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ELECTRICAL SYSTEM Australia (DL08 S)
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1. Understanding Electric Circuit Diagram(Example)
30 30 (BATT.+) 30 15 (BATT.MAIN RELAY) 15 15 15B (START S/W ON) 15B 15B B D 58 58 (LAMP RELAY ON) 58 F15 F3 15A F3 F30 Ef6 30A Ef2 J 10A F28 WL A 1 GR E201 E 85 30 TAIL LAMP RELAY C 5 E C U E C U 2 40 C102 86 87 (TERMINAL NO.) TAIL LAMP 5 5 OFF T/LAMP H/LAMP OFF T/LAMP H/LAMP F G HEAD LAMP S/W B B 6 I H 31 31 (BODY GROUND) BATT. ROOM GROUND G101 G202 - 2 -
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1. Understanding Electric Circuit Diagram
MARK DESCRIPTION ■ 30 : POWER SUPPLY OF BATTERY ■ 15 : POWER SUPPLY OF BATTERY MAIN RELAY ■ 15A : POWER SUPPLY AT “ACC” OF STARTING S/W (NOT USED) ■ 15B : POWER SUPPLY AT “ON” OF STARTING S/W ■ 58 : POWER SUPPLY AT LAMP S/W 1 STEP ■ 31 : GROUND(BATTERY – TERMINAL GND OR BODY GND A B ■ Ef2 : FUSE NUMBER OF REAR ENGINE ROOM FUSE BOX ■ 30A : CAPACITY OF FUSE ■ A CONNECTOR CONNECTING TWO KINDS OF WIRE ■ THE CONNECTOR NUMBER IS C101 AND THE PIN NUMBER IS 17 ■ REFER TO CONNECTOR SHAPE AND TERMINAL NUMBER C D ■ F3 : FUSE NO.3 OF FRONT INSIDE FUSE BOX ■ 15A : CAPACITY OF FUSE ■ THE DOUBLE SOLID LINE IS A SYMBOL OF CIRCUIT BOARD(PCB) AND WIRING IS UNUSED E ■ PART NAME,TERMINAL NUMBER AND PART SYMBOL ARE INDICATED F ■ INDICATES CONNECTING CONDITIONS OF THE INNER SWITCH FOLLOWING THE HEAD LAMP SWITCH’S ACTIVATION POSITION. ■ FIGURES(5,6) ON THE EXTERIOR OF S/W ARE TERMINAL NUMBERS OF THE SWITCH CONNECTOR. G ■ INDICATES THE WIRE COLOR (BLACK) H ■ INDICATES THE GROUND LINE(NO 31) CONNECTED TO THE (-)TERMINAL OF THE BATTERY. ■ G101 : LOCATION OF GROUND CONNECTOR I ■ PARTS ARE INDEPENDEDNTLY GROUNDED TO VEHICLE’S BODY J ■ INDICATES THAT THE WIRE IS DIVERGED. - 3 -
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1. Understanding Electric Circuit Diagram
■ BS120CN Connector Shape and Terminal Number (1) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR C101 WHITE CONNECTION FRT WIRING & FRT FUSE BOX C102 BLACK C103 C104 C105 RED/T C106 BLUE/T C111 FRT WIRING & S/W WIRING C113 C115 FRT WIRING & SPEEDOMETER WIRING C116 FRT WIRING & INSTRUMENT PANEL WIRING C117 C118 RED - 4 -
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1. Understanding Electric Circuit Diagram
■ BS120CN Connector Shape and Terminal Number (2) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR C201 WHITE CONNECTION FRT WIRING & FRAME WIRING C202 BLACK C203 YELLOW C204 C205 BLUE C206 FRT WIRING & FRAME WIRING the MIDDLE C207 C208 C209 C221 GRAY CONNECTION FRAME WIRING & ENGINE ROOM FUSE BOX WIRING C222 C223 - 5 -
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1. Understanding Electric Circuit Diagram
■ BS120CN Connector Shape and Terminal Number (3) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR C224 BLACK CONNECTION ECU WIRING & ENGINE ROOM FUSE BOX WIRING C225 GRAY C226 C227 C228 ECU WIRING & FRAME WIRING C229 C301 WHITE FRT WIRING & ABS WIRING C302 C303 FRAME WIRING & ABS WIRING C304 AS1 - 6 -
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FRAME WIRING & CABLE WIRING
1. Understanding Electric Circuit Diagram ■ BS120CN Connector Shape and Terminal Number (4) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR CM1 RED/T CONNECTION FRAME WIRING IN FRONT CM2 BLACK CM3 FRAME WIRING CENTRE CM4 CM5 CM6 FRAME WIRING REAR CM7 CM8 CM9 FRAME WIRING & CABLE WIRING - 7 -
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1. Understanding Electric Circuit Diagram
■ BS120CN Connector Shape and Terminal Number (5) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR IC1 GRAY CONNECTION ECU WIRING & FRAME WIRING IC2 IC3 EC1 WHITE FRT WIRING & ECAS WIRING EC2 ECAS WIRING & FRAME WIRING CA FRT WIRING & CAN CONTROL CB CC RELAY ASM FRT WIRING & RELAY ASM AUTO T/M RELAY ASM FRT WIRING & AUTO T/M RELAY ASM - 8 -
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1. Understanding Electric Circuit Diagram
■ BH117L Connector Shape and Terminal Number (1) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR C101 WHITE CONNECTION FRT WIRING & FRT FUSE BOX C102 BLACK C103 C104 C105 RED/T C106 BLUE/T C111 FRT WIRING & S/W WIRING C113 C115 FRT WIRING & SPEEDOMETER WIRING C116 FRT WIRING & INSTRUMENT PANEL WIRING C117 C118 RED - 9 -
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1. Understanding Electric Circuit Diagram
■ BH117L Connector Shape and Terminal Number (2) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR C201 WHITE CONNECTION FRT WIRING & FRAME WIRING C202 BLACK C203 BLUE C206 FRAME WIRING & FRT FUSE BOX C207 C221 GRAY FRAME WIRING & ENGINE ROOM FUSE BOX WIRING C222 C223 - 10 -
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1. Understanding Electric Circuit Diagram
■ BH117L Connector Shape and Terminal Number (3) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR C224 BLACK CONNECTION ECU WIRING & ENGINE ROOM FUSE BOX WIRING C225 GRAY C226 C227 C228 ECU WIRING & FRAME WIRING C229 C301 WHITE FRT WIRING & ABS WIRING C302 C303 ABS SENSOR WIRING & ABS WIRING C304 AS1 ECU WIRING & ABS WIRING - 11 -
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1. Understanding Electric Circuit Diagram
■ BH117L Connector Shape and Terminal Number (4) CONNECTOR COLOR CONNECTOR SHAPE USAGE OF CONNECTOR FC1 BLACK CONNECTION FRT WIRING & ECU WIRING FC2 FC3 GRAY FC4 EC1 WHITE FRT WIRING & ECAS WIRING EC2 ECAS WIRING & FRAME WIRING CA FRT WIRING & CAN CONTROL CB CC RELAY ASM FRT WIRING & RELAY ASM - 12 -
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1. Understanding Electric Circuit Diagram
■ WIRING HARNESS COLOR IDENTIFICATION ■Example : RW ① Base Color : Red ② Marking Color : White ① ② - 13 -
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■ BS120CN FRT WIRING LAY-OUT
1. Understanding Electric Circuit Diagram ■ BS120CN FRT WIRING LAY-OUT VOLT METER T/M WARNING LAMP C113 CRUISE S/W C111 RELAY ASM DIODE 1 ,3, 8, 9 C101~C106 TURN LAMP FOG LAMP HIGHT LAMP AMB SENSOR LOW LAMP CA,CB,CC FOG LAMP POSITION LAMP ACCEL PEDAL C301,C302 COMBI S/W TURN LAMP EC1 HIGHT LAMP G101 GROUND STARTER KEY S/W HORN LOW LAMP AT1,AT2,AT3 CONNECTION AUTO T/M POSITION LAMP ECAS V/V WIPER MOTOR WASHER MOTOR G102 GROUND SEAT BELT CONNECTION FRAME WIRE - 14 -
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■ BS120CN FRAME WIRING LAY-OUT
1. Understanding Electric Circuit Diagram ■ BS120CN FRAME WIRING LAY-OUT ECAS SENSOR ECAS V/V ACCEL PEDAL C201~207 ( Y ,L ,R ,B ,W ,Y ,Br ) SPARE SPARE (R) BRAKE WARE S/W WEEL SENSOR P/C V/V FUEL TANK UNIT FUEL TANK UNIT, ECAS SENSOR GROUND CM1,CM2 CONNECTOR CM3,CM4,CM5 CONNECTOR AIR DRYER RR BRAKE TANK S/W FRT BRAKE TANK S/W FRT TANK SENSOR AIR SUSTANK AIR AUX TANK PARKING TANK PC V/V ECA V/V AUTO DRAIN V/V C221~C227 IC1, IC2, IC3 C228,C229 G201 GROUND ECA PRSS S/W G202 BATTERY CM9 CM6,CM7,CM8 ENG ECU RESET S/W ( Y ,L ,R ,B ) - 15 -
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2.Power Supply Circuit - 16 - DOSING ECU ENG ECU RESET S/W ENGINE
3 4 20A Ef6 20A Ef6 DOSING ECU W 2 CM8 C221 C227 1 2 30A Ef2 30A Ef2 1 W 2 W 1 9 C227 ENG ECU RESET S/W 2 8 ENGINE ECU (C-1) W C226 15A Ef1 15A Ef1 1 3 2 R C226 C206 2 CM8 2 2 C208 ENGINE ROOM FUSE BOX PREHEAATER W 1 NOX SONSOR FRT FUSE BOX BATT.MAIN REALY 15A F29 15A F29 10A F30 10A F30 10A F31 10A F31 10A F32 10A F32 10A F33 10A F33 W BR G W 4 스페어 SPARE C101 BATTERY 4 BLINK UNIT 5 BATTERY MAIN S/W C102 C101 ECAS (BS120 CN) TACHO - 16 -
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3.Battery Main Circuit(BS120CN)
31 MAIN FUSE BATT MAIN RELAY BATT MAIN S/W 시동 모터 B+ CHASSIS GROUND 10A F33 15A F29 A/C MAIN RELAY GENERAOR B+ BATTERY 30 DIODE 3 STARTER MOTOR B+ FRT FUSE BOX Voltage Regulator Ef15 2 C206 C208 W 4 C101 BR 17 C113 9 C103 C202 ENG ROOM FUSE BOX C221 R C207 JUNCTION BLOCK WL B - 17 -
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3.Battery Main Circuit(BH117L)
MAIN FUSE BATT MAIN RELAY BATT MAIN S/W 시동 모터 B+ CHASSIS GROUND 10A F33 15A F29 A/C MAIN RELAY GENERAOR B+ BATTERY 30 DIODE 1 STARTER MOTOR B+ FRT FUSE BOX Voltage Regulator Ef15 2 C206 W 4 C101 BR 14 C111 5 C202 ENG ROOM FUSE BOX C221 R C207 JUNCTION BLOCK 6 C203 WL B ■ BH117L 31 - 18 -
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4.Starting Switch ON Circuit(120CN)
■ BS120CN 15 C208 2 15B 15A F25 WL 2 C105 AT1 R 1 B ACC ON ST LOCK WL WL 5 C301 WL STARTERKEY S/W 3 C205 AT1 16 1 AUOT T/M RELAY ASM ABS 6 ECU (CI-3) ENG ECU NO:40 AUOT T/M ECU - 19 -
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4.Starting Switch ON Circuit
■ BH117L 15 C205 1 15B 15A F24 WL 2 C105 AT1 R 1 B ACC ON ST LOCK WL WL C301 C203 3 2 FC2 9 5 WL ABS 6 ECU (CI-3) STARTERKEY S/W AT1 1 T/M WARNING LAMP ENG ECU NO:40 AUOT T/M ECU - 20 -
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5.Starting Circuit ■ BS120CN ENG ECU 12 55 - 21 - 15 ENG RPM (350 RPM)
F26 ENG ECU 61 ENG RPM (350 RPM) AUTO T/M ECU 2 15A EF14 15A Ef14 LY C105 2 LB Off 3 R On C205 AT1 7 85 87A 4 WR STARTER SAFETY RELAY ST R BrY C101 85 30 18 86 30 STARTERKEY S/W STARTING AUXI. RELAY C102 BW O 12 F10 F26 BrY 86 87 10 85 30 5 NUTRAL STARTER RELAY C223 C223 BrR C223 CM6 CM6 2 1 3 12 2 86 87 BrY C104 5 STARTING CUT OFF S/W 8 C101 B BW C202 10 STARTING MOTOR B 31 - 21 -
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5.Starting Circuit ENG ECU (C-1) 12 55 - 22 - ■ BH117L 15 ENG RPM
F24 61 ENG ECU (C-1) ENG RPM (350 RPM) AUTO T/M ECU 2 1 15A EF14 15A Ef14 C105 FC3 LY LB 3 Off R AT1 On WR 7 85 87A 4 STARTER SAFETY RELAY R ST BrY C101 85 30 18 86 30 STARTERKEY S/W STARTING AUXI. RELAY C102 BW O 12 85 30 BrY 86 87 NUTRAL STARTER RELAY 10 5 C223 C223 86 87 BrR C223 2 1 12 C104 F10 F25 BrY 8 18 STARTING CUT OFF S/W C101 B BW C203 B 10 STARTING MOTOR 31 - 22 -
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6.Relay Module Connection Circuit
FUSE NO 11 ECU NO87 PIN ENG CHECK LAMP ECU NO 21 PIN MID DOOR OPEN ECU NO 22 PIN Y BL W BG BrY Br Engine Check Lamp Accelerator Lock Brake Signal GL B GY BY GBr GL ECU NO 49 PIN ECU NO 29 PIN ECU NO 30 PIN ECU NO 41 PIN BODY GROUND BRAKE LAMP S/W - 23 -
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7.Engine ECU Connector CONNECTOR FOR VEHICLE CONNECTOR FOR ENGINE
CONNECTOR FOR SENSOR ECU C-1 ECU C-3 CONNECTOR FOR INJECTOR - 24 -
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Diagnostics (OBD) Connector
8.Engine ECU Power Supply & Diagnosis Circuit ■ BS120CN 30 15 15B 10A F24 30A Ef2 30A Ef2 10A F11 C205 16 9 Diagnostics (OBD) Connector 10 12 13 1 Y C-1 WL ENG CHECK LAMP C226 C226 C227 C227 IC1 C204 15 1 2 1 2 8 9 Y Y BrY C-20 C104 9 15 LB W IC1 W W W IC1 4 6 C203 C118 Br 엔 진 E C U 1 7 12 13 3 9 14 15 31 8 27 39 28 64 89 2 3 8 9 40 22 1 3 E N G E C U (C-1) 85 29 5 6 10 11 30 2 4 RELAY MODULE ENG CHECK 3 11 1 2 1 2 6 IC1 C203 IC1 8 IC2 B 8 18 C228 C228 C229 C229 B C205 C203 B B B B Br 7 5 BG GBr ENG CHECK S/W 31 G101 BATT. ROOM GROUND G101 - 25 -
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Diagnostics (OBD) Connector
8.Engine ECU Power Supply & Diagnosis Circuit ■ BH117L 30 15 15B 10A F24 30A Ef2 30A Ef2 10A F11 C205 16 9 Diagnostics (OBD) Connector 10 12 13 1 Y C-1 WL ENG CHECK LAMP C226 C226 C227 C227 IC1 FC2 1 2 1 2 8 Y Y 12 BrY C-20 15 LB W FC1 W W W 2 C118 Br 엔 진 E C U 1 7 12 13 3 9 14 15 31 8 27 39 28 64 89 2 3 8 9 40 22 1 3 E N G E C U (C-1) 85 29 5 6 10 11 30 2 4 RELAY MODULE ENG CHECK 4 7 1 2 1 2 3 FC2 FC1 B C228 C228 C229 C229 FC1 B Br BG B B B B 7 5 GBr ENG CHECK S/W 31 G101 BATT. ROOM GROUND G101 - 26 -
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RELAY MOUDLE BRAKE SIGNAL
9. Digital Power Terminal Connection Circuit of Engine ECU ■ BS120 CN (Terminal 21) C203 IC2 7 2 46 8 RBr RBr IC2 4 3 GrY RY 74 CRUISE S/W 2 RESUME S/W C203 IC1 10 24V 1 21 BL BL WR 14 RELAY MOUDLE BRAKE SIGNAL E C U (C-1) P C205 IC2 16 15 GL 15 9 49 GL C205 IC3 14 11 41 GY GY CLUTCH S/W 66 75 ENGINE BRAKE RELAY 51 - 27 -
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RELAY MOUDLE BRAKE SIGNAL
9. Digital Power Terminal Connection Circuit of Engine ECU ■ BH117L (Terminal 21) FC1 10 46 8 RBr RBr 4 FC1 9 74 GrY RY CRUISE S/W 2 RESUME S/W FC1 24V 12 21 BL BL WR 14 RELAY MOUDLE BRAKE SIGNAL E C U (C-1) P FC2 16 15 8 49 GL GL FC2 7 41 GY GY CLUTCH S/W FC2 11 66 LW C224 5 75 LW ENGINE BRAKE RELAY C226 1 51 GY LB - 28 -
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9. Digital Power Terminal Connection Circuit of Engine ECU
■ BS120 CN (Terminal 13) C224 24V 6 13 W W 3 1 C205 C223 RW L C116 C116 C205 IC1 W 6 2 9 5 LgL GL GL 56 E C U (C-1) 30 85 PRE HEAT INDICATOR L 87 86 C118 C118 C205 IC2 ENGINE FREHEATRELAY 12 12 2 30 85 13 38 GrY GrY GrY DOSING WARNING LAMP C223 C224 2 2 BG BG 7 87 86 FUEL FILTERRELAY C224 4 BG BR 17 - 29 -
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9. Digital Power Terminal Connection Circuit of Engine ECU
■ BH117L (Terminal 13) C224 24V 6 13 W W FC1 1 6 C223 RW C116 C116 FC2 W 6 2 5 BL GL 56 E C U (C-1) 30 85 PRE HEAT INDICATOR 87 86 C118 C118 FC4 ENGINE FREHEATRELAY 13 12 4 30 85 38 GY GY DOSING WARNING LAMP C223 C224 2 2 BG BG 7 87 86 FUEL FILTERRELAY C224 4 BG BR 17 - 30 -
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9. Digital Power Terminal Connection Circuit of Engine ECU
※ Engine ECU 24V Output Condition 1. Engine ECU No Power Supply Connection and No Body Ground 2. Engine ECU No 40 Pin Key On Power Supply Connection ※ Fault Code on Wire Short-Circuit of Engine ECU No 13 and 21 Terminal Fault Code Fault Contents 3.9 ECU Inside Relay is Abnormal 6.7 Air Heat Lamp / Harness Abnormal 6.8 Engine Brake Relay / Harness Abnormal 7.7 Fuel Filter Relay / Harness Abnormal 8.3 Air Heat Relay / Harness Abnormal - 31 -
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Allison Auto T/M Relay ASM
10.Brake Lamp Signal Circuit 15 10A F11 10A F5 ■ BS120 CN C104 9 G Y 14 30 85 6 15 16 15 BRAKE LAMP RELAY RELAY MODULE (BRAKE SIGNAL) C205 C205 GY GL 87 86 13 14 G GL 10 11 C102 9 7 16 IC3 GL C205 IC2 C102 BL IC1 1 GL C201 GL GY 9 Allison Auto T/M Relay ASM ECAS ECU BRAKE SIGNAL 21 49 41 G Digital Power SIGNAL-1 SIGNAL-2 CM7 E N G E C U (C-1) 3 p p BRAKE LAMP B BRAKE LAMP S/W B 31 G203 G201 - 32 -
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14.Brake Lamp Signal Circuit
15 ■ BH117L 10A F11 10A F5 C104 9 G Y 30 85 6 15 16 BRAKE LAMP RELAY RELAY MODULE (BRAKE SIGNAL) 87 86 13 14 GL FC2 FC2 7 C102 8 G 16 GL 12 BRAKE SIGNAL RELAY 7 FC1 C102 C201 GL GY 1 BL C201 9 21 49 41 GL Digital Power SIGNAL-1 SIGNAL-2 E N G E C U (C-1) p p BRAKE LAMP B BRAKE LAMP S/W B 31 G202 G201 - 33 -
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14.Brake Lamp Signal Circuit
■ 7.2 (Pedal brake switch Malfunction) Lamp Lighting of Fault Code ■ Simultaneous working on a normal operation Foot Brake S/W #1, #2, #3 [INACTIVE] : No Foot Foot Brake S/W #1, #2, #3 [ACTIVE] : Foot ※ On no changing to foot brake #1, #2, #3 [INACTIVE] or [ACTIVE], check error of brake lamp s/w. ※ On decreasing of output without fault code as foot brake mis-working during operation, check error of brake lamp s/w. - 34 -
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15. Allison Auto T/M Relay ASM Connection Circuit
15B 10A F11 BRAKE LAMP RELAY 10A F5 WL T/M ECU ■ BS120 CN WR Y WL WL Y Y G LB WR G G Pad Warning Relay Retarder Lamp Relay Temp. Warning Relay Brake Signal Relay Retarder Brake Lamp Relay Gr GrB RW WR RB RL O B G T/M ECU temp WARNING LAMP BRAKE pad wear WARNING LAMP RETAROER INDICATOR LAMP BRAKE LAMP BRAKE pad wear S/W T/M ECU RETAROER SIGNAL T/M ECU BRAKE SIGNAL GROUND - 35 -
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RETAROER INDICATOR LAMP
15. Allison Auto T/M Relay ASM Connection Circuit ■ BH117L 15 15B 10A F5 WL AT1 C104 R 11 AT2 R 85 30 30 85 30 85 WR BRAKE LAMP RELAY 1 RETAROER LAMP RELAY 86 87 87 86 BRAKE LAMP RELAY 2 87A 86 16 G C103 2 GL LB 30 85 B 7 C201 12 C102 1 1 C102 BRAKE SIGNALRELAY RW C103 C102 G AT1 WR C201 LB 2 C202 C118 p p 9 87 86 4 2 2 AT2 2 C103 RETAROER INDICATOR LAMP 8 T/M ECU RETAROER SIGNAL O C202 BRAKE LAMP S/W BRAKE LAMP T/M ECU BRAKE SIGNAL C104 1 3 B B C118 4 B B AT2 31 G201 G202 G101 G101 - 36 -
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Signal Output ( Signal Voltage )
16.Accelerator Pedal Circuit ACCELERATOR PEDAL I V S SIGNAL Signal Output ( Signal Voltage ) MID DOOR OPEN SIGNAL 6 5 3 2 1 BG GW W G B C204 C204 C204 C204 C204 12 11 1 2 3 C203 18 BG 4 3 10 IC1 9 11 IC3 IC3 IC3 IC3 BY 5 8 29 48 77 79 78 Return I V S 5V Signal Return RELAY MODULE ACCEL. LOCK E N G E C U (C-1) Door Signal 87 4 7 BG B C203 IC1 GW 17 2 31 - 37 -
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Fault Code Check ▶ Help Key
16.Accelerator Pedal Circuit ■ 2.3 : RELATION TO ACCELERATOR PEDAL IS ABNORMAL Fault Code Check ▶ Help Key Sensor Data Check Check Point SAE CODE P0115 [ Fault Cause ] - Less than max. limit data ○ ○ ○ ○ ○ ○ ● ○ Accelerator Push Volume ％ Accelerator Sensor Error Accelerator Sensor Voltage --- 0~4［mV］ Low Idle Switch ON ( Not Work ) ■ V Connection Wire Broken ■ Signal Connection Wire Broken or Short ■ Sensor Abnormality - Less than min. voltage ○ ○ ○ ● ○ ○ ○ ○ Accelerator Push Volume ％ Accelerator Sensor Error Accelerator Sensor Voltage --- 0［mV］ ■ V Connection Wire Broken ■ Sensor Inside Abnormality - Abnormality Signal ○ ○ ○ ○ ● ○ ○ ○ Accelerator Push Volume ％ Accelerator Sensor Error Accelerator Sensor Voltage ［mV］ ■ Low Idle Switch differ with Push Volume Signal - 38 -
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17.Engine ECU Sensor Circuit
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Fault Code Check ▶ Help Key
17.Engine ECU Sensor Circuit ■ 1.1 (Coolant temp sensor malfunction) Lamp Lighting of Fault Code Fault Code Check ▶ Help Key Sensor Data Check Check Point SAE CODE P0115 [ Fault Cause ] - Over max. Limit Data ○ ○ ○ ○ ○ ○ ○ ● Coolant Temp.Sensor : 17~23℃ (Base date is indicated on fault.) Coolant Temp.Sensor Error : 4 ■ Check voltage at sensor terminal. - 0 V : 2.15 connection wire error ■ Check voltage at 2.15 sensor - 5 V : 2.26 wire is disconnection or sensor error (sensor resistance check) - Over Limit Data ○ ● ○ ○ ○ ○ ○ ○ Coolant Temp.Sensor : 104 ~ 130℃ Coolant Temp.Sensor Error : 64 ■ Check an overheat of eng. ■ After separation of sensor connector on non-overheat, Check voltage at 2.15 sensor terminal. - 0.6~0.2 V : 2.15 connection wire error - 5 V : sensor error - Less than max. Limit Data ○ ○ ○ ○ ○ ○ ● ○ Coolant Temp.Sensor Error : 2 ■ After separation of sensor connector, Check voltage at 2.15sensor terminal. - Less than 0.2 V - 40 -
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Condition of Light Lamp ※ Signal Data of Coolant Temp.Sensor
17.Engine ECU Sensor Circuit ■ 1.1 (Coolant temp sensor malfunction) Lamp Lighting of Fault Code Condition of Light Lamp ※ Signal Data of Coolant Temp.Sensor ■ Error of Sensor or Connection Harness ■ On Overheat On Light Lamp ■ Output Decrease on Engine Overheat ■ Running Possibility on Sensor Error ■ Resistance Data of Coolant Temp. Sensor Temp. ( ℃ ) Resistance ( Ω ) 10 about 3,700 20 about 2,400 50 about 800 80 about 300 - 41 -
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Fault Code Check ▶ Help Key
17.Engine ECU Sensor Circuit ■ 1.8 (Oil pressure sensor malfunction) Lamp Lighting of Fault Code Fault Code Check ▶ Help Key Sensor Data Check Check Point SAE CODE P0520 [ Fault Cause ] - Over max. Limit Data ○ ○ ○ ○ ○ ○ ○ ● Oil Pressure Sensor : 2000[hpa] (Base date is indicated on fault.) Oil Pressure Sensor Error : 1 ■ 2.27 Signal Connection Wire Error - Signal Voltage of Pressure is checked at Sensor Terminal. ■ On 2.27 Signal Connection Wire Error, simultaneous light lamp of oil temp.sensor fault ■ sensor error (sensor resistance check) - Over Limit Data ○ ● ○ ○ ○ ○ ○ ○ Oil Pressure Sensor Error : 64 ■ On over 4V of 2.27 Signal Voltage - On over 9000[hpa] of Pressure ■ In case of difference data of actual and pressure meter’s oil pressure, oil pressure sensor error (sensor resistance check) - Less than max. Limit Data ○ ○ ○ ○ ○ ○ ● ○ Oil Pressure Sensor Error : 2 ■ 2.27 Less than 0.6 V or 844[hpa] ■ 2.32 (5V) Connection Wire Error ■ Connection Wire Error - On error of 2.09 & 2.33 connection wire, voltage is checked 0V. - Less than min.data of sensor voltage ○ ○ ○ ● ○ ○ ○ ○ Oil Pressure Sensor Error : 32 - On disconnection wire, voltage is checked 0V. ■ After separation of connector, Check voltage at 2.32 terminal. - 4.8 V : sensor error (sensor resistance check) - 42 -
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Condition of Light Lamp ※ Signal Data of Oil Pressure Sensor
17.Engine ECU Sensor Circuit ■ 1.8 (Oil pressure sensor malfunction) Lamp Lighting of Fault Code Condition of Light Lamp ※ Signal Data of Oil Pressure Sensor Voltage(V) ■ Error of Sensor or Connection Harness ■ On the Low Oil Pressure On Light Lamp ■ On the low oil pressure, ruuning after repair ■ No Output Limit Pressure (hpa) ■ Resistance Data of Oil Pressure Sensor 2.32 ~ 2.24 2.32 ~ 2.27 2.27 ~ 2.24 About 6.15 ㏀ About 5.15 ㏀ About 5.87 ㏀ - 43 -
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18.CAN Communication Connection (NOX Sensor) Circuit
■ BS120 CN 30 OBD Connector CAN CONTROL 30A Ef2 3 11 2 1 CC CC W A B S E C U C226 2 G CA-7 CA-8 15 2 1 17 18 16 AT3 AT3 C204 C204 AS1 2 WR G AS1 1 T/M E C U IC3 IC3 W 5 2 1 6 5 NOX SENSOR IC3 IC3 2 3 4 W G W G B W G G W W G W G 7 8 5 6 35 34 53 52 D C U E N G E C U 2 W 5 B 2 C228 31 BATT. ROOM GROUND - 44 -
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18.CAN Communication Connection (NOX Sensor) Circuit
30 ■ BH117L CAN CONTROL 30A Ef2 2 1 T/M E C U CC CC C226 2 OBD Connector W G 3 11 2 3 2 5 AT3 AT3 WR G FC4 FC4 W W 5 G NOX SONSOR AS1 AS1 2 3 4 1 2 W W G B W G W G W G W G CA-8 CA-7 7 8 5 6 35 34 53 52 A B S E C U D C U E N G E C U 2 5 2 C228 B 31 BATT. ROOM GROUND - 45 -
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■ RPM Meter Indication Data
19.Meter Cluster Circuit ■ BS120 CN ■ BH117L ■ RPM Meter Indication Data Indication RPM Frequency (KHz) Tolerance (RPM) Degree (˚) 600 120 ±40 37.2 1000 200 ±50 70 2000 400 ±100 156 3000 240 C201 C203 3 2 C203 C202 14 13 CM3 12 10 W CM1 G E N G E C U (CAN) G101 - 46 -
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20. Allison Auto Circuit - 47 -
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20. D C U Circuit - 48 -
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