hitachi HL955A/HL955ATM — BAIC HL955A Service Manual & Electrical System Guide PDF Download (FR)

CN-196 FUEL HEATER A B 382 CN-128 1 G53B 2 AC COMP. 2.0 2.0 LW 2.0 2.0 2.0 G53 G53 B B 246 246 1610 LW 382 LW 382 1.25 Gr LOCK-UP PROPORTIONAL V/V SPEED SENSOR OUTPUT CD-17 CN-43 428 426 YW W 1 2 B W 1 2 810 820 CD-27(GRAY) CD-46 1 2 3 G V ROr 841 845 600 W 426 YW 428 600 ROr G 841 CN-04 13 14 15 16 428 YW 426 W 600 ROr 841 G TCU_AIP7(50) TCU_VPS2(53) FUSE_TCU TCU(04) K1 PRE-HEAT RY VMGA1-GROUND_BRAKE PEDAL AU1-+5V SUPPLY_BRAKE PEDAL EU1-SIGNAL SENSOR_BRAKE PEDAL ADM4-REVERSE DRIVE RY(-) AIP7 5 SPEED & LOCK-UP ADM5-RY RIDE CONT.(-) ADM6-RY DIFF LOCK(-) ED15-JOYSTICK SELLECTER(+) VPS2-RIDE CONT.

RY(+) VPS2 ADM2-JOYSTICK SELECT LAMP(-) ED13-REV-JOYSTICK ED12-NEU-JOYSTICK ED8-FWD-JOYSTICK ED6-SHIFT LEVER X2D-NEU ED1-SHIFT LEVER X1C-B1 ED5-SHIFT LEVER X2C-REV ED2-SHIFT LEVER X1B-B2 ED7-SHIFT LEVER-X1D-KD ED4-SHIFT LEVER X2B-FWD ED3-SHIFT LEVER-X1A-B3 VMGA2-GEAR BOX TEMP(COM) AIP6-GEAR BOX Y6 AIP4-GEAR BOX Y4 AIP1-GEAR BOX Y1 AIP5-GEAR BOX Y5 AIP2-GEAR BOX Y2 ER1-GEAR BOX TEMP VPS1-GEAR BOX VPS1(+) ER3-SW FILTER RESTRICTION ER2-SENSOR TEMP CONVERTER AIP3-GEAR BOX Y3 VMG2-SPEED SENSOR OUTPUT EF3-SPEED PICK-UP GEAR EF4-SPEED SENSOR(SIG) VPS1-GEAR BOX VPS1(+) 27 61 EF2-SPEED PICK-UP TURBIN VMG1-SPEED PICK-UP COM EF1-SPEED PICK-UP ENG CANF_T 54 58 60 VPE1-CONTINUANCE 24V VPE2-CONTINUANCE 24V VPI-POWER IG 34 35 40 47 48 SD4-SPEED METER CLUSTER CANF_H CANF_L VGS-CAN SHIELD ----- TCU ----- ADM1-START INTERLOCK RY(-) ED10-PARKING BRAKE SW(+) ED9 DIFF.

LOCK SWITCH ED11 14 16 6 SDDK-DIAGNOSTIC EUPR-DIAGNOSTIC VM1-GND VM2-GND AC RELAY CN-157 AD7 AD6 AS AD5 AD4 V B3 AD3 AD2 B2 B1 AD1 ED VP VM R 4 3 2 1 4 3 2 1 4 3 2 1 N R F OUTPUT SIGNAL 111 111 SHIFT LEVER X2 AD5(R) C 20A 37 Supply voltage Supply voltage D K 1 47 48 49 50 RW RW 914 914 914 K8 111 103 111 210 ROr CN-39 12V CONVERTOR 20A Supply voltage Supply voltage Ground RW RW 914 914 951 B 951 EARTH1 E3 270 111 260 370 370 280 209 190 180 150 230 130 120 260 210 111 1619 G Y Y RW R CIGARLIGHTER AAVM 35 30A 36 10A LEVER SIGNAL - AUX PRI LEVER SIGNAL - BUCKET SEC LEVER SIGNAL - AUX SEC Supply voltage 26 25 24 23 19 18 2 RW 914 Y L LW GW YW GR 914 907 908 B3 B3 E5 E5 414 280 300 2 FUEL WARMER 1 FUEL WARMER 2 HEAT MIRROR SPARE 20A 20A 20A 30A 34 31 32 33 LEVER SIGNAL - BUCKET PRI LEVER SIGNAL - BOOM PRI LEVER SIGNAL - BOOM SEC 923 924 919 918 B3 A1 A2 D6 C5 C5 154 120 2 2 2 Or G Or L GW WR AIR-CON/HEATER 1 HEAD LAMP ILL.LAMP 20A 10A 30A 20A 27 28 29 30 DIN _SAFETY SWITCH SIGNAL SENSOR POWER GROUND - 915 13 RCV SELECT, 5V=JOYSTICK 5V DC SENSOR POWER + 12 AUX HOLD 11 9 8 ROr Or Br 452 WL 912 909 CN-38 BEACON 20A 10A 25 26 G 882 L 881 Y 880 PVES SIGNAL 39 PVES ERROR 29 PVES SPOOL POSITION 28 904 R B5 A5 B5 B5 134 Y RW 142 Y 140 2 Y 140 30 86 87 85 87a 86 87a 85 87 WORK LAMP RY REAR · ELECTRICAL CIRCUIT (2/3, machine serial No.

HL955A: ~#0188 / HL955A TM: ~#0016) ELECTRICAL CIRCUIT (2/3, machine serial No. HL955A: ~#0188 / HL955A TM:

~#0016) ----- EH CONTROLLER ----- 34 35 36 37 CAN2 H CAN2 L 20 21 Y L 791 790 995 792 A2 290 GW 130 2 CR-55 30 86 87 85 87a 86 87a 30 85 87 R 34 6 1.6V DC POWER SOURCE 7 3.3V DC POWER SOURCE CAN1 H CAN1 L 3 4 473 L OrW 474 L Y 993 994 B1 B1 132 142 W 132 144 GW V 30 WORK LAMP RY FRONT 22 30 31 32 PWM _AUX DOWN PWM _AUX UP NC_PWMOUT 42 41 40 L Y 951 955 957 170 914 A3 C4 740 L L 230 2 230 CR-03 30 86 87 85 87a 86 87a 85 87 R 33 PWM _BUCKET DUMP PWM _BUCKET IN 43 44 Y L 952 954 464 D6 K6 246 382 K4 K4 Gr V 238 246 238 CR-07 30 R 30 DIN _OP SWITCH(COM) DIN _LH LEVER TILT SW(COM) 5 15 PWM _BOOM DOWN PWM _BOOM UP 14 10 45 46 475 W Or L 948 Y 950 216 376 374 RW 375 373 374 376 GOr Y 30 86 87 85 87a 86 87a 85 87 EHI SAFETY SOLENOID 913 GrW 17 BUCKET DETENT 922 VBr 16 BOOM DETENT 34 38 C2 C2 C2 375 K5 CR-36 30 R 36 BACK PRESSURE SOLENOID EHI PVED POWER 40 487 OrW YG L 466 488 C1 C1 144 134 Y 370 2.0 L 380 2.0 LW 382 370 Y 30 86 87 85 87a 86 87a 85 87 FUEL WARMER RY 27 P/SENSOR SIGNAL EH-23 ROr 492 496 914 380 153 181 CR-46 30 86 87 85 87a 86 30 R 29 STOP LAMP RY DRIVING RELAY ILL RY FUSE & RELAY BOX2 - OUTSIDE LH LEVER TILT SW(COM) 475 216 NC OP SWITCH(COM) Power(+) 3 4 5 12 8 9 2 W Or R 464 G02 LOr 201 Or 190 204 GW B 87a 30 85 87 **NOT APPLICABLE TO HL930A JOYSTIC STTERING CAN1_H CAN1_L CAN_Shield Y L B 995 994 993 180 180 180 L YOr G G R 35 CR-63 30 86 87 85 87a 86 87a 85 87 473 474 6 7 NO(3.3V) NC(1.6V) Power(-) 1 L OrW G18 B A1 EARTH1 B7 182 182 181 R 32 CR-211 30 CN-18 170 350 343 150 150 G LOr Or Or 30 86 87 85 87a 86 87a 85 87 153 154 CR-210 30 R 31 B G21B GW YOr 418 170B BW BW 423 OrW 422 G21B B Or 170B 340C 340B ROr ROr RW 340A Y LW 350 352 B G21B 170 Or RW 914 ROr 340 GrW 343 R 904 A2 E7 E9 REAR ONLY 3 2 5 1 4 2 4 1 5 SPARE CS-105 7 1 8 3 7 2 1 6 5 4 10 3 9 7 8 CS-17 8 7 7 8 4 5 6 5 2 1 2 6 1 4 CS-04 8 7 7 8 4 5 6 2 1 2 4 5 1 A1 A2 A3 A5 A8 B1 B4 B7 B8 C1 C4 C5 C7 C8 F3 D2 D4 D3 D5 D6 D8 D9 E2 E3 E5 E6 E8 E9 1619 620 624 Br Or 791 790 Gr R 1609 1608 1606 Y BrW B 1607 625 618 616 Y BrW 626 CR-XX R 10 3 DPF CONTROL SW 2 5 PARKING SW 3 PILOT CUT OFF SW 3 R B Y L R B CN-98 1 2 3 4 5 6 CN-99 1 2 3 4 5 6 CN-99R 1 2 3 4 5 6 AAVM-2 TO AAVM HARNESS AAVM-1 OM) Power(-) CCC AAA NNN _11 __ SL h H ield LN O H C P L ES VW EI R T TI C LH T( S C WO (C M) 1 543 9812 L BY R OW r 9 9 99 9 93 4 5 2 4 41 7 66 5 4 A1 _ TCU_AIP7(50) 426 W TF CU US (E 0_4T )CU 86 40 10 GROr TCU(62) 845 V TCU(03) 810 B K2 TCU(19) 820 W TCU(03) 810A B TCU(41) 825 RW TCU(03) 810B B TCU(42) 830 WR TCU(17) 875 WR EARTH1 4 9 4 4 4 4 9 C1 C2 9 4 2 9 9 9 D6 9 9 9 9 4 4 9 A 9 9 7 7 1 A2 7 8 8 B 8 9 5 9 9 9 4 9 9 9 9 B3 9 9 9 9 9 EARTH1 994 995 540 570 600 600 1 C7 810 820 810A 825 810B 830 841 845 850 875 855 865 870 860 880 885 890 895 900 600 905 910 915 920 925 930 451A 449 447 K2 K3 J6 B4 448 450 451 426 193 435 428 426 940 945 J5 K1 B TCU_ER2(49)855 ROr 700 8 TCU(46) 860 GOr TCU(39) 870 YOr TCU(12,13) 850 VW K3 T TTC CCU UU_ __A AAI IIP PP6 15( ((5 501 69) )) 8 8 88 9 90 5 B L YOr rW Wr T T T C C C U U U _ _ _ A A A I I I P P P 4 3 2 ( ( ( 5 3 1 5 2 0 ) ) ) 8 8 9 8 6 0 5 5 0 0 G O V B Wr r K4 AC COMP.

246 Gr PRE-HEAT RELAY376 Y 382 LW FUEL WARMER382 LW RW 914 GrW 343 ROr 340 R 904 464 170 914 A3 8 Or 170 SW 6 14 3 25 52 COMPRESSOR 4 Y R 5 50 01 0 1 AIR ALT LEVEL 716 START RELAY 536 536 992 A1 993 994 ROr 716 G 536 992 993 22 C 46 C 5 P 83 ST 75 AI 76 H 3 DE 54 DE 81 A/ 79 DE 24 13 W 33 P 10 P 9 P 8 P 64 P 61 PO 89 O 87 R 91 FO 62 R 35 EN 32 VS 1 B 25 B 26 B 27 B 28 B AN A(+) AN A(-) 120 OHM PUMP RPM FEEDBACK OWER IG ARTER LOCK R HEATER RELAY POI LAMP S RETURN DPF DELTA P/SENSO F RY CONTROL DPF OUTLET P/SENSO F PUMP (GND) T POWER RY CONTROL(+) F PUMP RY CONTROL PUMP RPM CONTROL DEF PUMP MOTOR SPEED SIG DEF HEAT V/V DEF HEAT V/V LO DEF DIAG DEF DIAG IF OSITION 1 RETURN DEF DIAG OSITION 1 OSITION 1 5V SUPPLY OSITION 2 SUPPLY OSITION 2 DEF DS INJ VV LOW SITION 2 RETURNDEF DS INJ VV HIG EM START SIGNAL(-) EGEN INHIBIT SWITCH RCED REGEN SWITCH ETURN DEF DOSING GINE COOLANT LEVEL P/S SIG OEM RETURN ATT (+) ATT (+) ATT (+) ATT (+) ATT (+) 994 G C5 536 789 787 771 772 773 G51 760 765 643 G30 622 377 375 K5 3 37 74 5 Br 622 377 622 Br 377 GOr 374 374 RW 375 375 A8 787 783 G96 621 Or 787 783 783 GOr BrW 621 765 621 B1 B3 789 Br 766 G 771 W 772 L 773 LW 115 CN-126 JJ 11 99 33 99 CC AA NN NAA C-+ ADC G9 99 9 33 4 0 SERVICE N N NC C C E F B 115 1 111 55 WB TOOL 5V1 3 S1 2 RR 5 21 V2 S2 6 451 1 2 3 6 66 6 6 6 644 4 4 4 446 5 2 3 WB W R R THROTTLE ASSEMBLY 5 4 7 B CN-162 418 422 Br 789 766 766 G W 771 778 G L 772 LW 773 G30 J1939 CAN A+ C J1939 CAN A- D NC A NC E NC F NC B 994 G30 115 115 115 WB 115 115 WB WB 115 B WATER IN FUELCN-J78 RETURN 2 WIF 1 B 646 C1 646 645 3 6 66 6 644 4 442 3 5 4 7 W W 645 645 C5 C7 C8 R R R 642 R 643 642 643 W W 644 644 B B 647 647 418 422 423 716 423 423 GW 640 760 WB 12 115 WW WB BB HYD.

TEMP WB CD-01 D2 711 722 723 D4 663 693 694 D3 D5 706 501 500 A8 243 238 W G V WOr WL LW Y 191 9 8 351 40 45 42 1 201 43 44 271 281 47 39 38 361 311 151 37 301 29 181 341 3 41 46 48 11 10 7 6 13 4 2 321 14 5 12 161 171 261 251 241 231 221 6GW 7 71 21 2 V 723 CN-16 CD-16 7 6 WOr66 96 33 WG 21 6 69 63 3 W WO Gr 21 FAN PR7 CD-01 AXLE OIL TEMP(REAR) (CN-16 :

HL955A~) CD-02 57 00 16 LW 21 FUEL SENDER Y 6 500 R CN-129 2 24 33 8 G V 12 Pa 2 D6 R G V 535 304 D9 K6 740 2.0 304 E2 335 BrW Gr OrW 2 R/DRY 740 6 6Y OO rr 11 76 03 G80 6B YrW1 79 92 1 6L 790 B 607 6 6YGR r 6 66 1 00 0 69 G30 84 BG 0 BrW608 335 OrW R 104A G80 B B 657 G80 W 658 R 393 GOr 504 OrW503 RW 535 2R 6 r09A LO 201 RW 142 LW 391 23 3R 11 00 22 R E3 K8 163 170 192 YOr Or BrW 791 Y E5 K7 6 A2 790 1607 1609 1610 1606 E7 1608 L E 6 B R Gr Y BrW B7 182 180 153 181 380 144 134 375 K5 374 376 382 246 K4 238 K6 740 B1 132 142 290 154 120 209 E5 32 08 00 414 260 270 210 K8 11 01 31 111 340 F3 142 K7 391 201 204 438 323A 433 264 C8 263 D2 322 193 435 J5 426 115 787 621 R 657 B 658 B 609A 102 D3 393 R D5 504 GOr 503 Or 535 RW 609A R 201 LOr K7 142 RW 391 LW 102 3.0 R 103 3.0 R R 657 B 658 B D3 393 R D5 504 GOr 503 Or 1 2 3 4 R B Br 620 Or 624 Y 791 R 393 GOr 504 OrW503 A2 790 1609 1610 1606 E7 RW 535 2R 6 r09A LO 201 RW 142 LW 391 23 3R 11 00 22 R 1608 1607 625 616 E9 2 2.0 2.0 2 2 2 2 2 23 3 3 3R R R R 1 1 1 11 1 1 11 1 1 1 15 5R R 15 10 12 CN-351 40A105 104 8W 111 15R 106 FUS 80A CN-352 15R 8W CR-01A CR-01 1 80R G50 80R R Y 5 0 6 Y 1 8 0 65 85 8787a88 11 88 02 GGOr 38 07 ARE AT MIRROR RW 2280 370 Y EL WARMER 1 370 Y EL WARMER 2 GARLIGHTER 260 G VM R 1619 111 111 CN-39 V 210 CONVERTORROr 290 ROr Y 2140 PER 300 Br RK, PILOT 340 CUTROr TO GREASE 323 RW R PRE-HEAT 373 391 LW DE CONTROL 329 BrR 10 54 53 4 8 12 104 8W CS-75 1 2 2 R RWW 55 34 51 R G Y Gr LOr V Gr YW WOr 609 608 607 1 2 3 4 8 5 7 6 9 12 11 609 R 608 BrW 607 B 606 610 740A 555 RW 142 142 G72 B 555 C CN-101A (HL955A~) RW142 RW G71B RW B G70 G71A W Or 174 174