Cat Electrical 7797 Truck Chassis Control Electrical Circuit System Schematic Manual - PDF DOWNLOAD

RENR2687 November 2000

797 Truck Chassis Control Electrical Circuit 5YW1-UP

©2000 Caterpillar All Rights Reserved

Printed in U.S.A.

CAB CONTROL STATE UNUSED UNUSED XMSN CONTROL STATE ALTERNATOR 2 R-TERM CAN(LOW) CDLCDL+ INSTRUMENT RETURN UNUSED +8V POWER SUPPLY SENSOR RETURN UNUSED UNUSED UNUSED UNUSED UNUSED CAN(HIGH) CAN(SHIELD) ECM LOCATION CODE 0 ECM LOCATION CODE 1 ECM LOCATION CODE 2 ECM LOCATION CODE 3 UNUSED BODY POSITION SENSOR UNUSED UNUSED SHIFT LEVER 5 SHIFT LEVER GROUND VERIFY UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED SHIFT LEVER 1 SHIFT LEVER 2 SHIFT LEVER 3 SHIFT LEVER 4 UNUSED UNUSED UNUSED UNUSED HOIST SCREEN BYPASS SW UNUSED UNUSED UNUSED UNUSED HOIST PRESSURE SENSOR 2 HOIST PRESSURE SENSOR 1 HOIST LEVER SENSOR UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED KEY SWITCH UNUSED CANE LEVER SENSOR UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED + BATTERY - BATTERY HOIST CT HEAD BODY UP SOL HOIST PC HEAD BODY UP SOL UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED PROP RET 17-20 PROP RET 13-16 UNUSED UNUSED HOIST CT ROD BODY DN SOL HOIST PC ROD BODY DN SOL PROP RET 21-25 UNUSED UNUSED UNUSED - BATTERY + BATTERY HOIST PUMP BYPASS 1 HOIST PUMP BYPASS 2 UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED GEAR SELECT STATE UNUSED UNUSED ON/OFF RET 1-4 UNUSED KEY SWITCH OFF KEY SWITCH START BODY UP DASH LAMP UNUSED UNUSED UNUSED HOIST PILOT SOLENOID ACCUM BLEED RELAY - BATTERY + BATTERY UNUSED PROP RET 5-8 UNUSED UNUSED PROP RET 1-4 UNUSED UNUSED BACK ALARM/LIGHT - BATTERY + BATTERY UNUSED PROP RET 9-12 UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED UNUSED START RELAY - BATTERY + BATTERY

J-C32 1471446 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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70

CONN 35 40 PIN J-C10 K-C1 3E6286 1130580

J881-J96 YL-18 A495-J97 GY-16 F712-J91 GY-18 892-J98 BR-18 893-J165 GN-18 J878-J186 YL-18

21 16 37 39

H430-J425 BU-16 H863-J432 BU-16 326-J423 PU-16 307-J424 OR-16 M996-J29PK-16

K-C9 1071984 H430-K21 BU-16 H863-K46 BU-16

H430-K21 BU-16 H863-K46 BU-16 326-K68 PU-16 307-K69 OR-16

AW-C4 3E3361 BODY UP IND LAMP 1631878

308-K67 326-K68 307-K69 105-K70

J879-J329 GN-18 RENR2680

YL PU OR BR

1 2 3 4

YL-16 PU-16 OR-16 RD-16

J-C38 1552264

J822-J93 WH-18

AJ-C9 3E3388

C OFF S ON B ST

1 2 3 4 5 6 7 8 714-AJ43 YL-18 9 715-AJ44 GN-18 10 AJ-C3 9W3089 J879-AJ2 GN-18

CONN 34 8 PIN

715-J89 GN-16 716-J39 BU-16 CONN 15 24 PIN CF-C4 1471446

XMSN CONTROL 1588618 711-J46 712-J86 713-J87 714-J88

BR-16 WH-16 OR-16 YL-16

1 4 16

XMSN CONTROL STATE CAB CONTROL STATE GEAR SELECT STATE

J-C60 9X0146

CF-C5 7X6222 J881-CF21 YL-18 J882-CF49 BR-18 J883-CF50 BU-18

16 17 18

J881-J96 YL-18 J882-J95 BR-18 J883-J421 BU-18

J-C69 1552273

M996-AJ30 PK-16 J879-AJ39 GN-18

CONN 32 6 PIN

GROUND VERIFY GROUND LEVER 1 LEVER 2 LEVER 3 +V UNUSED LEVER 4 LEVER 5 NEUTRAL

J879-AJ28 GN-18 M996-AJ30 PK-16

J879-AJ28 GN-18

A B C

H865-J448 BR-18 H864-J413 GN-18

J827-J415 GN-18 J828-J416 BU-18

A274-J417 BK-14 173-J418 RD-16 J829-J419 OR-18 J830-J420 BR-18

1 2

J826-AW34 PK-16 H864-AW35 GN-16

WH-16 WH-16

HOIST PILOT SYS SOL 1128198

AW-C8 3E3361

1 2

J829-AW36 OR-16 H864-AW37 GN-16

HOIST PUMP BYPASS SOL 1 1482350

AW-C10 3E3361

1 2

J830-AW38 BR-16 H864-AW39 GN-16

HOIST PUMP BYPASS SOL 2 1482350

AW-C11 3E3361 AW-C14 3E3367

A B C

F711-J90 GN-18 F712-J91 GY-18 A234-J94 BK-18 893-J165 GN-18 892-J98 BR-18

173-J158 RD-16 A274-J233 BK-14 J824-J348 GY-18 J825-J453 PU-18

HOIST ROD END PC SOL 1482350

AW-C7 3E3361

H865-AW33 BR-16 H864-AW35 GN-16 J830-AW38 BR-16 J829-AW36 OR-16 J826-AW34 PK-16 J828-AW32 BU-16 H865-AW27 BR-16 J825-AW28 PU-16 J824-AW26 GY-16 H864-AW39 GN-16 H864-AW37 GN-16 H865-AW31 BR-16 H865-AW29 BR-16 J827-AW30 GN-16

+24V BK GROUND WH SIGNAL HOIST LEVER POS SENSOR 1618937

NOTE: SENSOR NOT INSTALLED

J-C30 3E3370

113-J92 OR-18

HOIST ROD END CT SOL 1482350

1 2

J828-AW32 BU-16 H865-AW33 BR-16 XMSN CANE POS SENSOR 1267896

A492-J363 OR-18

J820-J397 OR-18 J821-J24 BR-18 M996-J29 PK-16

1 2

AW-C6 3E3361

AJ-C8 1042921

AJ-C7 3E3382 1 5

M996-J29 PK-16 J879-J440 GN-18

J827-AW30 GN-16 H865-AW31 BR-16

KEY START SW 1107887

716-AJ5 BU-18 J879-AJ2 GN-18 711-AJ40 BR-18 712-AJ41 WH-18 713-AJ42 OR-18

1 2 3 4 5 6

716-J39 BU-16 711-J46 BR-16 712-J86 WH-16 713-J87 OR-16 714-J88 YL-16 715-J89 GN-16 J879-J440 GN-18

HOIST HEAD END PC SOL 1482350

AW-C5 3E3361

R

K-C19 1552272 F711-J90 GN-18 A234-J94 BK-18 J878-J186 YL-18

1 2

J825-AW28 PU-16 H865-AW29 BR-16 RENR2680

308-K67 YL-16

HOIST HEAD END CT SOL 1482350

1 2

J824-AW26 GY-16 H865-AW27 BR-16

J882-J95 BR-18

c

CHASSIS CONTROL 1499994

FUTURE CAN LINK

RENR2680

113-AW3 OR-16 J879-AW4 GN-16 J821-AW5 BR-16

J879-AW45 GN-16 J879-AW4 GN-16 J879-AW7 GN-16 H865-AW29 BR-16 H865-AW27 BR-16 H865-AW31 BR-16 H865-AW33 BR-16 H864-AW37 GN-16 H864-AW35 GN-16 H864-AW39 GN-16

AW-C15 3E3367 NOTE: SENSOR NOT INSTALLED

J883-J421 BU-18 J882-J95 BR-18 J881-J96 YL-18

RENR2683

M996-J29 PK-16 307-J424 OR-16 326-J423 PU-16 H430-J425 BU-16 H863-J432 BU-16

H867-J422 YL-16 A495-J97 GY-16 715-J89 GN-16 713-J87 OR-16 716-J39 BU-16 711-J46 BR-16 712-J86 WH-16 714-J88 YL-16 A492-J363 OR-18 J820-J397 OR-18 J821-J24 BR-18 J824-J348 GY-18 J825-J453 PU-18 J826-J414 PK-18 J827-J415 GN-18 J828-J416 BU-18 J829-J419 OR-18 J830-J420 BR-18 J822-J93 WH-18

307-J424 OR-16 326-J423 PU-16 H430-J425 BU-16 H863-J432 BU-16 M996-J29 PK-16 J883-J421 BU-18 J882-J95 BR-18 J881-J96 YL-18 113-J92 OR-18 H864-J413 GN-18 H865-J448 BR-18 A274-J434 BK-14 A274-J430 BK-14 A274-J427 BK-14 A274-J417 BK-14 A274-J233 BK-14 173-J435 RD-16 173-J428 RD-16 173-J418 RD-16 173-J158 RD-16 173-J431 RD-16 J879-J329 GN-18

A B C

714-J88 YL-16 716-J39 BU-16 711-J46 BR-16 712-J86 WH-16 713-J87 OR-16 715-J89 GN-16 J879-J440 GN-18

HOIST SCREEN SW 1 1694077 A C

CONN 22 12 PIN J-C13 E-C2 8N1519 8N1520 10 173-J436 RD-12 173-E36 RD-12

RENR2680

101-EK1 RD-10

20A

A

38

9X7147 9X7148 CN-C2 J-C51 CONN 8 40 PIN

GY-16 A495-CN54

38

GY-18 A495-P25

R

C 110-P27 RD-4

+

P-C5 CN-C4 3E6287 1130581 CONN 57 40 PIN

B

A492-AH3 OR-16 G427-AH1BU-16

RENR2680

113-AW6 OR-16 J879-AW7 GN-16 J820-AW8 OR-16

AH-C11 1042921 A B C

5 6

A492-AW44 OR-16 J879-AW45 GN-16

16 17 18 19 20 21 22 23 24 25 26 27 32

A492-J363 OR-18 J820-J397 OR-18 J821-J24 BR-18 J824-J348 GY-18 J825-J453 PU-18 H865-J448 BR-18 H864-J413 GN-18 J826-J414 PK-18 J827-J415 GN-18 J828-J416 BU-18 J829-J419 OR-18 J830-J420 BR-18 J879-J441 GN-18

AH-C12 1042921 A B C

J879-AH2 GN-16

RENR2680

113-V2 OR-16 113-V1 OR-16

RENR2680 HOIST SCREEN FILTER GP 172-2396

ALTERNATOR 2 3E7577

A492-AW44 OR-16 J820-AW8 OR-16 J821-AW5 BR-16 J824-AW26 GY-16 J825-AW28 PU-16 H865-AW63 BR-16 H864-AW64 GN-16 J826-AW34 PK-16 J827-AW30 GN-16 J828-AW32 BU-16 J829-AW36 OR-16 J830-AW38 BR-16 J879-AW58 GN-16

H864-AW64 GN-16 J830-AW38 BR-16 J828-AW32 BU-16 J821-AW5 BR-16 J824-AW26 GY-16 J825-AW28 PU-16 J827-AW30 GN-16 J826-AW34 PK-16 J820-AW8 OR-16 A492-AW44 OR-16 J829-AW36 OR-16

AH-C1 AW-C21 9X0145 7X6222 A492-AH3 OR-16 J879-AH2 GN-16

CONN 1 40 PIN J-C45 AW-C20 9X7148 9X7147

H865-AW63 BR-16

CONN 82 24 PIN

HOIST SCREEN SW 2 1694077

CHASSIS CONTROL BREAKER 6T3644

ALT GY-16 A495-J97

J822-J93 WH-18 J828-J416 BU-18 J827-J415 GN-18 J879-J442 GN-18 J825-J453 PU-18 A492-J363 OR-18 J820-J397 OR-18 H865-J448 BR-18 H864-J413 GN-18 J821-J24 BR-18 J824-J348 GY-18 J879-J441 GN-18 J826-J414 PK-18 J829-J419 OR-18 J830-J420 BR-18

B

A B C

J879-AW58 GN-16

HOIST POS SENSOR 1377601 BU-18 A RD C WH-18 WH B OR-18 BK

PWM BUFFER 1707663 POT A +BATTERY POT C SIGNAL POT B GROUND

113-V3 OR-16 V-C11 3E3367

RD-18 BK-18 YL-18

A B C

113-V41 OR-16 J879-V42 GN-16 J822-V43 WH-16

RENR2680 CH-C1 CH-C3 V-C1 9X0141 9X0145 7X6222 13 16 J879-CH17 GN-16 17 1 J822-CH18 WH-18 CONN 66 24 PIN

J-C42 9X1343 J879-J442 GN-18 J822-J93 WH-18

CONN 3 40 PIN

H867-J422 YL-16 A274-J417 A274-J233 A274-J434 A274-J430 A274-J427

173-J436 RD-12

J879-J440 GN-18 J879-J441 GN-18 J879-J442 GN-18

BK-14 BK-14 BK-14 BK-14 BK-14

113-J92 OR-18

Media Number

J883-J421 BU-18

H867-J422 YL-16 326-J423 PU-16 307-J424 OR-16 H430-J425 BU-16

J826-J414 PK-18 H809-J426 YL-16 A274-J427 BK-14 173-J428 RD-16

H809-J426 YL-16 321-J429 BR-16

J-C89 1153082

301-J433 BU-16

JUNCTION BLOCK 21 TERM

7 6 3 2 1 5 4 8 9

113-J164 OR-18 113-J92 OR-18 113-J327 OR-18 113-J150 OR-18 113-J36 OR-16 113-J14 OR-18

RENR2680

113-J266 OR-18

RENR2680

RENR2680

J-C88 1153082

321-J429 BR-16 A274-J430 BK-14 173-J431 RD-16 H863-J432 BU-16

JUNCTION BLOCK 21 TERM

7 6 3 2 1 5 4 8 9 10 11 12

A274-J439 A274-J438 A274-J427 A274-J430 A274-J434 A274-J233 A274-J417

BK-14 BK-14 BK-14 BK-14 BK-14 BK-14 BK-14

H867-J422 YL-16 H867-J443 YL-16

RENR2680

CONN 4 40 PIN J-C47 AN-C19 9X1343 9X0141 H867-J444 YL-16 301-J433 BU-16

12 36

AN-C7 7N9738

H867-AN91 YL-16 301-AN90 BU-16

301-J433 BU-16 A274-J434 BK-14 173-J435 RD-16 J-C34 1607690

2 1

AIR START SOL 5T4434 GN GN

CONN 29 40 PIN H867-J443 YL-16 H809-J426 YL-16 321-J429 BR-16

H867-A65 YL-16 35 H809-A64 YL-16 34 321-A59 BR-16 30 1130580 3E6286 J-C15 A-C1

STEERING BRAKE BLEED RELAY 3E5239 9X1054 3 A-C13 87a 4 85 87 H867-A60 YL-16 2 H809-A64 YL-16 5 86 30 1 9X1054 A-C12 H867-A16 YL-16 321-A59 BR-16

3 4 2 5 1

85

87a 87

86

30

BACKUP ALARM LIGHT RELAY 3E5239

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

RENR2687 797 TRUCK CHASSIS CONTROL CIRCUIT