EC160B/180B/210B/240B/290B/360B/4 MAIN MENU Machine information system change System layout change Electronic control system overview VECU input & output Control circuit EECU Electric circuit(EC160B/180B/210B/240B/290B) EECU Electric circuit(EC360B/460B) Machine status indication(IECU) IECU Electric circuit Old instrument panel circuit Power ON/OFF procedure Indicator operation MCD(Machine Display Center) operation X1 option flow setting Pop-up indicator Code lock(Anti-theft) Error Message(ECU) Error Message(Comunication & Elec. system) Error Message(Hydraulic system) Error Message(Engine) Error Message(Engine) Old start circuit(EC160B/180B/210B/240B/290B) Start circuit ( Old alternator & New IECU- EC160B/180B/210B) Start circuit ( New alternator & Old Inst. panel-EC240B/290B) Start circuit ( New alternator & New IECU- EC160B/180B/210B/240B/290B) Old start circuit(EC360B/460B) Start circuit ( New alternator & Old Inst. panel-EC360B/460B) Start circuit ( New alternator & New IECU- EC360B/460B) Alternator change Safety relay change(Add time delay function) UPDATE-EC160B~460B-01 UPDATE-EC160B~460B-02 UPDATE-EC160B~460B-03 UPDATE-EC160B~460B-04 UPDATE-EC160B~460B-05 UPDATE-EC160B~460B-05UPDATE-EC160B~460B-05UPDATE-EC160B~460B-06 UPDATE-EC160B~460B-07 UPDATE-EC160B~460B-07UPDATE-EC160B~460B-08 UPDATE-EC160B~460B-09 UPDATE-EC160B~460B-10 UPDATE-EC160B~460B-11 UPDATE-EC160B~460B-12 UPDATE-EC160B~460B-13 UPDATE-EC160B~460B-14 UPDATE-EC160B~460B-15 UPDATE-EC160B~460B-16 UPDATE-EC160B~460B-17 UPDATE-EC160B~460B-18 UPDATE-EC160B~460B-19 UPDATE-EC160B~460B-20 UPDATE-EC160B~460B-21 UPDATE-EC160B~460B-22 UPDATE-EC160B~460B-23 UPDATE-EC160B~460B-24 UPDATE-EC160B~460B-25 UPDATE-EC160B~460B-26 UPDATE-EC160B~460B-27 Machine Information System Change 2. Simplifying electirc circuit by using communication line instead of the various direct electric connection 1. Integration of hardware d Old Instrument panel Sensor & Switch Instrument panel EMS 1450RPM G1 V-ECU E- ECU MDU 13:24 - New MDU (Machine Display Unit) Co - IECU V-ECU - EECU EMS 123456 Hour meter E-ECU I-ECU - Flow control SW Sensor & Switch Electric signal ( On, Off, Resistance) Information link (J1587) Control link (J1939) Buzzer Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 01 - System Layout Change Machine Display Unit Ins trument panel C Old OFF Flow control SW AUTO Emergency control switch A/C controller � � **Flow setting will be done by 123456 Hour meter 2002 RPM MODE 0% New IECU New C OFF Emergency control SW Volvo Construction Equipment Customer Support Remove Flow control SW UPDATE - EC160B~460B - 02 AUTO A/C controller Electronic Control System Overview EMS(E-ECU) MID128 VECU MID187 2002 RPM MODE 0% J1939(CAN) J1587(J1708) MPC(9993892) PC(9998555) MATRIS Interface VCADS Pro Service Display Unit (SD Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 03 VECU Input & Output Travel Att Hammer Pilot Pilot Pilot Pressure Pressure Pressure Switch Switch Switch Rotator Switch Hammer/ Boost/Shear Select B/Float Switch Switch + B1 + B2 RH Switch B/Float Fuel Au Position level Alternator gre Pressure sensor cont Switch P/Max Engine Select Speed Control SW Switch Auto Idle Start Select Switch Switch NEW Quick Fit Switch A Overload warning select switch Buzzer Stop Confirm Switch A A A A/M SW position Battery Relay A Flow Control Valve Power Shift Valve SDU Volvo Construction Equipment Customer Support VECU Status Auto/ Manual Switch B/Float Sol. Travel Speed Select Switch Power Boost Overload warning pressure SW NEW NEW Boom & Arm conflux cutoff Relay NEW Hyd. oil cooling fan(EC360B/460B) V-ECU UPDATE - EC160B~460B - 04 2002 RPM P MODE Resistor Box 0% IECU NEW NE Control Circuit(EC160B~EC460B) F27 10A 5 1 3 87a 5 3 2 86 87a 30 5 4 85 87 1 87a 3 5 EMS DATA RECORD EB9 EB10 EECU JA23 JA70 VECU JA21 Auto grease "IND" UP DOWN Safety lever Neutral SS to Safety Relay JA20 Boom float Quick fit Rotator Safety lever 1 1 3 7 P/Shift Ground JB16 VECU operating power 1 2 3 4 5 AUTO MANU 5 OFF OFF 1 5 OFF *** Flow control Signal JA56 Flow control Ground JA30 JB11 (+24V) JA39 (0.5~4.5) JA14 (GND) Power shift Signal JA32 Q/fit Confirm JA42 Overload Press.(adj.) JA41 Travel Press.(20k) JA43 Att. Press.(20k) JA19 Hammer Press.(7k) JA66 Float press.(7k) JA17 JA67 Buzzer stop JA16 1 5 OFF Auto. Idle Overload warning select Power Max. select JA44 JA46 JA12 Hyd. oil cooling fan JA36 Power Boost Conflux cutoff JA59 Floating JA37 JA5 JB15 ## P/V Flow Control P/V Engin RPM Ctrl.SW Power Shift P/V P/V Resistor Box Volvo Construction Equipment Customer Support 8 A / M to IECU Arm JA61 to Battery relay 3 Power P/V Boom Travel Speed Hammer Hammer select sol. Shear select sol. JA7 to alternator 2 JB7 JB8 JA33 JA69 Shear position JA45 Auto grease JA21 Battery Relay JA61 Altenator”L” JA7 T/speed select SW Quick Fit SW L/H 1 JB9 Hyd. oil temp. sensor JA40 Fuel level JA47 JA22 JA24 JA48 JA1 JA25 JA49 JA26 JA2 JA60 JA35 Key on "ACC" JB9 JB2 J1939 8(A) 9(B) VECU status J1587 ## Key start "R2" JB2 Hammer position JA68 Boost position JB1 1 5 Quick Fit SW R/H Neutral A/M ILL. SW from Auto / Work lamp Manual SW Travel speed control JA38 T/Speed SW position JA18 OFF F12 15A R/H J/S Center button EB26(B) EB25(A) 3(A) 4(B) EB2(L) EB1(H) Clock 87 R4 4 85 EB11 EB12 (L)JB6 (H)JB14 JB13 JB5 87 1 EB4 JA13 30 F13 10A Safety sol. 3 87a key "#" key "*" key "V" key ">" "enalber" "data" "clock" Power for solenoid Power for solenoid 4 85 30 JA15 (GND)JA63 1 87 2 86 7 86 (B)JB4 (A)JB12 30 4 85 R1 8 R3 2 EMS POWER JA34 R/H J/S RH button 86 9 13 Service Socket 14 1 2 3 4 5 6 7 10 11 F25 10A 1 2 3 4 5 6 POWER FROM BATTERY IECU(NEW) 10 ## EC360B/460B Only (Hyd. oil temp. sensor & Hyd. oil cooling fan speed control sol.) 2 5 F16 15A 1(H) 2(L) *** EC290B Only ( 1 Conflux cutoff sol.) Hammer Boost Shear select SW 1 2 3 4 5 6 7 8 6 SDU / MATRIS / VCADS PRO F15 20A Key ES "ACC" IECU operating power POWER FROM BATTERY RELAY R2 F24 5A F01 10A UPDATE - EC160B~460B - 05 6 EECU Electric Circuit( EC160B/180B/210B/240B/290B) 1 n 2 Engine speed sensor ,crank 1 n Fuel temp. Coolant Oil temp. press. 1 (-) 18 (+) 31 Cyl 1 Cyl 5 Con 3 4 (+) Cyl 6 2 1 7 Cyl 3 New Boost Press. & temp. 3 2 Cyl 4 36 Engine speed sensor ,cam Cyl 2 E-ECU Solenoid valve on unit injection pump 2 (+) (-) 30 13 25 14 3 2 (-) 4 (-) 5 12 (-) 11 23 22 24 35 36 34 Connector A 25 Connector B 4 1 Ambient air press. 2 25 26 9 10 11 12 7 17 8 3 13 (-) 31 (-) Preheat relay 3 4 24V(+) GND J1708_B J1708_A J1939_L J1939_H Volvo Construction Equipment Customer Support 2 Coolant level Inlet press. Inlet temp. AH to Fuse 140A Power from fuse 25 Emergency speed control 1 5 36 (-) Preheat coil UPDATE - EC160B~460B - 05-1 Con EECU Electric Circuit( EC360B/460B) 1 n Engine speed ,crank 1 2 n 2 Coolant temp. Oil Oil temp. press. Boost Boost temp. press. 2 4 4 2 2 4 (+) (-) 18 31 1 3 Cyl 5 1 (+) (-) 30 Cyl 1 Con 1 3 (+) Cyl 6 2 1 7 Cyl 3 Fuel press. 36 Engine speed ,cam E-ECU Solenoids on injection pump Cyl 2 Cyl 4 25 1 14 2 3 (-) 4 (-) 27 5 (-) 12 11 23 22 24 35 36 34 Connector A 4 25 Barometer Connector B 1 2 25 26 9 10 11 12 7 17 8 3 13 (-) 31 (-) Emergency J1939 J1939 Speed H (A) L (B) J1708 J1708 A B Ground 2 3 4 AH to Fuse 140A 36 Preheat relay 1 5 (-) Power supply Power from fuse Coolant level Inlet (air) Inlet (air) press. temp. (filter clogging) 25 Preheat coil Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 05-2 Con Machine Status Indication (IECU) Group Name Lamp Gauge 1450RPM G1 13:24 Central warning lamp Fuel level gauge Engine coolant temperature gauge Indicator Parking brake lamp Brake oil pressure warning lamp Steering pressure low Oscillation lock Alignem ent Working l ights lamp (* High beam lamp) Left/right turn signal lamp Engine oil pressure warning lamp Engine coolant temperature warning lamp Coolant level lamp Air cleaner clogging warnin g lamp Air preheating lamp Hy draulic oil tem perature warning Hy draulic oil filter clogging Battery charge warning lamp Quickfit lamp Overload warning lamp Power booster Float operation indicator Hammer selecting indicator Shear selecting indicator MCD Electronic Display Unit (Message Center Display) Red Red Red Red Yellow Green Blue Green Red Red Red Yellow Yellow Red Yellow Red Red Red Green Green Green Green Key - Buzzer Up Down Scroll Confirm Buzzer Real time Real time clock Clock Volvo Construction Equipment Customer Support Color UPDATE - EC160B~460b - 06 JA34 H TO VECU Volvo Construction Equipment Customer Support L A B Auto/Manual SW position VECU STATUS VECU JB16 21C7 (ILLU.LAMP) 21C10 21C8 21C4 (J1587 B) 21C3 (J1587 A) 21C2 (J1939 L) 21C1 (J1939 H) 21C9 UPDATE - EC160B~460B - 07 IECU From work lamp switch 5 10 SHEAR HAMMER BOOM FLOAT POWER BOOST OVER LOAD QUICK FIT CHARGE HYD FILTER HYD TEMP PRE HEAT AIR CLEANER COOLANT LEVEL COOL TEMP E/OIL PRESS LH/RH TURN HIGH BEAM ALIGNE AXLE LOCK STEER PRESS. BRAKE FAIL PARK BRAKE CENTRAL WARNING F1 10A 21C5 (CLOCK) 21C6 KEY ON From battery From battery relay IECU Electric Cirucit F16 15A W/TEMP FUEL Volvo Construction Equipment Customer Support C11 C16 10 1 20 11 Connector C UPDATE - EC160B~460B - 07-1 VECU VECU Connector D 1 10 11 20 Alternator "D+" VECU Grease Cont. B+ VECU VECU C7 C10 C8 C12 D2 C14 C17 C13 C15 C20 D6 D14 D3 D11 D1 Buzzer stop C9 Confirm C19 B+ Buzzer Alternator "W" C18 D20 High beam Em'cy operation LH turn RH turn Hammer Shear Powr boost Axle lock ILL ILL Charge Engine oil Coolant temp. Air cleaner Brake failure Auto grease Overload Preheating Fuel warmer Quick fit Water seperator Hyd. oil temp. Coolant level Boom float Spare D12 Em'cy ready D5 Parking D13 D10 D17 D19 D18 D7 C2 D9 C3 B+ B+ B+ B+ B+ B+ B+ B+ B+ B+ B+ Old Instrument Panel Circuit Power On/Off procedure Power Key on -> 3 sec. Key Off -> 3 sec. (After receiving “off” signa Centeral warning lamp On for 3 sec. off Gauge all segment “On” immediatly Indicator all lamp “On” for 3 sec. MCD (Message Center Display) all segment “Off” immediatly Off 0 RPM I2 EC210B Gauge back light MCD back light Button back light Buzzer Button Volvo Construction Equipment Customer Support 800RPM I2 13:24 13:24 On Off Warning sound 2 times Locked(no response) Silent Locked(no response) UPDATE - EC160B~460B - 08 Indicator operation Telltale Engine oil pressure low On Blink A larm Overload warn Brake oil pressure low Quickfit open Steering pressure low Battery no-charge Air cleaner clogging On On On On On On Blink Blink Blink Blink Blink Blink A larm A larm A larm A larm Caution Caution Coolant level low Hy draulic oil temperature high On On Blink Blink Caution Caution Hy draulic oil filter cloggi ng On Blink Caution Air preheating Alignment Parking brake High Beam (Working lamp) Left/right turn signal Hammer selecting Shear selecting Power boost operating Oscillation lock Float operation On On On On On On On On On On X X X X X X X X X X X X X X Alarm X X X X X Caution : One sound pulse 1000ms Alarm : Two sounds pulses every secon 500ms 500ms (2) Quick fit buzzer stop & Co a) Open Q/fit open VECU Caution Operation Indicator Central Buzzer warning Sound Engine coolant temperature high On Blink A larm b) Buzzer stop Q/fit open VECU Alarm Sym ptom Buzzer stop c) Q/fit engage & Confirm Q/fit engage VECU Category (1) Buzzer Sound spec. Confirm Buzzer Alarm sound will last until operator pushes confirm button of IECU Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 09 MCD operation *** 800RPM I2 01 2 3 EC210B Input password 01 2 3 13:24 1 24 13:24 24.04.2004 x1: 120L 1111 hour 100 L 120 L X1 140 L X1 100 L 30 min 110 L X1 100 L * 01 2 3 ** 01 2 3 *** ***Time setting 111.1 H 1 24 13:24 24.04.2004 28.2 V 01 2 3 **** EC210B S.No:12345 Press for more than 2 sec. No Error ECU or 187 SID 254 12 Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 10 X1 Option flow setting (3) Max. & Min. flow at rate (1) Parameter programming : X1 option(ON) VCADS Pro 1) X1 option "ON" 800RPM I2 VECU MID187 13:24 EC160B x1: 100L EC180B Present setting flow at rated engine rpm EC210B (2) Flow setting 1111 hour X1 100 L Changing unit(LPM/GPM) by pressing this button EC240B 100 L 120 L X1 140 L Display : Min.(20L), Max(480L) 110 L X1 100 L EC290B Fine setting : Resolution(5L) EC360B EC460B Volvo Construction Equipment Customer Support Pump f (Lpm / G Model UPDATE - EC160B~460B - 11 Max. 143/3 Min. 30/8 Max. 143/3 Min. 30/8 Max. Min. 200/5 40/11 Max. 230/6 Min. 40/11 Max. 250/6 Min. 40/11 Max. 280/7 Min. 40/11 Max. 345/9 Min. 40/11 Pop-up indicator Overload selection (not warning) Auto grease 800RPM I2 13:24 800RPM I2 13:24 ** If two pop-up indicators are activated at the same time, The indicator of highest priority is Priority ( 1 : Overload selection, 2 : Auto grease) Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 12 Code Lock(Anti-theft) (2) After Code Lock enabled, Key "ON" (1) Parameter programming IECU 01 23 1) Code Lock option "ON" VCADS Pro 01 23 3) Input Note) Wrong code 4 times, 10 min. system locking. password No 5) Send confirmed result * 2) Save Password code 0 RPM Saved code Yes = Entered code 01 23 I2 ** 13:24 01 23 01 23 **** (3) VECU abnormal 1) Request "SHUTDOWN" No 01 23 5) Request EECU to release "SHUTDOWN" 4) Send confirmed result * Saved code Yes = Entered code Save the latest confirmed time at IECU *** 01 23 **** EC210B 0 3) Press for more than 2 sec. Volvo Construction Equipment Customer Support RPM T 13:24 VECU 01 23 Saved optio for code from previous EECU 01 23 ** 4) Press for more than 2 sec. (4) IECU abnormal IECU 01 23 EC210B Save the latest confirmed time at IECU *** 2) Input password 1) Save option status for code lock at VECU UPDATE - EC160B~460B - 13 I2 Error Message (ECU) (1) VECU ECU 187 SID 254 12 *** Error From Signal FMI Code MID Code 11 187 SID 240 2 187 SID 253 2 187 SID 254 12 ***Auto/manual switch is Auto position and there is no VECU status signal. Central Warning lamp Blink Blink Blink Blink Error From Code MID 12 128 128 128 128 128 Central Warning lamp Blink Blink Blink Blink Blink Buzzer A larm A larm A larm A larm Program m Data set m Controller Controller ECU 187 no signal (2) EECU ECU 128 SID 254 12 Volvo Construction Equipment Customer Support Signal SID 240 SID 253 SID 253 SID 253 SID 254 FMI Code 2 2 12 13 12 UPDATE - EC160B~460B - 14 Buzzer A larm A larm A larm A larm A larm Program m Data set m Bad compo out of calib Controller Error Message (Communication & Electric system) (1) J1939 - CAN Bus ECU ECU 187 SID 231 12 Error From Code MID 13 128 128 128 187 187 Signal FMI Code SID 231 SID 231 SID 231 9 11 12 Central Warning lamp Blink Blink Blink SID 231 SID 231 9 12 Blink Blink Buzzer caution caution caution caution caution Communica J1939 Othe J1939 defec component Communica J1939 defec component (2) J1587 - Information Bus ECU ECU 187 SID 250 12 Error From Code MID 14 128 187 187 Signal SID 250 SID 250 SID 250 FMI Code 12 9 12 Central Warning lamp Blink Blink Blink Buzzer caution caution caution Communica J1587 Com J1587 defec component (3) Battery 187 SID 251 0 Volvo Construction Equipment Customer Support Error From Code MID 21 187 187 Signal SID 251 SID 251 FMI Code 0 1 Central Warning lamp Blink Blink UPDATE - EC160B~460B - 15 Buzzer caution caution Battery volta Battery volta Error Message (Hydraulic system) (1) Power shift proportional valve 187 PPID 1190 3 Error From Code MID 31 187 187 187 Signal FMI Code PPID 1190 3 PPID 1190 4 PPID 1190 5 Central Warning lamp Blink Blink Blink Buzzer caution caution caution Power shi Power shi Power shi (2) Pedal pressure sensor 187 PID 91 3 Volvo Construction Equipment Customer Support Error From Code MID 33 187 187 187 Signal PID 91 PID 91 PID 91 FMI Code 3 4 5 UPDATE - EC160B~460B - 16 Central Warning lamp Blink Blink Blink Buzzer caution caution caution Pressure s Pressure s Pressure s Error Message (Engine) (1) Boost temperature sensor 128 PID 105 3 Error From Code MID 42 128 128 128 Signal PID 105 PID 105 PID 105 FMI Code 3 4 11 Central Warning lamp Blink Blink Blink Buzzer caution caution caution too high vo too low vol Not identifi (2) Speed sensor ( flywheel ) 128 SID 22 2 Error From Code MID 43 128 128 128 128 128 Signal SID 22 SID 22 SID 22 SID 22 SID 22 FMI Code 2 3 8 0 14 Central Warning lamp Blink Blink Blink Blink Blink Buzzer caution caution caution caution caution Intermittern too high vo A bnormal valid, but to Special ins (3) Boost pressure sensor 128 PID 102 3 Volvo Construction Equipment Customer Support Error From Code MID 44 128 128 128 128 Signal PID 102 PID 102 PID 102 PID 102 FMI Code 3 4 11 2 UPDATE - EC160B~460B - 17 Central Warning lamp Blink Blink Blink Blink Buzzer A larm A larm A larm Alarm too high vo too low vol Not identifi Intermitter Error Message (Engine) (4) Preheater Error Code 128 PID 45 4 From MID 128 128 Signal FMI Code PID 45 PID 45 3 4 Central Buzzer Warning lamp Blink Caution Blink A larm 128 128 128 128 PID 45 SID 70 SID 70 SID 70 5 3 4 5 Blink Blink Blink Blink Caution A larm Caution Caution S High voltage Low voltage (problem beca always ON) open circuit, di High voltage(C Low voltage too low current (5) Coolant temperature sensor Error Code 128 PID 110 3 From MID 128 128 128 Signal PID 110 PID 110 PID 110 FMI Code 2 3 4 Central Warning lamp Blink Blink Blink Buzzer Alarm Alarm Alarm Intermitte too high v too low vo (6) Oil pressure sensor Error Code 128 PID 100 3 Volvo Construction Equipment Customer Support From MID 128 128 128 Signal PID 100 PID 100 PID 100 FMI Code 2 3 4 UPDATE - EC160B~460B - 18 Central Warning lamp Blink Blink Blink Buzzer Alarm Alarm Alarm Intermitte too high v too low vo Old Start Circuit( EC160B/180B/210B/240B/290B ) To Auto Grease Controller Slow Blow Fuse 40A 40A To Auto Grease Controller F30 10A F16 15A B+ B+ BR R1 R2 C ACC OFF ON START 80A 80A 140A AH To Air Heater Relay Slow Blow Fuse B+ D+ SS From Safety Limit SW B- Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 19 ACC AS4 E Air Con. SW IC Regulator C From VECU (Safety Stop) To VECU R2 To VECU W Start Circuit( Old Alternator & New IECU- EC160B/180B/210B) 40A 40A F30 15A 80A to VECU JA21 PT150 1 2 PT150 RE3101 B+ B+ 3 OFF ON INDI START M AMP 3 L T/E A/S 140A 2 to Air Heater 1 7 8 12 9 AUTO GREASE CONTROLLER B+ JA61 6 0.5W 5 0.5L 4 0.75B 3 0.75Y WB 2 AH to VECU D+ W + M JA7 - IC Regulator to VECU 4 B- Volvo Construction Equipment Customer Support SL from safety lever UPDATE - EC160B~460B - 20 4 1 Start Circuit( New Alternator & Old Inst. panel- EC240B/290B) 40A 40A F16 15A F30 15A 80A to IND. AG PT150 1 2 PT150 B+ B+ BR R1 R2 3 C ACC OFF ON INDI START M AMP 3 L T/E A/S 140A 2 to Air Heater 1 7 8 12 4 1 AH 9 AUTO GREASE CONTROLLER 6 + to VECU 15 L W M - 4 Volvo Construction Equipment Customer Support B- UPDATE - EC160B~460B - 21 JB2 JB9 A/C ES to Relay EMS power I.C REG. BS from safety lever to VECU DFM JA61 to Air Contioner SL B+ to VECU 0.5W 5 0.5L 4 0.75B 3 0.75Y WB 2 Start Circuit( New Alternator & New IECU- EC160B/180B/210B/24 40A 40A F30 15A 80A to VECU JA21 PT150 1 2 PT150 RE3101 B+ B+ 3 OFF ON INDI START M AMP 3 L T/E A/S 140A 2 to Air Heater 1 7 8 12 AH 9 AUTO GREASE CONTROLLER 6 0.5W 5 0.5L 4 0.75B 3 0.75Y WB 2 B+ DFM I.C REG. BS + JA61 SL to VECU from safety lever 15 L W M - 4 B- JA7 to VECU Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 22 4 1 Old Start Circuit( EC360B/460B) To Auto Grease Controller Slow Blow Fuse 40A 40A To Auto Grease Controller F30 10A F16 15A B+ B+ BR R1 R2 C ACC OFF ON START 80A 80A 140A Slow Blow Fuse To Air Heater Relay AH B+ D+ SS From Safety Limit SW B- Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 23 ACC AS4 E Air Con. SW IC Regulator C From VECU (Safety Stop) To VECU R2 To VECU W Start Circuit( New Alternator & Old Instrument panel - EC360B/460 40A 40A F16 15A F30 15A 80A to IND. AG PT150 1 2 PT150 B+ B+ BR R1 R2 3 C ACC OFF ON INDI START M AMP 3 L T/E A/S 140A 2 to Air Heater 1 7 8 12 4 1 AH 9 AUTO GREASE CONTROLLER 6 + to VECU 15 L W M - 4 Volvo Construction Equipment Customer Support B- UPDATE - EC160B~460B - 24 JB2 JB9 A/C ES to Relay EMS power I.C REG. BS from safety lever to VECU DFM JA61 to Air Contioner SL B+ to VECU 0.5W 5 0.5L 4 0.75B 3 0.75Y WB 2 Start Circuit( New Alternator & New IECU- EC360B/460B) 40A 40A F30 15A 80A to VECU JA21 PT150 1 2 PT150 RE3101 B+ B+ 3 OFF ON INDI START M AMP 3 L T/E A/S 140A 2 to Air Heater 1 7 8 12 AH 9 AUTO GREASE CONTROLLER 6 0.5W 5 0.5L 4 0.75B 3 0.75Y WB 2 B+ DFM I.C REG. BS + JA61 SL to VECU from safety lever 15 L W M - 4 B- JA7 to VECU Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 25 4 1 Alternator change NEW B+ DFM BS 15 L W B- D+ + B2 OLD W + B1 EC140B~210B Standard(80A) EC240B~460B Standard(55A) Option(80A) B+ EC140B~460B Standard(80A) D+ B+ W IC Regulator B- Volvo Construction Equipment Customer Support B- UPDATE - EC160B~460B - 26 Safety relay change( Add time delay function) Alternator "L" Key "C" GND Safety lever (1) Old(14526226) Normal operation v KEY SWITCH SAFETY RELAY ST ON *** During the air bleeding procedure fro We need more cranking time to star But at this situation, new alternator p a little bit higer voltage at the termian So this voltage deenergize safety re start motor. To prevent this, we add t function at safety relay. (1) New(14531201) Tum the key Hold key switch on ST switch to ST and position after ON while engine is running engine started. v ST ON Start the engine again after the failure ST ST ON ON t t v v v KEY SWITCH ON OFF t t v r/min t t STARTER Normal operation SAFETY RELAY 2-4 sec. OFF ST ON Tum th Hold key switch on ST switch to position after ON while is run engine started. v ST ST ON ON t t v ***td v t t v r/min t t OFF STARTER OFF OFF r/min ENG r/min ENG OFF t r/min r/min ALT B OFF t t SAFETY RELAY Volvo Construction Equipment Customer Support OFF t ALT Prevent Prevent overrunning restart OFF t t A Prevent overrunning while motor is cranking SAFETY RELAY UPDATE - EC160B~460B - 27 Prevent Prev overrunning rest