Cat Electrical 797 Truck Master Engine Control Electrical System Schematic Manual - PDF DOWNLOAD

RENR2691 November 2000

797 Truck Master Engine Control Electrical Circuit 5YW1-UP

©2000 Caterpillar All Rights Reserved

Printed in U.S.A.

PRELUBE RELAY 3E5239 30

86

87 87a

85

1 5 2 4 3

127-A33 RD-14 X809-A41 BU-14 X998-A37 BR-16 X337-A42 WH-14

RENR2680 X809-A41 BU-14 X998-A37 BR-16 RENR2681

A-C1 J-C15 3E6286 1130580 10 X809-J260 BU-14 33 X998-J301 BR-16 CONN 29 40 PIN

X998-J301 BR-16

J-C39 1698670

A-C6 9X1054

X800-J161 OR-16 X998-J162 BR-16 X912-J163 GN-16

X998-J176 BR-16

21 TERM JUNCTION BLOCK J-C89 1153082 16 18 17

PA-C27 3E6287

X900-PA145 YL-16

X800-PA147 OR-16

+V TIMING UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED SENSOR POWER +8V +VS SENSOR MASTER ENGINE #2 SPEED SENSOR 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 X996-PA144 GN-18

F712-PA140 GY-16

X912-PA151 GN-16

F711-PA139 GN-16 X809-PA150 OR-16

X998-PA113 BR-16

A234-PA141 BK-16

X999-PA126 GN-18 X721-PA149 BR-18 X717-PA155 YL-16

892-PA128 BR-18 151-PA134 OR-14 229-PA137 BK-14 113-PA138 OR-14 E794-PA133 YL-18 X412-PA129 BU-18 893-PA127 GN-18

E793-PA132 BU-18

PA-C16 3E6286

X720-PA154 GN-16

ATA DATA LINK UNUSED CAT DATA LINK +BATTERY (UNSWITCHED) -BATTERY KEY SWITCH ON (MAIN POWER) ATA DATA LINK + COOLANT FLOW SW CAT DATA LINK + UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED MASTER ENG 1 SPEED SENSOR USER DEFINED SHUTDOWN THROTTLE BYPASS UNUSED UNUSED UNUSED START AID SWITCH UNUSED J1939 SHIELD GROUND (CAN) UNUSED UNUSED DIGITAL SENSOR RETURN UNUSED UNUSED UNUSED CAN LINK + PRELUBE RELAY UNUSED UNUSED THROTTLE POSITION SENSOR UNUSED CAN LINK 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

ENGINE ECM MASTER 1153055

A B C

RD +BATTERY BK GROUND WH SIGNAL THROTTLE POS SENSOR 176-1602

X998-J177 BR-16 21 TERM JUNCTION BLOCK J-C90 1153082

X998-J176 BR-16 X998-J404 BR-18 X998-J114 BR-16

7 6 3 2 1 5 4 8 9

229-PA137 BK-14

ENG BLOCK GROUND 2

9X7144

1 2 3 4 5 6 7 9 10

892-P34 BR-18 113-P55 OR-14 X412-P97 BU-18 X996-P136 GN-18 E793-P40 BU-18 E794-P43 YL-18 893-P37 GN-18 X999-P7 GN-18 X998-P48 BR-18

X412-P97 BU-18 X996-P136 GN-18 X999-P7 GN-18 113-P55 OR-14 X998-P48 BR-18 E793-P40 BU-18 E794-P43 YL-18 892-P34 BR-18 893-P37 GN-18 TWISTED WIRES

F711-PA139 GN-16 F712-PA140 GY-16 A234-PA141 BK-16 113-PA138 OR-14 E794-PA133 YL-18 E793-PA132 BU-18 893-PA127 GN-18 892-PA128 BR-18 151-PA134 OR-14 X996-PA144 GN-18 X900-PA145 YL-16 X998-PA113 BR-16 YL-16 BR-18 OR-16 OR-16 GN-16 GN-16

PA-C43 PF-C3 3E3370 3E3367 CONN 64 A F711-PA139 GN-16 F711-PF7 GN-16 B F712-PA140 GY-16 F712-PF8 GY-16 C A234-PA141 BK-16 A234-PF9 BK-16 F711-PA41 YL-16 F712-PA42 GY-16 A234-PA43 BK-16

A B C

F711-PF4 GN-16 F712-PF5 GY-16 A234-PF6 BK-16

CONN 63 PF-C2 PA-C28 3E3370 3E3367

X998-PA111 BR-16 892-PA4 BR-18 113-PA5 OR-14 893-PA3 GN-18 151-PA136 OR-14 151-PA1 OR-14 E793-PA22 BU-18 E794-PA21 YL-18

+VS GROUND SIGNAL

PA-C24 3E3370 OR-18 A BK-18 B WH-18 C

MASTER REAR ENG SPEED SENSOR 1296628

E794-PA35 YL-18 E793-PA33 BU-18 892-PA29 BR-18 893-PA31 GN-18 113-PA37 OR-14 X996-PA143 GN-18 X998-PA148 BR-16 X996-PA142 GN-18 X998-PA156 BR-18 X900-PA146 YL-18

X998-PA111 BR-16 X998-PA113 BR-16 X998-PA148 BR-16 X998-PA156 BR-18 892-PA128 BR-18 892-PA29 BR-18 892-PA4 BR-18 893-PA127 GN-18 893-PA31 GN-18 893-PA3 GN-18 E793-PA132 BU-18 E793-PA33 BU-18 E793-PA22 BU-18 E794-PA133 YL-18 E794-PA35 YL-18 E794-PA21 YL-18 113-PA138 OR-14 113-PA37 OR-14 113-PA5 OR-14 151-PA134 OR-14 151-PA1 OR-14 151-PA136 OR-14 X996-PA142 GN-18 X996-PA143 GN-18 X996-PA144 GN-18 X900-PA145 YL-16 X900-PA146 YL-18

PA-C1 1010204

E793-PA34 BU-18

E794-PA36 YL-18

113-PA38 OR-14

151-PA135 OR-14 151-PA2 OR-14

X900-PA112 YL-18

E793-PA34 BU-18 892-PA30 BR-18 151-PA2 OR-14 151-PA135 OR-14 E794-PA36 YL-18 893-PA32 GN-18 F712-PA42 GY-16 A234-PA43 BK-16 F711-PA41 YL-16 113-PA38 OR-14 X900-PA112 YL-18

1 3 4 6 7 9 10 15 16 23 39

CONN 23 24 PIN

E-C1 9X0146

J-C41 N-C2 9X0146 7X6222 CONN 17 24 PIN

101-CK7 RD-10 15A 101-EV1 RD-10 ADEM REAR BREAKER 6T3643

RENR2680

E794-CN35 YL-16 E793-CN36 BU-16 J-C10 3E6286

113-CN18 OR-16

X998-J177 BR-16 X720-J351 GN-16 X717-J350 YL-16

893-CN16 GN-18 892-CN17 BR-18

K-C1 1130580 15 9 7

K-C5 3E7996 RENR2684

614-K57 PU-16 R982-K40 YL-16

X998-K10 BR-16 X720-K11 GN-16 X717-K9 YL-16

X717-K9 YL-16 X998-K64 BR-16

CONN 35 40 PIN

RENR2684

P-C3 1010204

E793-P42 BU-18 E794-P45 YL-18

113-P56 OR-14 X999-P96 GN-18

P-C9 3E3370

A F711-P146 GN-16 B F712-P148 GY-16 C A234-P150 BK-16 CONN 69

REAR ENGINE ECM 1328900 ATA DATA LINK CAT DATA LINK + BATTERY + BATTERY ATA DATA LINK + CAT DATA LINK + CAN LINK JI939 SHIELD GROUND (CAN) CAN LINK + KEY SWITCH ON MASTER ENG 2 SPEED SENSOR

614-K55 PU-16 R982-K40 YL-16 R982-K41 YL-16 X720-K11 GN-16 X998-K65 BR-16

RENR2683

893-P39 GN-18

892-PA30 BR-18

893-PA32 GN-18

E794-N21 YL-16 E793-N20 BU-16

892-P36 BR-18

PF-C1 3E3367

F711-PF1 GN-16 F712-PF2 GY-16 A234-PF3 BK-16

X912-CN22 GN-16 X800-CN19 OR-16 X998-CN23 BR-16 X721-CN52 BR-18 151-CN27 GN-14 151-CN33 GN-14 X809-CN55 OR-16 X720-CN39 GN-16 X717-CN40 YL-16 E794-CN41 YL-16 E794-CN42 YL-16 E793-CN43 BU-16 E793-CN44 BU-16 113-CN45 OR-16 113-CN46 OR-16 893-CN47 GN-18 893-CN48 GN-18 892-CN49 BR-18 892-CN50 BR-18

12 13

N-C8 9W1951 DIAGNOSTIC CONN J H CONN 20 9 PIN

21 TERM JUNCTION BLOCK J-C87 1153082

13 14 15

A B 1 2 3 4 5 6 C D

2 3

THROTTLE BACKUP SW 1701302

K-C6 3E7996

892-P34 BR-18 892-P4 BR-18 893-P37 GN-18 893-P3 GN-18 E793-P40 BU-18 E793-P21 BU-18 E794-P43 YL-18 E794-P20 YL-18 X998-P46 BR-16 X998-P48 BR-18 X998-P49 BR-16 113-P55 OR-14 113-P5 OR-14 X999-P6 GN-18 X999-P7 GN-18

X998-PA111 BR-16 892-PA4 BR-18 893-PA3 GN-18 E794-PA21 YL-18 E793-PA22 BU-18 151-PA136 OR-14 113-PA5 OR-14 151-PA1 OR-14

X998-PA113 BR-16 X900-PA145 YL-16 X996-PA144 GN-18 113-PA138 OR-14 151-PA134 OR-14 E794-PA133 YL-18 E793-PA132 BU-18 893-PA127 GN-18 892-PA128 BR-18

J-C14 7X6222

E794-J235 YL-16 E793-J234 BU-16

CONN 55 PA-C30 40 PIN CN-C3 1130580 3E6286 1 151-PA1 OR-14 151-CN27 GN-14 3 151-PA136 OR-14 151-CN33 GN-14 5 893-PA3 GN-18 893-CN48 GN-18 6 892-PA4 BR-18 892-CN50 BR-18 7 113-PA5 OR-14 113-CN46 OR-16 8 X800-PA147 OR-16 X800-CN19 OR-16 9 X998-PA111 BR-16 X998-CN23 BR-16 23 X721-PA149 BR-18 X721-CN52 BR-18 25 X809-PA150 OR-16 X809-CN55 OR-16 28 X912-PA151 GN-16 X912-CN22 GN-16 33 E794-PA21 YL-18 E794-CN42 YL-16 34 E793-PA22 BU-18 E793-CN44 BU-16 37 X720-PA154 GN-16 X720-CN39 GN-16 40 X717-PA155 YL-16 X717-CN40 YL-16

CONN 65 24 PIN

X717-PA155 X721-PA149 X809-PA150 X800-PA147 X912-PA151 X720-PA154

CONN 8 40 PIN

893-CN47 GN-18 892-CN49 BR-18 113-CN45 OR-16 E794-CN41 YL-16 E793-CN43 BU-16

892-P4 BR-18 E794-P20 YL-18 893-P3 GN-18 113-P5 OR-14 E793-P21 BU-18

892-PA29 BR-18 113-PA37 OR-14 X412-PA129 BU-18 X996-PA143 GN-18 E793-PA33 BU-18 E794-PA35 YL-18 893-PA31 GN-18 X999-PA126 GN-18 X998-PA148 BR-16

X412-P97 BU-18 X998-P46 BR-16

X998-P46 BR-16 X999-P6 GN-18 X998-P49 BR-16

9X7143 113-PA37 OR-14 892-PA29 BR-18 X996-PA143 GN-18 E793-PA33 BU-18 E794-PA35 YL-18 893-PA31 GN-18 X998-PA148 BR-16 X999-PA126 GN-18 X412-PA129 BU-18

1 2

CONN 78 USER DEFINED 1 ENG SHUTDOWN 2 J-C2 3E3364 151-J270 GN-14 151-J271 GN-14

CONN 57 40 PIN

E794-P43 YL-18 X999-P7 GN-18 E793-P40 BU-18 893-P37 GN-18 892-P34 BR-18 113-P55 OR-14 X998-P48 BR-18

BK-18 BK-18

P-C27 3E3361

113-J334 OR-16 X998-J404 BR-18 X721-J405 BR-18

X998-K65 BR-16

ENG COOLANT FLOW SW 1383672

CN-C4 3E6287

5 6 7 33 34

893-P3 GN-18 892-P4 BR-18 113-P5 OR-14 E794-P20 YL-18 E793-P21 BU-18

RENR2680

RENR2683

6

P-C5 1130581

MASTER FRONT ENG SPEED SNSR P-C25 3E3370 1296628 OR-18 A +VS X996-P136 GN-18 BK-18 B GROUND X998-P49 BR-16 WH-18 C SIGNAL X999-P6 GN-18

893-J183 GN-18 892-J179 BR-18 113-J334 OR-16 X800-J161 OR-16 X998-J114 BR-16 X721-J405 BR-18 X912-J163 GN-16 X809-J260 BU-14 151-J270 GN-14 151-J271 GN-14 E794-J235 YL-16 E793-J234 BU-16 X720-J351 GN-16 X717-J350 YL-16

151-J272 GN-14

RENR2690

J-C50 8N1517 5 6 7 8 9 13 15 16 21 28 33 34 37 40

RENR2680

151-E37 GN-14

229-PA45 BK-14 229-PA44 BK-14

CN-C2 9X7147 893-CN16 GN-18 892-CN17 BR-18 113-CN18 OR-16 X800-CN19 OR-16 X998-CN23 BR-16 X721-CN52 BR-18 X912-CN22 GN-16 X809-CN55 OR-16 151-CN27 GN-14 151-CN33 GN-14 E794-CN35 YL-16 E793-CN36 BU-16 X720-CN39 GN-16 X717-CN40 YL-16

113-J15 OR-16 113-J387 OR-16 113-J374 OR-16 113-J127 OR-16 113-J333 OR-16 113-J249 OR-16 113-J334 OR-16 113-J265 OR-18 113-J266 OR-18

E793-P42 BU-18 892-P36 BR-18 E794-P45 YL-18 893-P39 GN-18 F712-P148 GY-16 A234-P150 BK-16 F711-P146 GN-16 113-P56 OR-14 X999-P96 GN-18

1 3 7 9 10 15 16 23 39

FRONT ENGINE ECM 1328900 ATA DATA LINK CAT DATA LINK ATA DATA LINK + CAT DATA LINK + CAN LINK J1939 SHIELD GROUND (CAN) CAN LINK + KEY SWITCH ON MASTER ENG 1 SPEED SENSOR

Media Number

A B 1 2 3 4 5 6 C D

2 3

START AID SW 1701303

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Schematic Tables and Symbol Definitions

RENR2691 797 TRUCK MASTER ENGINE CONTROL CIRCUIT