Circuit diagrams 7
Wiring diagram
Legend
1B1 Speed actual-value transmitter, 82–85
1B2 Accelerator dual potentiometer, 87–92
1B4 Hydraulic oil temperature sensor, 87
2B1 Joystick, basic functions, 122–127
:1 − 5 V
:2 − Lift/lower
:3 − Tilt forwards/back
:4 − Lift/lower reference
:5 − Tilt forwards/back reference
:6 − 0 V
2B2 Joystick, additional functions, 128–133
:1 − 5 V
:2 − Auxiliary 1
:3 − Auxiliary 2
:4 − Auxiliary 1 reference
:5 − Auxiliary 2 reference
:6 − 0 V
2B3 Lift mast tilt angle dual potentiometer,
142–146
F8 5 A fuse, 85
F9 15 A fuse, 83
N1 LHC electronic traction controller, 81-158
:A01 — Retarder 1Y1
:A02 — Reverse hydraulic pump 1Y3
:A03 — Fan valve 1Y5
:A04 — Forwards hydraulic pump 1Y2
:A05 — Terminal 15
:A06 — GND sensor, lift
:A07 — GND sensor, lift
:A08 — GND sensor, lift
:A10 — GND sensor, drive
:A11 — GND sensor, drive
:A13 — 5 V sensor, drive
:A15 — Exhaust valve
:A17 — Remote control working pump 1Y15
:A24 — Drive potentiometer reference
:A26 — Brake 2
:A32 — Auxiliary 1/B (B1)
:A33 — Auxiliary 1/A (A1)
:A34 — Tilt forwards (A2)
:A35 — Tilt backwards (B2)
:A36 — Lower
:A39 — Seat switch reference
:A45 — 0 V (2/A)/(2/B)
:A48 — 0 V reverse hydraulic pump
:A49 — 0 V fan valve
:A50 — 0 V remote control working pump
:A51 — Lift
:A52 — 0 V lift/lower
:A53 — 0 V tilt forwards/backwards
:A58 — Auxiliary 2/B (B3)
:A59 — Auxiliary 2/A (A3)
:A60 — 0 V (1/A)/(1/B)
:K01 — Terminal 30
:K02 — GND sensor, drive
:K03 — Terminal 30
:K04 — GND sensor, lift
:K05 — Terminal 30
:K06 — Earth
:K11 — Speed actual-value transmitter
:K16 — Code
:K18 — Middle
:K20 — Brake 3
:K23 — Seat switch
:K27 — Hydraulic oil temperature sensor
:K39 — Forwards
:K40 — Backwards
:K41 — Drive potentiometer
:K43 — Brake 1
:K60 — Coding 1
:K62 — Coding 2
:K66 — Suction filter vacuum
:K74 — Exhaust valve 1Y4
:K75 — GND sensor, drive
:K76 — Tilt angle
:K77 — Microfilter pressure switch
:K81 — Tilt angle reference
:K83 — Coding 3
:K86 — Coding 4
:K90 — Terminal 50
:K93 — 5 V sensor, lift
:K94 — 5 V sensor, lift
0N1:K :66 — Engine control unit, 120
0N1:K :89 — Engine control unit, 119
S3 Suction filter vacuum-operated switch, 100
S4 Seat switch, 149–150
1S1 Brake pedal switch 1, 102–103
1S2 Single-pedal drive direction switch, 107–112
X2:1 Brake pedal switch 2, 105
X4 3-pin plug connector (seat switch), 149, 150
X10 18-pin plug connector (central electrical
system), 107–114
:4 — Speed limitation 1
:6 — Brake light
:7 — Continuous reversing signal
:8 — Continuous reversing signal
:9 — Continuous reversing signal
:10 — Flashing reversing signal
:11 — Shovel operation
:12 — Continuous reversing signal
:13 — Driving signal
:14 — Sweeper
:16 — Sweeper indicator light
:17 — Door locking switch, buckle
X11 9-pin plug connector (central electrical
system), 119
:6 — Engine switch-off
:9 — Water trap
1X1 3-pin plug connector (1B1), 83–85
1X2 3-pin plug connector (1S1), 102, 103
1X3 6-pin plug connector, coded plug for dual
pedal identification, 107–111
1X3 + 1S2 6-pin plug connector, drive direction
switch for single pedal, 105–111
2X1 2-pin plug connector (microfilter), 121, 122
2X5 10-pin plug connector (valve block),
138–157
1Y1 Retarder only with H 45/50, 98
1Y2 Solenoid valve "y" forwards, 103
1Y3 Solenoid valve "z" backwards, 105
1Y4 Exhaust valve, 95
1Y5 Fan valve, 100
1Y15 Remote control working pump, 97
2Y1 Lower valve, 135
2Y2 Lift valve, 137
2Y3 Tilt forwards valve, 141
2Y4 Tilt backwards valve, 143
2Y5 Auxiliary valve 1B, 146
2Y6 Auxiliary valve 1A, 148
2Y7 Auxiliary valve 2B, 152
2Y8 Auxiliary valve 2A, 154
2Y9 Exhaust valve, 158
Wire colours
BK Black
BN Brown
BU Blue
GN Green
GY Grey
OG Orange
RD Red
VT Violet
WH White
YE Yellow
The number in front of the wire colour refers
to the wire cross-section.
Wires with unspecified cross-section = 0.75
mm
2
Notes
(a) Wires twisted together
(b) Screened wires
*1) Coding
:60 — H 45/50
:62 — H 40
:83 — H 40/45/50
:86 — H 45/50
Operating Instructions – 394 807 10 01 EN – 07/2011 267
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