BU-18
X996-PA143 GN-18
X996-PA143 GN-18
TWISTED WIRES
X998-PA148 BR-16
X998-PA148 BR-16
892-PA128 BR-18
893-PA127 GN-18
E793-PA132 BU-18
E794-PA133 YL-18
151-PA134 OR-14
113-PA138 OR-14
F711-PA139 GN-16
F712-PA140 GY-16
A234-PA141 BK-16
X721-PA149 BR-18
X717-PA155 YL-16
X720-PA154 GN-16
X809-PA150 OR-16
X996-PA144 GN-18
X800-PA147 OR-16
X900-PA145 YL-16
X998-PA113 BR-16
X912-PA151 GN-16
1
2
3
4
5
6
7
9
10
9X7143
1
2
3
4
5
6
7
9
10
9X7144
CONN 65
24 PIN
892-PA4 BR-18
893-PA3 GN-18
E793-PA22 BU-18
E794-PA21 YL-18
113-PA5 OR-14
151-PA1 OR-14
151-PA136 OR-14
X998-PA111 BR-16
X998-P49 BR-16
X998-P46 BR-16
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
P-C25
3E3370
A
B
C
1
2
P-C27
3E3361
892-P34 BR-18
893-P37 GN-18
E793-P40 BU-18
E794-P43 YL-18
113-P55 OR-14
X998-P48 BR-18
X999-P7 GN-18
X998-P49 BR-16
X998-P46 BR-16
X999-P6 GN-18
F711-P146 GN-16
F712-P148 GY-16
A234-P150 BK-16
F711-PF4 GN-16
F712-PF5 GY-16
A234-PF6 BK-16
P-C9
3E3370
A
B
C
PF-C1
3E3367
A
B
C
CONN 69
892-P36 BR-18
893-P39 GN-18
E793-P42 BU-18
E794-P45 YL-18
113-P56 OR-14
F711-P146 GN-16
F712-P148 GY-16
A234-P150 BK-16
X999-P96 GN-18
CAN LINK -
MASTER ENG 1 SPEED SENSOR
KEY SWITCH ON
CAT DATA LINK -
CAN LINK +
CAT DATA LINK +
ATA DATA LINK -
ATA DATA LINK +
J1939 SHIELD GROUND (CAN)
FRONT ENGINE ECM
1328900
1
3
7
9
10
15
16
23
P-C3
1010204
39
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
X998-P49 BR-16
X998-P46 BR-16
113-P5 OR-14
113-P55 OR-14
113-P56 OR-14
X998-P48 BR-18
X999-P6 GN-18 X999-P96 GN-18
X999-P7 GN-18
892-PA30 BR-18
893-PA32 GN-18
E793-PA34 BU-18
E794-PA36 YL-18
113-PA38 OR-14
F711-PA41 YL-16
F712-PA42 GY-16
A234-PA43 BK-16
151-PA135 OR-14
151-PA2 OR-14
ATA DATA LINK +
ATA DATA LINK -
KEY SWITCH ON
CAN LINK +
CAT DATA LINK -
+ BATTERY
+ BATTERY
CAN LINK -
JI939 SHIELD GROUND (CAN)
CAT DATA LINK +
REAR ENGINE ECM
1328900
1
3
4
6
7
9
10
15
16
23
MASTER ENG 2 SPEED SENSOR39
PA-C1
1010204
892-PA4 BR-18
893-PA3 GN-18
E793-PA22 BU-18
E794-PA21 YL-18
113-PA5 OR-14
151-PA1 OR-14
151-PA136 OR-14
X998-PA111 BR-16
892-P4 BR-18
893-P3 GN-18
E793-P21 BU-18
E794-P20 YL-18
113-P5 OR-14
X900-PA146 YL-18
X996-PA142 GN-18
X998-PA156 BR-18
OR-18
BK-18
GROUND
+VS
SIGNAL
WH-18
MASTER REAR ENG SPEED SENSOR
1296628
PA-C24
3E3370
A
B
C
RENR2690
892-CN17 BR-18892-CN50 BR-18
893-CN16 GN-18893-CN48 GN-18
893-CN47 GN-18
893-CN47 GN-18
892-CN49 BR-18
892-CN49 BR-18
113-CN18 OR-16113-CN46 OR-16
113-CN46 OR-16
113-CN45 OR-16
113-CN45 OR-16
E793-CN36 BU-16E793-CN44 BU-16
E793-CN44 BU-16
E793-CN43 BU-16
E793-CN43 BU-16
E794-CN35 YL-16E794-CN42 YL-16
E794-CN42 YL-16
E794-CN41 YL-16
E794-CN41 YL-16
X721-CN52 BR-18
X721-CN52 BR-18
151-CN27 GN-14
151-CN33 GN-14
X717-CN40 YL-16
X717-CN40 YL-16
X720-CN39 GN-16
X720-CN39 GN-16
X809-CN55 OR-16
X809-CN55 OR-16
X998-CN23 BR-16
X998-CN23 BR-16
X800-CN19 OR-16
892-P4 BR-18
893-P3 GN-18
E793-P21 BU-18
E794-P20 YL-18
113-P5 OR-14
E793-PA22 BU-18
E794-PA21 YL-18
113-PA5 OR-14
X912-CN22 GN-16
X912-CN22 GN-16
X721-PA149 BR-18
X717-PA155 YL-16
X720-PA154 GN-16
X809-PA150 OR-16
X800-PA147 OR-16
X998-PA111 BR-16
X912-PA151 GN-16
7
8
23
25
28
33
34
37
40
5
6
7
33
34
CN-C4
3E6287
5
6
7
33
34
P-C5
1130581
7
8
9
23
25
28
33
34
37
40
892-CN50 BR-18
893-CN48 GN-18
151-CN27 GN-14
151-CN33 GN-14
892-PA4 BR-18
893-PA3 GN-18
151-PA1 OR-14
151-PA136 OR-14
1
3
5
6
CN-C3
3E6286
1
3
5
6
PA-C30
1130580
CONN 55
40 PIN
CONN 57
40 PIN
X800-CN19 OR-16
X720-K11 GN-16
X998-K10 BR-16
X717-K9 YL-16
X998-J177 BR-16
X717-J350 YL-16
X720-J351 GN-16
9
K-C1
1130580
7
9
15
J-C10
3E6286
CONN 35
40 PIN
R982-K41 YL-16
614-K55 PU-16
614-K57 PU-16
X720-K11 GN-16
X717-K9 YL-16
X998-K64 BR-16
X998-K65 BR-16
R982-K40 YL-16
R982-K40 YL-16
X998-K65 BR-16
THROTTLE BACKUP SW
1701302
3
2
START AID SW
1701303
3
2
A
B
1
2
3
4
5
6
C
D
K-C5
3E7996
A
B
1
2
3
4
5
6
C
D
K-C6
3E7996
X998-J114 BR-16
X998-J404 BR-18
X998-J176 BR-16
16
17
18
E793-J234 BU-16
E794-J235 YL-16
12
13
DIAGNOSTIC CONN
E793-N20 BU-16
E794-N21 YL-16
H
J
N-C8
9W1951
CONN 20
9 PIN
113-J334 OR-16
151-J270 GN-14
151-J271 GN-14
JUNCTION BLOCK
J-C87
1153082
21 TERM
21 TERM
15A
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
E-C1
9X0146
CONN 23
24 PIN
J-C14
7X6222
151-E37 GN-14 151-J272 GN-14
66
101-CK7 RD-10
101-EV1 RD-10
ADEM REAR BREAKER
6T3643
13
14
15
X809-A41 BU-14 X809-J260 BU-14
X998-A37 BR-16 X998-J301 BR-16
A-C1
CONN 29
40 PIN
3E6286
33
10
J-C15
1130580
127-A33 RD-14
X337-A42 WH-14
X809-A41 BU-14
X998-A37 BR-16
PRELUBE RELAY
3E5239
87a
87
85
86
30
A-C6
9X1054
1
5
2
4
3
X998-J162 BR-16
X998-J177 BR-16
X800-J161 OR-16
X912-J163 GN-16
X998-J301 BR-16
X998-J176 BR-16
RD
BK
SIGNAL
GROUND
+BATTERY
WH
THROTTLE POS SENSOR
176-1602
J-C39
1698670
A
B
C
X721-J405 BR-18
USER DEFINED
ENG SHUTDOWN
X998-J404 BR-18
1
2
J-C2
CONN 78
3E3364
N-C2
7X6222
CONN 17
24 PIN
J-C41
9X0146
JUNCTION BLOCK
21 TERM
J-C89
1153082
RENR2680
892-CN17 BR-18
893-CN16 GN-18
113-CN18 OR-16
E793-CN36 BU-16
E794-CN35 YL-16
X721-CN52 BR-18
X809-CN55 OR-16
X912-CN22 GN-16
151-CN27 GN-14
151-CN33 GN-14
X717-CN40 YL-16
X720-CN39 GN-16
X998-CN23 BR-16
X800-CN19 OR-16
5
6
7
8
9
13
15
16
21
28
33
34
37
40
CN-C2
9X7147
CONN 8
40 PIN
X809-J260 BU-14
E793-J234 BU-16
E794-J235 YL-16
X800-J161 OR-16
X912-J163 GN-16
X717-J350 YL-16
X720-J351 GN-16
X721-J405 BR-18
893-J183 GN-18
892-J179 BR-18
151-J271 GN-14
151-J270 GN-14
113-J334 OR-16
X998-J114 BR-16
J-C50
8N1517
RENR2681
RENR2683
RENR2684
RENR2684
RENR2683
MASTER ENGINE CONTROL CIRCUIT
RENR2691
797 TRUCK
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
