BAIC HX900L Electrical System Manual PDF - Service Guide (FR)

SECTION 4 ELECTRICAL SYSTEM Group 1 Component Location - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 Group 2 Electrical Circuit - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3 Group 3 Electrical Component Specification - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-22 Group 4 Connectors - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-31

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SECTION 4 ELECTRICAL SYSTEM GROUP 1 COMPONENT LOCATION 1. LOCATION 1 19 21 22 20 23 AIR Switch panel 18 17 1 2 16 3 4 15 5 SEEK MUTE MODE CALL 14 6 VOL 13 7 8 12 11 9 10 900L4EL01 1 Cigar lighter 2 Radio & USB player 3 Haptic controller 4 Horn switch 5 Cluster 6 Breaker operation switch 7 Starting switch 8 Service meter 9 Power max switch 10 Emergency engine stop switch 11 One touch decel switch 12 RS232 & J1939 service socket 13 Fuse & relay box 14 Master switch 15 Machine control unit 16 Seat heater switch 17 Service socket 18 Speaker 19 Lower wiper & washer switch 20 Boom floating switch 21 Air compressor switch 22 Quick clamp switch 23 Central grease lubrication switch 4-1

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1 Lamp 2 Fuel sender 3 Fuel filler pump 4 Beacon lamp 5 Battery 6 Battery relay 7 Horn 8 P1 pressure sensor 9 P2 pressure sensor 10 EPPR sensor 13 Alternator 14 Travel alarm buzzer 15 Air cleaner switch 16 Swing pressure sensor 17 Boom down pressure sensor 18 Arm out / Bucket in pressure sensor 19 Attach pressure sensor 20 Travel pressure sensor 21 Nega control 1 pressure sensor 22 Nega control 2 pressure sensor 23 Solenoid valve 24 Boom priority EPPR valve 25 Rear view camera 26 MCU 27 RMCU 28 Converter 29 Antenna 30 Attachment MCU 31 Engine emergency stop switch 32 Relay drive unit 900L4EL02 4-2 2.

LOCATION 2 4 29 23 1 1 1 1 1 24 1 CAB SOLENOID VALVE BOOM Pi2 1 8 22 9 10 a2 25 Pi2 a1 Pi1 2 a4 Pi1 1 13 21 3 14 15 1 7 1 17 18 19 16 30 31 26 27 28 5 32 6 20 SHUTTLE BLOCK MAIN CONTROL VALVE

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20KD-91201-00 7 NC CABIN LAMP 87a 86 30 87 85 1.2LgR 26 0.8G 76 3 2B 1.2OrR 89 1.2R 69 0.8RW 88 CN-51 1 2 3 4 5 6 FAN SPEED INPUT+ BATT POWER_24V POWER_5V OUT SENSOR 24V KEY IG 24V GND(5V) HYD TEMP FUEL LEVEL MASTER SW 85 87 87a CR-9 CS-74B 30 86 2 1 1.2RW 169A 2R 169 28 172 2W 3 2B 79B 1.2B 82 1.2WOr 79A 1.2GrW 81 1.2BOr CD-1 CD-2 1 2 1 2 BEACON LAMP 5 2 3 2 3 4 34 0.8BrW 0.8RW 47B 1.2W 79C 1.2B 80 1.2YW 32 33 34 CD-10 Pa 1 2 NC NC AIR CLEANER SW CAMERA 1 5 2 4 5 6 4 3 CR-36 4 0.8OrW 10A 0.5Y 0.5Y 2 0.8B 9B 1 0.8RW 78 0.8RW 47A 3 0.8B 0.8B 24 25 26 27 28 29 30 31 GND GND NC NC NC NC NC NC NC CN-259 1 SH 1A 0.8G 5C 16 17 18 19 20 21 22 23 CAN_LO(2) NC NC NC NC NC NC NC RDU(Relay Drive Unit) WASHER P/P 2 M DO-5 1 2 1 0.8RY 0.8V 0.8V 14B 17A 17 > 3/3 022 0.8V 6C 0.8GY 73 0.8L 15 0.8YOr 18 0.8RW 78 10 11 12 13 14 15 8 9 INT WIPER/OUT R_LH WASHER/OUT F_LH BEACON LAMP HEAD LIGHT CAN_HI(2) NC NC NC AC COMP RY R/DRYER 87a 86 30 Pa 1 2 CN-22 CN-29 1.2G 175 1.2WR 174 0.8RY 14A > 3/3 024 0.8GR 13 0.8L 77 0.8G 76 CN-376 1 2 3 4 5 6 7 WIPER/OUT R_RH OVERLOAD SW WORK LIGHT CABIN LIGHT IG 24V NC NC 85 87 87a CR-7 30 86 87 85 143 0.8YOr 0.8RY 166A 1.2G 175 1.2B 176 GROUP 2 ELECTRICAL CIRCUIT GROUP 2 ELECTRICAL CIRCUIT 余 ELECTRICAL CIRCUIT ELECTRICAL CIRCUIT (1/3, OLD) 3/3 017 > > 3/3 039 > > > > > 3/3 040 3/3 041 3/3 042 3/3 043 3/3 044 3/3 021 > > 3/3 029 > 3/3 025 3/3 032 > 3/3 033 > 3/3 035 > 3/3 034 > > 3/3 030 5B 0.8G 69A 1.2R 6B 0.8V 0.8Y 7 0.8L 8 1.2B 70 0.8LW 31 0.8YB 32 0.8BW 71 CN-126 10 6 0.8G 6 0.8G 6 0.8G 9 8 G 7 0.8G 6 6 0.8V 5 D E 5 0.8B 4 4 0.8R 3 C 3 0.8G 2 2 0.8BW 1 1 CN-11 178 2B 0.8LY 91 2RY 166 3Br 171 5 174 1.2WR 0.8G 5 6 0.8V 0.8B 4 2 0.5Y 0.5Y 3 0.5Y 4 0.8G 5 6 0.8V 0.8Y 7 0.8L 8 0.8B 9 9 10 0.8OrW 10 11 0.8RW 11 1 SH 0.8W 12 0.8L 15 0.8RY 14 0.8GR 13 17 16 0.8R 18 17 0.8V 19 0.8YOr 18 0.8B 19 0.8WG 21 SH 20 25 22 0.8Or 26 27 23 1.2B 28 24 1.2B 29 25 1.2ROr 30 23A 1.2B 33 26 1.2LgR 34 27 0.8BOr 35 28 1.2W 36 1.2B 24A 37 26A 1.2LgR 38 0.8YW 29 0.8G 30 0.8LW 31 0.8YB 32 33 1.2B 0.8BrW 34 0.8YL 35 58 42 0.8Y 59 43 0.8GW 60 1.2B 44 0.8V 6A 0.8G 5A SH 20C 0.8RW 11 0.8OrW 10 42A 0.8Y 45 1.2ROr 46 1.2B 0.8GrW 47 48 1.2LW 0.8B 51 0.8GR 56 0.8B 57 0.8GrW 58 0.8Gr 59 0.8Or 60 0.8BY 66 0.8Gr 59 0.8Or 60 0.8LB 61 0.8YW 29 0.8Y 62 1.2BW 63 0.8BrR 64 1.2BW 63 65 1.2GL 1.2B G41 1.2G 67 J IG 24V H CAN2_Lo CAN2_Hi F CAN1_Lo GND CAN1_Hi RS232_TX RS232_RX B RS232 P_DUMP A Service Tool 1 2 3 4 AC CONTROLLER B+ 6 7 8 CN-5 1 2 3 4 5 6 7 8 11 CLUSTER_BATT.24V 12 13 14 CASSETTE RADIO IG 14 15 WIPER MOTOR DRIVE SIG 15 16 WIPER MOTOR IG24V 16 18 WIPER MOTOR BATT24V 20 21 WIPER MOTOR_GND 21 22 23 24 QUICK COUPLING SOL 24 26 DC/DC CONVERTER_24V 28 DC/DC CONVERTER_GND 31 32 39 40 41 42 43 44 45 46 47 48 49 50 51 AUTO GREASE RESET 52 53 54 55 56 57 AUTO GREASE LAMP CN-8 1 2 3 4 5 6 7 8 9 10 CN-7 1 2 3 CIGARLIGHT_GND 4 5 6 7 8 AIR SHEAT POWER 9 9 10 11 12 13 14 15 CN-6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 MCU_SUPPLY GND 15 16 CN-4 1 2 3 4 5 MCU_POWER MAX 6 7 8 9 10 11 12 13 14 15 16 1.2G 67 CN-68 1 1.2L 68 2 SAFETY SOL CN-140 0.8B G42 1 0.8WG 21 2 QUICK COUPLER 1.2L CN-263 52 2 0.8YR 50 1 AIR COMP RY DESTINATION NO.

AC GND 1 BLOWER SIG. 2 IG 24V 3 REVERSE FAN 4 5 6 COMP(DPS) 7 CAN_LOW 8 CAN_HI AIR-CON CAMERA SIG. GND 1 2 CAMERA3 3 CAMERA2 CAMERA1 4 CAN2_LO 5 6 CAN2_HI 7 CAN1_LO 8 CAN1_HI 9 CLUSTER_GND 10 CLUSTER_IG 24V 12 CAM POWER 13 CAM GND 17 WASHER SIG. 19 WASHER P/P 20 INT. SIG 22 CAM POS 23 CAM NEG CAN_SH 25 27 NC 29 CABIN_GND 30 SOL. POWER 31 NC 32 NC 33 NC 34 CABIN LAMP RY 35 ENG. START SIG.

36 START KEY 24V 37 CABIN_GND 38 CABIN LAMP RY 39 START KEY_BR 40 START KEY_IG 41 RS232 TX2 42 RS232 RX2 43 NC 44 CONT._GND 45 CAM0 POWER 46 CAM0 LIN 47 CAM0 LVDS POS 48 CAM0 LVDS NEG 49 CAM0 GND 50 BEACON LAMP 51 HOUR METER SIG 52 53 AIR COMP RY AIR COMP RY 54 55 NC 56 NC NC 57 58 59 ROOM LAMP 24V 60 ILLUMINATION GND 1 CAN_HI(2) 2 CAN_LO(2) 3 CAN_SHIELD 4 NC 5 6 POWER_BATT POWER_IG 7 NC 9 NC 10 NC 8 1 ILLUMINATION 2 CIGARLIGHT 24V 3 4 NC NC 5 NC 6 SWITCH SPARE 7 8 SWITCH POWER 10 NC 11 NC 12 NC 13 NC 14 GND 15 NC NC 1 NC 2 NC 3 4 NC NC 5 BREAKER 6 GND 7 8 HORN RY.

9 NC 10 NC 11 NC 12 NC 13 NC 14 MCU_5V 16 2-WAY SIG RH CONSOL 1 MCU_5V MCU_RETURN 2 ROTATOR SIG 3 4 EM'CY STOP SW 5 MCU_SIG.GND 6 MCU_DECEL 7 MCU_SIG.GND 8 9 NC 10 NC 11 MCU_SEAT BELT 12 NC 13 EM'CY STOP SW 14 GND 15 NC 16 SAFETY SOL LH CONSOL GROUP 2 ELECTRICAL CIRCUIT 012345678901234567890123456789012345678901234567890C AAACCCCCCCCWWWWWIW CQ DNDCSNNNCESCCSSRRNCCCCCCBHC RICC NNN LUA IAALLLAAA A CCCA OA OAA U LCRIIAIA I RTPP P PUUU AAN TTNN MMS M MMMMMN UMN / LI OS S.

D DCEE E E CSSS C._S II112 M2 S H H NNC PG NK 22PRR R R PS O__TTT TT__ OE .I IE E _G O OE MLH OH NL HEEE N TRT LMC CC KKMM M M IVVR R GOOO RRNG NRI RRW XI AASDT EXO OO OO O O ME MT___ S P T2E N NU DTT T T ARAGIB EI / PG OR R __G P RV VP MOO O O SSA YRN A NE EL R. 2EERR R RT2 D RID 4R Y4T N _ VDI B IIV T T. G G G GO A2 EAR E E2 N4 ST S R RII 4V VG DT PEO _ _VE 2 T2 GL 4 4S NV VI DG 3333333322221222222111111111 334444444444555555555566754012398679012345812345670 8901234567890123456789054 6789 0 000 00 S 000 00 0011100000 0010000 S. ... .. ... .. .......... .......

HH8 888 88 888 88 8822288888 8828888B LRG YB LYW YW YGRBBOVRRO YGBGVYL WggO WY OW R rr WG WW RRr rr9 111 11 2 332 31 32278 23222215 116 1 4421 543 89 0 121 52 9054327610 IUO CCCA B / I MN C GG_ G AW N E AD R 233 AAA NT TT AA SSCOAAAAA A BG BB 22 CR RR33 I . N T OS _ L L T MNK G A A E EE N EEDM 2 R Y YY TP P 2 RBI S R 4 G IV SY G . 01101 1 ..... . 82282 2 BLWBL B B LrO 2 22 476 4 68 N T00000 PLLLG N LW D E 1 . 2 B 3 3 PDD SS YPN POE GS E A U OO R LR AN C P IR C M 12345678910C C PPC N NNNG OOA AA C CCCNN NN WWD _ __ EEH SL RROHI( __2(I BE I2) G) ALD TT C 1N 067891 3452-8 00S001 .....

H 88882 ORGVB WrW112564 010AA4 C 1234567890123456123456789123456789 NMNEGNMMM2IC HNNSN NBGN NNNCL CCCCIWI OCCC CC CCCL NI WCCRG FG UUUUU A AA ____M T__R YCCR I L SOVN RHL OI STIA YG WRG OT EH LH ELI NLNOT LAT SEO_N R2 MG WL4 TV AN XD C111111C 1111111N0123452 5 7891 4 63 63N -6- 47 110 0.. 000000. .228 .BR 888888Y YWO rrr 4444 665 642 58A 1111111L1111111111111 0123456012345 A S RW EII ATT S TH H EOIE A P PS TG.T O PP BP RW E E W GR NE DR 10 0. 1. 28 8L 2G r WrWWW 6655557 NNNNMMNNGN CCCCCC NN N OCC C C N E NRD D A YN SPSDK ESVE C 01234562 5 7891 4 63 - 8 ......

B OBGGBG 5 rrrR LRW1 069876 1111111 0123456 R HH CC SNM R MEM AOM M- CO CNC CC T' 'DU UU C UU N _ __ Y S5 SR 5S S S E U GG T R O T CI G ..O U S P R I GN DDY S W N 2 895 71 4 111010000 ......... . 222828888 GBBBBYLOG BY 6G6662665 73439109 2 I G C C C A O P G 41 Y L SACFC NEN T-1- Y6 21 8 00..11 88.. BW22GL 2466 1287 4 21 0SO L GG >> 33//33 003197 > >>>> 3 333 3/ /// /3 333 0 000 04 444 40 312 3 4 >3/3 021 3/3 023> 3/3 020> 3/3 026> 3/3 027> 19 S0.H8B CA342 MERA > 3/3 038 015> 3/3 11 2 1G G G33 1 32 2 276 9 85 768 111 00... ..222 8822 YRB YL 22BW / BW RB YC C83456N 12 7 1234N- -1 2GI CBB CG LE L6 G AAA AAAR N AR RN MTT MNNO TGO O_TT PPU .UE SS UR..

__ N CN II SVUGGEE DM CD CDONCC NN RRLNMM AA TI LLL FN ALH G VUOI E+ LW L2 T4 (+V E VM GS /I SN CT RE R LAFA MC PE ECM 63C 4AO N BBOT rRO F12L ROS MTC AR BE R- AC 2 T3 TM R Y .C R.O YNTROL SC BM T+N A- R4 M T5 ERB- 7 BG T . SN A E G E ) T T 1G1 1G3 4 42 29 0 18 9 1.222W 22BB WBO rrC 2345N 1 6-3 I GN IGB G GCA NNN NT DD _ _T __S E. ESC_ GGCS R RCR R/ER /EGGVV SCR/EGR/EGV INTERFACE ECM CONTROL 3 538 WR CN B IG+ N-7 D4 3~G U G30811..22VB C 21N-28 AC COMP ALT. CL-40 P12URGING UREA LAMP 00..88RBW CL-41 UREA FULL WARNING LAMP(LED) 192 6302 4110 00.. ..28 88BL BYBO Or C 342 51R-5 4 35 21 r C(LOONWT ASCIDTE I)NRPEULTAY 1 14G3 3162 3FG ORBr 2157C RN IGLG AE N- N MS D1 IET P5 TI O 0 S IN GIG.

r S AUTO GREASE 3/3 012 > 3/3 029 > 3/3 025 >>>333///333 000333235 >3/3 034 > 3/3 030 971.2Y > > 3/3 014 QUICK COUPLER AC IRN C-2 O1263 MP10 .. R28LY YR 5502 024 3/3 > r17 17 1 7 86 57 3 3 CN-126 CC CCI AA AAG NN NN 2 22 114 __ __V HL LHo oi i HJ EGF 000000 ...... 888888 BVGGGG 56666 1 876590 0101 00 .... .. 8282 88 LBVR YG659 678BA B OUTT SR T U _ W TF R _RH L_HL C HN-3 111987654321 210 76 00 00000 .. ..... 88 88888 LL Y G V GG Y OR >> 33//33 000087 > 3/3 009 > 3/3 013 >> 33//33 003376 022 3/3 > 2B3 AT MP 22221111111 3333322222232109876543 43210987654 0. 0 00. ..

8 8 88R BB GW76 8 5C C 0 11..22YBW8709C 2 11..22BBOr7891B 111..22GWrOWr7892A 32B A U E E X C EX DDVI O R ST E RR L OR ( D R VU S N N - L N O_ I SE WU ETP O M G2 SN TT C R4 G P U G WS A O I E SV T L L N TS R I W E+ A ) GED SI M E S C ) P G WN - 2222 433333333332222221111111111987654321 5 8765 0987654321094321098765432101 00001 101 000 0000 101 S ..... ... ... .... ... 8 H 8882 282 888 8888 282 LL L YBBYB YYY YB RRO G Grr L Y B WW WWW RR 766786 336 5783 891142989 215 013 3 E EAA28 6 1 AA09 3A 2B REE RE N AA - 2 O +PP RNN SSS PP 2 T EO EE RR 4L 22 PPS PV-+PP S OL RR-+CN 11- 987654321 1052 010 0010 0000 ... .... ....

828 8828 8888 YBP RV RRGGGGr BB G GWr999 1999 988 673 0984 567 0 N O R W 2 S E P B E P S S E N S O RN R ) P ... 888 BYB 000 843 E S O L . 2 Wr O MU S E NS 222221111111 432109876543 BVB r L SPC E N D OD RO N S O R GO rr W M R Y 01 . 8 RR 18 12 3 Z Z E NDK P S N SS O R RS I E P 00 .. 88 L g R 18 11 7 I T Y E PP P - 0 . 8 W111 1 1 8 gggg YB SE 0000 .... 8888 LLL WWB 1111 1211 9012 LLLL GO EP PP P 1 + 000000000 ......... 888888888 GG r Gr 1111111111 2211100000 1265476521 EE P2 PY RRRD 1 -I 43333331 09876542 1PS 1EEE 2R O r R333322222 WR ABRS 101 ... 282 BRR W C000 CR 1SP 1 R G 101T ... 618618 C - 6T OROR rr R CEB2A L W+ 101 ... 282282 BB WWS 618321098765 329309309 0F0 -7 R 101 ...

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