Hitachi zx800 electrical ciricuit

Attach to Vol. No. : TT17VE-00

ZAXIS800 ELECTRICAL CIRCUIT DIAGRAM
CAB OUTSIDE

CAB INSIDE

MONITOR

CONTROLLER

CAB INSIDE

MONITOR INDICATOR

POWER INPUT
BACKUP POWER INPUT
GLOW INPUT

POWER
CIRCUIT
HOURMETER DATA COMMUNICATION OUTPUT
SERIAL COMMUNICATION TXD
SERIAL COMMUNICATION RXD
FUEL SIGNAL
COOLANT TEMP. SIGNAL

FUEL
GAUGE

FUEL GAUGE #4257128

EC DIAL SIGNAL INPUT
B

EC DIAL SIGNAL INPUT(GND)

ACC(LOAD)

S

BATTERY RELAY

LIQUID CRYSTAL

ALT(LOAD)
A

WIPER SIGNAL INPUT
WIPER SIGNAL INPUT

E

FUSIBLE LINK(75A)

REG INPUT

POW. ON

POWER ON

INTERIOR
ILLUMINATION INTERIOR ILLUMINATION
POWER INPUT

SATELLITE / PC

BACK UP

COOLANT
GAUGE

GLOW RELAY

MAIL SW
CONNECTION SW

REG. INPUT

NOT IT SMJ
FUSIBLE LINK(45A)

BATTERY 12Vx2

WIPER SIGNAL INPUT(GND)
LOAD DUMP
RELAY

MONITOR(STD)

AIR FILTER

LIQUID CRYSTAL SWITCH

AUTO LUB.

JOINT B

BACKUP
CONTROLLER
EC MOTOR
SOLENOID
TRAVEL ALARM
POWER ON
SW BOX
LUBRICATOR

LIGHT
WIPER
HEATER
A/C OFF RELAY
HORN
RADIO
LIGHTER
ROOM LAMP
AUX.
GLOW RELAY

OVERHEAT

JOINT A

STARTER
SAFETY RELAY

CAB OUTSIDE

MONITOR

STARTER SW.

WATER TEMP. SWITCH

LOW FILTER

INDICATOR RESET SW

GLOW SIGNAL

DIGGING MODE SW

WORK LIGHT
CHARGE

ROOM LAMP

MAIN
POWER

ENG. OIL PRESS

WIPER MOTOR

AUX1

CONTROLLER

AUX2

MAIN
GND

ENG. OIL LEVEL

LIGHTER

COOLANT LEVEL
AUX3
AUTO LUB ALARM

FUEL PUMP SW

PRESTISION MODE SW.

MONITOR
CONNECTION GND
MCX
CONNECTION GND
DIGITAL GND

QUICK IDLE

ALTERNATOR
WARNING LAMP LAYOUT

FUEL PUMP

AUX3 EXT
ENG. OIL LEVEL EXT
COOLANT LEVEL EXT
AIR FILTER CLOG ALARM SW INPUT
CHARGE EXT
WORK LIGHT SW INPUT
LOW FUEL EXT
GLOW EXT
AUX2 SW INPUT
AUTO LUB ALARM
PRESTISION MODE SW.
QUICK IDLE

LIGHT 1

GLOW RELAY
SPEAKER(R)

BREAKER
SPEAKER(L)

WIPER

DIGGING MODE LED

OPTION POWER

RADIO

JOINT A

AUTO EP

LOAD DUMP RELAY OUTPUT
LIGHT RELAY 1 OUTPUT
LIGHT RELAY 2,3 OUTPUT
WIPER C RELAY OUTPUT
WIPER BM RELAY OUTPUT
WIPER A RELAY OUTPUT
WASHER RELAY OUTPUT

GLOW PLUG

WASHER RELAY
WIPER
RELAY A

WIPER
RELAY B3

WIPER
RELAY B1

AUTO IDLE

PULL-UP

FUEL
PUMP

RELAY CIRCUIT

BUILT-IN FUEL PUMP

WIPER
RELAY B2
MONITOR HARNESS

COOLANT TEMP (#4436537)
ENG. OIL LEVEL SW(BUILT IN ENG)
ENG. OIL PRESS SW(BUILT-IN ENG)

ENG. OIL PRESS SW INPUT
OVERHEAT SW INPUT
ENG. OIL LEVEL SW INPUT
COOLANT LEVEL SW INPUT
AUTO IDLE SW INPUT
AUTO ACCEL SW INPUT
WASHER SW INPUT
LIGHT SW 2 INPUT
LIGHT SW 1 INPUT
WIPER / WASHER EN SW INPUT
BACKUP EN SW INPUT
AUX 1 SW INPUT
HOUR METER STOP

OVERHEAT SW #4371318
AUTO IDLE
AUTO ACCEL

WASHER SW

LIGHT SW
SIGNAL

INTERIOR
ILLUMINATION

MODE1 SIGNAL OUTPUT

WIPER (HD CAB)

WIPER / WASHER MODE SIGNAL OUTPUT

SIGNAL

CAB HARNESS

HIGH
SLOW

WIPER VR

INTERIOR
ILLUMINATION

POWER INPUT

MODE2 SIGNAL OUTPUT

WASHER

COOLANT LEVEL SW #4153251
AIR CLEANER SW #44121963

LUBRICATOR

ENG. CONTROL DIAL

LUBRICATOR UNIT

TRAVEL MODE SW

BUZZER
FRONT WINDOW:ON

HP/P/E MODE

SW BOX

LIGHT RELAY 3
WORK LIGHT (STD,HD CAB)

BOX GND

NOMAL:OPEN

WIPER (HD CAB)

LIGHT

LIGHT RELAY 2
WORK LIGHT (STD,HD CAB)

AUTO LUB
RELAY 1

BOOM LIGHT(R)

LIGHT RELAY 1
AUTO LUB
(OPT.)

BOOM LIGHT(L)
(TEST MACHINE ONLY)

AUTO LUB RELAY 1

WORK LIGHT (R FENDER)
BOX EARTH

BOOM
MODE SW.

HORN SWITCH

LEARNING SW

QUICK IDLE SW.

HORN (L)

ENG
NATURAL

LOAD ALARM ; EN

BOOM BOTTOM PRESS (S)
BOOM ROD PRESS (S)

ML CRANE
HORN (H)

AUTO LUB ALARM

VALVE

COMPRESSOR

HEATER

FRONT VENT SERVO MOTOR (MV2)

INSIDE OUTSIDE CHANGE
SERVO MOTOR (MRF)

MOTION
ALARM

SWING SIGNAL

HORN RELAY
HORN SIDE /
MALE ON
BOTH SIDE

MOTION
ALARM
CANCEL (OPT)

AUTO LUB LIMIT SW
AUTO LUB SELECT SW 1
AUTO LUB SELECT SW 2
AUTO LUB MOTOR FORWARD (COMP)
AUTO LUB MOTOR REVERSE (DECOMP)

PRECTISION
MODE SW.

KEY
MAIN
SOLENOID EC MOTOR
SIGNAL POWER
POWER
POWER

AUTO LUB
CONTROLLER

BLOWER
MOTOR (MB)

MAIN
GND

BLOWER MAIN RELAY

COMP. CLUTCH RELAY

BLOWER RESIST. (BLC)

A/C
CONTROLLER

VENT SERVO MOTOR (MV1)

SOLENOID
GND

A/M SERVO MOTOR (MAM)

SHIELD
INSIDE TEM. SENSOR (THI)
FROST SENSOR (THI)
SOLAR RADIATION SENSOR MONITOR
PRESSURE SWITCH

WATER TEM.
SENSOR (THW)

MOTOR

PUMP 2
(5-SPOOL)
PRESSURE SENSOR (HIGH)

DELIVERY
PRESS
SENSOR 1

A
SENSOR 1

PUMP 1
(4-SPOOL)
PRESSURE SENSOR (HIGH)

PRESSURE
SENSOR (LOW)

FRONT+ ARM
SWING ROLL-IN

BOOM
RAISE

BUCKET

TRAVEL SWING

PRESSURE SENSOR (LOW)

PRESSURE SENSOR (LOW)

SWING
PRIORITY

EC
SENSOR

A
SENSOR 2

LEVEL REGULATED
CONTROL
PRESSURE 1
(4-SPOOL)(SA)

DELIVERY
PRESS
SENSOR 2

LEVEL REGULATED
CONTROL
PRESSURE 2
(5-SPOOL)(SB)

HEATER UNIT (OPTION)

HYD. TEMP
SENSOR

PUMP 1
SOLENOID

SOLENOID
VALVE UNIT

PUMP 2
SOLENOID

BOOM
MODE

AMBIENT
SENSOR

CAB
OUTOSIDE

TRAVEL
MODE

CAB
INSIDE

C/W
REMOVAL

A/C UNIT

N
SENSOR