Volvo平地机 G930-9电路图

Foreword
This booklet is part of a complete service manual. Read the fore‐word in the service manual.
Always read the booklet Safety before proceeding.
S
1
Content
37 CABLE; FUSE; RELAY
370 General, common info about 371 - 379
Positive feed (7)
Grounding points (frame connections) (7)
Component list 1: Alternator, batteries, capacitors, electronic units (8)
Component list 2: Diodes (9)
Component list 3: Fuses (10)
Component list 4: Heating coils, instruments, service connections (13)
Component list 5: Lights (14)
Component list 6: Control lights/warning lights (17)
Component list 7: Solenoid valves (18)
Component list, Motors (19)
Component list 9: Relays (20)
Component list, PWM valves (22)
Component list 11: Sensors (23)
Component list 11: Sensors (26)
Component list 12: Switches (30)
Additional component list (32)
Electrical components (32)
Explanation of wiring diagrams (34)
Electrical symbols and designations (35)
Wiring diagram 1 – Main diagram/Positive feeds/Chassis connec‐
tions (40)
Wiring diagram 1 – Main diagram/Positive feeds/Chassis connec‐
tions (41)
Wiring diagram 2 Feeds V-ECU, I-ECU (42)
Feeds for: D7 E-ECU, V-ECU, I-ECU (42)
Wiring diagram 2 Feeds V-ECU, I-ECU (43)
Feeds for: D9 E-ECU, V-ECU, I-ECU (43)
Wiring diagram 3 (44)
Function group 2: D7 Engine starter motor, engine preheat (44)
Wiring diagram 3 (45)
Function group 2: D9 Engine starter motor, engine preheat (45)
Wiring diagram 4 – D7 Engine ECU (46)
Wiring diagram 5 (47)
Function group 2: D9 Engine E-ECU (47)
Wiring diagram 6 (48)
Function group 2: D7 E-ECU, unit injectors (48)
Wiring diagram 6 (49)
Function group 2: D9 E-ECU, unit injectors (49)
Wiring diagram 7 (50)
Function group 2: D7 engine fan control, fuel level sensor (50)
Wiring diagram 7 (51)
Function group 2: D9 engine fan control, fuel level sensor (51)
Wiring diagram 8 (52)
Function group 3: headlights, turn signal switch (52)
Wiring diagram 9 (53)
Function group 3: radio, 12V convertor, turn signals, hazard (53)
Wiring diagram 10 (54)
Function group 3: front headlights, cab headlights, marker lights (54)
Wiring diagram 11 – Work lights (55)
Function group 3: work lamps, front / rear / side (55)
Wiring diagram 12 (56)
Function group 3: work lamps, moldboard, 2 or 4 lamp option (56)
Wiring diagram 13 (57)
Function group 3: rotating beacons (57)
Wiring diagram 14 (58)
Function group 3: interior lights, door sensors, clearance lights (58)
3
Wiring diagram 15 (59)
Function group 3: heated mirrors, ambient temperature (59)
Wiring diagram 16 (60)
Function group 3: wipers/washers (front, rear, lower) (60)
Wiring diagram 17 (61)
Function group 3: power outlets, 30A converter, 60A converter (61)
Wiring diagram 18 (62)
Function group 4: gear selector, speed sensors, backup circuit,
clutch sensor (62)
Wiring diagram 19 (63)
Function group 4: transmission solenoids, differential lock (63)
Wiring diagram 20 (64)
Function group 4: D7 engine AWD model, transmission sensors,
solenoids, switches (64)
Wiring diagram 20 (65)
Function group 4: D9 engine AWD model, transmission sensors,
solenoids, switches (65)
Wiring diagram 21 (66)
Function group 4, 2: transmission shift & control, cruise control (66)
Wiring diagram 22 (67)
Function group 5 non-AWD model: brake lights/motor, park brake
system (67)
Wiring diagram 22 (68)
Function group 5 AWD model: brake lights/motor, park brake sys‐
tem (68)
Wiring diagram 23 (69)
Function group 6: secondary steering (69)
Wiring diagram 24 (70)
Function group 8 D7 engine: HVAC system, defrost fan (70)
Wiring diagram 24 (71)
Function group 8 D9 engine: HVAC system, defrost fan (71)
Wiring diagram 25 (72)
Function group 8: heated seat, defrost fan (72)
Wiring diagram 26 (73)
Function group 9 D7 engine, non AWD model: BCS lock cylinder,
hydraulic unload (73)
Wiring diagram 26 (74)
Function group 9 D9 engine, non AWD model: BCS lock cylinder,
hydraulic unload (74)
Wiring diagram 26 (75)
Function group 9 D7 engine, AWD model: BCS lock cylinder,
hydraulic unload (75)
Wiring diagram 26 (76)
Function group 9 D9 engine, AWD model: BCS lock cylinder,
hydraulic unload (76)
Wiring diagram 27 (77)
Spare circuits (77)
Wiring diagram 28 (78)
Function group 9: auxiliary controller (1) with rear float valve
assembly (78)
Wiring diagram 29 (79)
Function group 9: auxiliary controller (1) with rear valve assembly (79)
Wiring diagram 30 (80)
Function group 9: auxiliary controller with front valve asembly (80)
Wiring diagram 31 (81)
D7 Engine communication central buzzer, ECU's (81)
Wiring diagram 31 (82)
D9 Engine communication central buzzer, ECU's (82)
Wiring diagram 32 (83)
Function group keypad (83)
371 Cable; battery disconnector
4
Battery disconnect switch (83)
5
ELEC. SYSTEM; WARNING
SYSTEM; INFORMATION
SYSTEM; INSTRUMENTS
37 CABLE; FUSE; RELAY
370 General, common info about 371 -
379
Positive feed
Regarding: G930, G940, G946, G960, G970, G976, G990
Designation 30, 15, 15E, 15EA, etc. Refer to table.
Table1. Feeds
Designation Function
30Constant voltage feed
15Ignition dependent feed
15E15 feed via relay RE3701
15EA30 feed via ECU relay
15R Ignition dependant feed for radio
5V 5 volt V-ECU sensor feed
Grounding points (frame connections)
Regarding: G930, G940, G946, G960, G970, G976, G990
Designation Location Connected components
31C1Cab, rear deck V-ECU and electrical distribution components
31C2 / 31C5Cab, upper front Components located at the upper front cab
31C3Cab, pedestal I-ECU and components located at the pedestal
31C4 / 31C6Cab, upper rear Components located at the upper rear cab
31F1Front frame Components located at the front frame
31F2Front frame Components located at the front frame nose
31F3Front frame Components located at the front frame
31F4Front frame Components located below the cab
31R1 (D7 only)Rear frame E-ECU and components located at the rear frame
31R2 (D9 only)Rear frame Components located at the rear frame
31R3 / 31R4Rear frame Components located at the rear frame
7
Fig.1 Cab ground locations
Fig.2 Frame ground locations
Component list 1: Alternator, batteries, capacitors,
electronic units
Regarding: G930, G940, G946, G960, G970, G976, G990
8
Table3. Power supply
Designation Description Wiring diagram
AL3201Alternator1
BA3201Battery1
BA3202Battery1
Table4. Control Units
Designation Description Wiring diagram
E-ECU Engine electronic control unit2
I-ECU Instrument electronic control unit2
V-ECU Vehicle electronic control unit2
H-ECU 1Hydraulic electronic control unit 128, 29
H-ECU 2Hydraulic electronic control unit 230
Component list 2: Diodes
Regarding: G930, G940, G946, G960, G970, G976, G990
Table5. Power supply
Designation Description Wiring diagram
DI3801Quench diode, RE37022
DI5201Diode package, brakes22
9
Component list 3: Fuses
Regarding: G930, G940, G946, G960, G970, G976, G990
Fuses on circuit board
Refer to component location diagrams for fuse locations Table6. Fuses on circuit board
Position Designation AMP
Rating Function Wiring dia‐
gram
1FU15Transmission shifter SE4201, Secondary steering test
SW6401, Seatbelt SE8501, & IB service connection
1
2FU25Blade lift accumulator SW9117, Blade control SE9801,
Blade control SW9801
26
3FU35Headlight dimmer SW3502, Throttle mode SW2706, Throt‐
tle control SW2708, Transmission mode SW4202, Engine
mode SW4203, AWD enable SW4401, AWD aggression
SW4403, AWD brake pressure SE5203, Differential lock
SW4601
8
4FU415Vehicle ECU (V-ECU)2 5FU57.5Interior (dome) lights14 6FU615Beacon lights13 7FU77.5Direction indicators9 8FU815Rear worklights11 9FU97.5Side work lights11 10FU105IEGR valve MA25043 11FU115Induction air preheat RE25013 12FU1215Engine ECU (E-ECU), fuse 10, fuse112 13FU135Low beam, right front headlight LA350310 14FU145Low beam, left front headlight LA350210 15FU155High beam, right front headlight LA350510 16FU167.5Front work lights11 17FU1715Moldboard work lights, extra moldboard work lights12 18FU1815Auxiliary hydraulics28 19FU1925HVAC unit24 20FU205Radio/converter9 21FU215Not used27 22FU225Alternator / HVAC & AWD Sensors1 23FU2310Instrument ECU (I-ECU), Vehicle ECU (V-ECU)2 24FU2415Instrument ECU (I-ECU)2 25FU2515Vehicle ECU (V-ECU)2 26FU265Service brakes22 27FU2715Horn / Direction Indicator Flasher8 28FU2815Front defroster fan and air mix control24 29FU297.5Front wiper and washer16 30FU3015Rear and lower wipers and washers16 31FU3110Radio converter9 32FU327.5Ignition switch1 33FU332524V Power outlet17
10
Position Designation AMP
Rating Function Wiring dia‐
gram
34FU3415Cab headlights LA3522, LA3523, LA3524, LA3525, FU35,
& FU36
8
35FU355Left hand side park lights10
36FU365Right hand side park lights, Instrument panel lights rheostat10
37FU3710Back-up lights / alarm18
38FU385High beam left front headlight LA350410
39FU3915Seat air suspension25
40FU4010Heated mirror, heated seat15
41FU415Not used25
42FU4220Not used27
11
Fig.3 Fuses on circuit board 12
Fuse locations (other than on circuit board)
Refer to tables.
Table7. Fuse locations in battery box
Position Designation AMP
Rating Function Wiring dia‐
gram
43FH1125Engine preheating HE25011
44FH275Cab feed1
Table8. Fuse locations with converter installation
Position Designation Rating Function Wiring dia‐
gram
45FH3–17.5 (30 amp converter)
10 (60 amp converter)
12 V power outlet PO390217
46FH3–27.5 (30 amp converter)
15 (60 amp converter)
Accessory power connection17
47FH3–37.5 (30 amp converter)
15 (60 amp converter)
Accessory power connection17
48FH3–47.5 (30 amp converter)
15 (60 amp converter)
Accessory power connection17
Component list 4: Heating coils, instruments,
service connections
Regarding: G930, G940, G946, G960, G970, G976, G990
Table9. Heating coils
Designation Function Wiring diagram
HE2501Engine preheating, introduction air3
HE3601Rear-view mirror lower left15
HE3602Rear-view mirror upper left15
HE3603Rear-view mirror lower right15
HE3604Rear view mirror upper right15
HE8501Operators heated seat25
Table10. Instruments
Designation Function Wiring diagram
IM3803Gauge, fuel level31
IM3807Information display unit31
IM3810Gauge, engine coolant temperature31
IM3811Gauge, engine oil pressure31
IM3812Auxiliary information display unit31
Table11. Service connections
Designation Function Wiring diagram
IB Service connection for VCADS Pro31
13
Component list 5: Lights
Regarding: G930, G940, G946, G960, G970, G976, G990
Refer to component location diagrams for lighting locations. Position Designation Function Wiring Diagram
No.
1LA3501Interior map light, left14
2LA3502Low beam, left, front headlight10
3LA3503Low beam, right, front headlight10
4LA3504High beam, left, front headlight10
5LA3505High beam, right, front headlight10
6LA3506Parking light, left, front headlight10
7LA3507Parking light, right, front headlight10
8LA3510Parking light, rear left10
9LA3511Parking light, rear right10
10LA3512Working light, front left cab11
11LA3513Working light, front right cab11
12LA3514Working light, left, rear cab11
13LA3515Working light, right, rear cab11
14LA3516Interior dome light left14
15LA3517Interior dome light right14
16LA3518Interior map light, right14
17LA3519Working light, left moldboard12
18LA3520Working light, right, moldboard12
19LA3522Low beam, left, cab headlight10
20LA3523Low beam, right, cab headlight10
21LA3524High beam, left, cab headlight10
22LA3525High beam, right, cab headlight10
23LA3526Parking light, left, cab headlight10
24LA3527Parking light, right, cab headlight10
25LA3528Working light, left, extra moldboard12
26LA3529Working light, right side, front11
27LA3530Working light, right, extra moldboard12
28LA3531Working light, right side, rear11
29LA3532Working light, left, rear (E.U.)11
LA4202Back-up light, left, rear (non E.U.)18
30LA3533Working light, right, rear11
LA4201Back-up light, right, rear (non E.U.)18
31LA3534Working light, left side, front11
32LA3535Working light, left side, rear11
33LA3601Rotating warning beacon, rear13
34LA3602Direction indicator, left front headlight9
35LA3603Direction indicator, right front headlight9
36LA3604Direction indicator, left, moldboard9
37LA3605Direction indicator, right, moldboard9
38LA3608Direction indicator, rear left9
14
Position Designation Function Wiring Diagram
No.
39LA3609Direction indicator, rear right9
40LA3611Direction indicator, left, cab headlight9
41LA3612Direction indicator, right, cab headlight9
42LA3613Rotating warning beacon, front cab13
43LA3614Rotating warning beacon, extra rear cab13
44LA3616License plate light10
45LA3617Clearance light, front14
46LA3618Clearance light, rear14
47LA3807Lighting instrument display unit31
48LA3808Lighting instrument display unit31
49LA5201Brake light, right22
50LA5202Brake light, left22
15
Fig.4 Component locations, Lighting 16
Component list 6: Control lights/warning lights
Regarding: G930, G940, G946, G960, G970, G976, G990
Refer to component location diagram for control/warning lights
locations.
Position Designation Function Wiring dia‐
gram
Central warning lamps
1LC3801Central warning (amber)31
2LC3803Central warning (red)31
Warning and control lamps
3LC3201Battery charging (red)1
4LC9106High hydraulic oil temperature (red)31
5LC4202Low transmission oil pressure (red)31
6LC5201Service brake warning (red)31
7LC9801Blade lift system status lamp (amber)26
8LC5501Applied parking brake (red)31
9LC2501Engine air filter restriction (amber)31
10LC9104Filter bypass warning (amber)31
11LC6401Primary steering system (red)31
12LC3501High beam (blue)8
13LC3606Direction indicators (green)9
14LC4605Differential lock status (amber)31
15LC2502Preheating activated (amber)3
16LC6402Secondary steering (amber)23
17LC8501Seat belt (red)25
18LC9105Low hydraulic oil level (red)31
19LC9101All wheel drive charge pressure (red)31
20Display unit
Display unit gauges with warning lamps
21LC2601High engine coolant temperature, warning light31
22LC2301Low fuel level, warning light31
23LC2201Low Engine oil pressure, warning light31
17
Fig.5 Instrument panel control/warning lights
Component list 7: Solenoid valves
Regarding: G930, G940, G946, G960, G970, G976, G990
Table14. Solenoid valves, D7 engine
Designation Function Wiring diagram MA2301Injector 16
MA2302Injector 26
MA2303Injector 36
MA2304Injector 46
MA2305Injector 56
MA2306Injector 66
MA2504IEGR3
Table15. Solenoid valves, fan control
Designation Function Wiring diagram MA2602Fan control, direction7
MA2603Fan control, shutoff7
Table16. Solenoid valves, AWD
Designation Function Wiring diagram MA4401AWD wheel motor 2 speed displacement20
MA4402Wheel motor free wheeling20
MA4403Left wheel motor forward bypass20
MA4404Left wheel motor reverse bypass20
MA4405Right wheel motor forward bypass20
MA4406Right wheel motor reverse bypass20
18
Table17. Solenoid valves, final drive
Designation Function Wiring diagram
MA4601Engagement differential lock19
MA5501Disengagement parking brake22
Table18. Solenoid valves, seat compressor, HVAC
Designation Function Wiring diagram
MA8501Engagement, air ride seat compressor25
MA8701Engagement, HVAC compressor24
MA8702Control HVAC heater valve24
MA8703Control HVAC air mix door24
Table19. Solenoid valves, blade lift, hydraulic unload
Designation Function Wiring diagram
MA9111Engagement hydraulic unload26
MA9117Engagement left high lift accumulator26
MA9118Engagement right high lift accumulator26
MA9801Engagement blade control26
Component list, Motors
Regarding: G930, G940, G946, G960, G970, G976, G990
Table20. Motors, starter
Designation Function Wiring diagram
MO3301Starter motor3
Table21. Motors, wiper/washer
Designation Function Wiring diagram
MO3601Wiper motor, front16
MO3602Washer pump, front16
MO3603Wiper motor, rear16
MO3604Washer pump, rear16
MO3605Wiper motor, front lower right16
MO3606Wiper motor, front lower left16
MO3607Washer pump, lower front16
Table22. Motors, brake booster
Designation Function Wiring diagram
MO5201Brake booster pump motor22
Table23. Motors, secondary steering
Designation Function Wiring diagram
MO6401Secondary steering pump motor23
19
Table24. Motors, HVAC blower, defroster
Designation Function Wiring diagram
MO8702HVAC blower motor left24
MO8703HVAC blower motor right24
MO8801Defroster fan motor front24
Component list 9: Relays
Regarding: G930, G940, G946, G960, G970, G976, G990
Refer to component location diagrams for relay locations
Table25. Relays on circuit board
Position Designation Function Wiring diagram RE 1RE3701Electronic components supply1
RE 2RE3702Vehicle ECU (V-ECU)2
RE 3RE3502Rear & Side work lights11
RE 4RE3602Wipers/washers16
RE 5RE3512Cab headlights8
RE 6RE3501Front work lights11
RE 7RE3507Moldboard work lights12
RE 8RE9101Auxiliary hydraulics28, 29
RE 9RE8701HVAC climate control24
RE 10RE3703Instrument ECU (I-ECU)2
RE 11RE3705Engine ECU (E-ECU)2
RE 12RE8704Defroster fan/air mix/ direction flasher24
RE 13RE Spare27
RE 14RE Spare27
RE 15RE3510Front headlights8
RE 16RE4201Back-up alarm/Lights18
RE 17RE8501Seat air suspension25
RE 18RE3503Heated mirrors, heated seat15
RE 19RE3505Front headlights, high/low beam8
RE 20RE3506Cab headlights, high/low beam8
RE 21RE5201Brake booster motor22
RE 22RE3302Start control3
RE 23RE390224/12 converter17
20
Fig.6 Relays on circuit board
21
Relays (other than on circuit board)
Refer to tables
Table26. Preheater
Designation Function Wiring diagram RE2501Preheating induction air3
Table27. Hydraulic
Designation Function Wiring diagram RE3301Start circuit3
RE6401Secondary steering motor23
Table28. HVAC
Designation Function Wiring diagram RE8703HVAC air mix actuator24
RE8705HVAC air mix actuator24
Table29. Flasher
Designation Function Wiring diagram RF3601Direction indicators9
Component list, PWM valves
Regarding: G930, G940, G946, G960, G970, G976, G990
Table30. PWM valves, D7 engine
Designation Function Wiring diagram PWM2303Control fuel rail4
Table31. PWM valves, fan control
Designation Function Wiring diagram PWM2601Hydraulic fan control, speed7
Table32. PWM valves, transmission
Designation Function Wiring diagram PWM4205Transmission shifting (clutch FA)19
PWM4206Transmission shifting (clutch FB)19
19
PWM4207Transmission shifting (clutch C, HTE840) (clutch F
HTE1160)
PWM4208Transmission shifting (clutch D)19
PWM4209Transmission shifting (clutch E HTE1160)19
PWM4210Transmission shifting (clutch H)19
PWM4211Transmission shifting (clutch L)19
PWM4212Transmission shifting (clutch R)19
Table33. PWM valves, AWD EDC pump control
Designation Function Wiring diagram PWM4401Forward left EDC pump control20
PWM4402Reverse left EDC pump control20
22
Designation Function Wiring diagram
PWM4403Forward right EDC pump control20
PWM4404Reverse right EDC pump control20
Table34. PWM valves, Auxiliary Hydraulic
Designation Function Wiring diagram
28/29
PWM9101Auxiliary Hydraulic (1)
Proportional control
28/29
PWM9102Auxiliary Hydraulic (2)
Proportional control
28/29
PWM9103Auxiliary Hydraulic (3)
Proportional control
30
PWM9104Auxiliary Hydraulic (4)
Proportional control
30
PWM9105Auxiliary Hydraulic (5)
Proportional control
28/29
PWM9121Auxiliary Hydraulic (1)
On/Off control
28/29
PWM9122Auxiliary Hydraulic (2)
On/Off control
28/29
PWM9123Auxiliary Hydraulic (3)
On/Off control
PWM9124Auxiliary Hydraulic (4)
30
On/Off control
30
PWM9125Auxiliary Hydraulic (5)
On/Off control
Component list 11: Sensors
Regarding: G930, G940, G946, G960
Table35. Sensors and monitors, D7 engine
Designation Function Wiring diagram
SE2202Sensor, engine oil temperature4
SE2203Sensor, engine oil pressure4
SE2205Monitor engine oil level4
SE2301Sensor, fuel pressure4
SE2302Monitor, water in fuel4
SE2309Sensor, fuel rail pressure4
SE2501Sensor, induction air temperature4
SE2502Monitor air filter restriction4
SE2507Sensor, charge-air temperature4
SE2508Sensor, charge-air pressure4
SE2603Monitor coolant level4
SE2606Sensor, coolant temperature4
SE2701Sensor, engine crankshaft speed/position4
SE2703Sensor, engine camshaft speed4
23
Fig.7 D7E sensor location 24
Fig.8 D7E sensor locations
Table36. Sensors and monitors, transmission
Designation Function Wiring diagram
SE4202Sensor, transmission oil temperature7
SE4214Sensor, transmission oil pressure18
SE4215Monitor transmission oil filter restriction18
SE4216Sensor, transmission internal shaft speed18
SE4217Sensor, transmission internal shaft speed18
SE4307Sensor, transmission output shaft speed18
SE4308Sensor, transmission output shaft speed18
25
SE4601Sensor, differential lock pressure19
SE5501Sensor, parking brake pressure22
Table37. Sensors and monitors, cab
Designation Function Wiring diagram SE2702Sensor, accelerator pedal position7
SE2704Sensor, accelerator pedal position7
SE4101Sensor, inching pedal position18
SE4102Sensor, inching pedal position18
SE4201Transmission gear selection position18
SE8301Monitor left door position14
SE8302Monitor right door position14
SE8501Monitor seatbelt position25
Table38. Sensors and monitors, AWD
Designation Function Wiring diagram SE4401Sensor, right front wheel speed20
SE4402Sensor, left front wheel speed20
SE5203Sensor, brake circuit pressure22
SE9106Sensor, AWD pump charge pressure26
SE9108Monitor AWD hydraulic filter restriction26
Table39. Sensors and monitors, miscellaneous
Designation Function Wiring diagram SE2303Monitor fuel level7
SE2607Sensor, hydraulic fan speed7
SE3201Sensor, alternator voltage1
SE3802Sensor, ambient air temperature15
SE5201Monitor brake booster pressure22
SE5215Monitor brake circuit differential pressure22
SE6401Sensor, steering pressure23
SE8701Monitor AC refrigerant pressure24
SE8702Monitor AC evaporator temperature24
SE9104Monitor hydraulic oil level26
SE9105Sensor, hydraulic oil temperature7
SE9107Monitor hydraulic filter restriction26
SE9801Monitor blade control position26
Component list 11: Sensors
Regarding: G970, G976, G990
Table40. Sensors and monitors, D9 engine
Designation Function Wiring diagram SE2202Sensor, engine oil temperature5
SE2203Sensor, engine oil pressure5
SE2205Monitor engine oil level5
26
SE2301Sensor, fuel pressure5
SE2302Monitor, water in fuel5
SE2501Sensor, induction air temperature5
SE2502Monitor air filter restriction5
SE2507Sensor, charge-air temperature5
SE2508Sensor, charge-air pressure5
SE2509Sensor, engine crankcase pressure5
SE2603Monitor coolant level5
SE2606Sensor, engine coolant temperature5
SE2701Sensor, engine crankshaft speed/position5
SE2703Sensor, engine camshaft speed5
27
Fig.9 D9B sensor locations 28
Fig.10 D9B sensor locations
Table41. Sensors and monitors, transmission
Designation Function Wiring diagram
SE4202Sensor, transmission oil temperature7
SE4214Sensor, transmission oil pressure18
SE4215Monitor transmission oil filter restriction18
SE4216Sensor, transmission internal shaft speed18
SE4217Sensor, transmission internal shaft speed18
SE4307Sensor, transmission output shaft speed18
SE4308Sensor, transmission output shaft speed18
SE4601Sensor, differential lock pressure19
SE5501Sensor, parking brake pressure22
29
Table42. Sensors and monitors, cab
Designation Function Wiring diagram
SE2702Sensor, accelerator pedal position7
SE2704Sensor, accelerator pedal position7
SE4101Sensor, inching pedal position18
SE4102Sensor, inching pedal position18
SE4201Transmission gear selection position18
SE8301Monitor left door position14
SE8302Monitor right door position14
SE8501Monitor seatbelt position25
Table43. Sensors and monitors, AWD
Designation Function Wiring diagram
SE4401Sensor, right front wheel speed20
SE4402Sensor, left front wheel speed20
SE5203Sensor, brake circuit pressure22
SE9106Sensor, AWD pump charge pressure26
SE9108Monitor AWD hydraulic filter restriction26
Table44. Sensors and monitors, miscellaneous
Designation Function Wiring diagram
SE2303Monitor fuel level7
SE2607Sensor, hydraulic fan speed7
SE3201Sensor, alternator voltage1
SE3802Sensor, ambient air temperature15
SE5201Monitor brake booster pressure22
SE5215Monitor brake circuit differential pressure22
SE6401Sensor, steering pressure23
SE8701Monitor AC refrigerant pressure24
SE8702Monitor AC evaporator temperature24
SE9104Monitor hydraulic oil level26
SE9105Sensor, hydraulic oil temperature7
SE9107Monitor hydraulic filter restriction26
SE9801Monitor blade control position26
Component list 12: Switches
Regarding: G930, G940, G946, G960, G970, G976, G990
Table45. Switches
Designation Function Wiring diagram SW2706Throttle mode, auto/hold21
SW2708Throttle control, increase/decrease/resume21
SW3301Ignition1
SW3501Front headlights8
SW3502High/low beams function selector8
SW3503Interior map light, left14
SW3504Work lights, front11
30
Designation Function Wiring diagram SW3505Work lights, rear11
SW3507Interior dome light, left14
SW3508Interior dome light, right14
SW3509Interior map light, right14
SW3510Work lights, moldboard12
SW3511Work lights, side11
SW3512Cab headlights8
SW3514Work lights, 2 position switch for extra moldboard lights12
SW3601Heated mirrors15
SW3602Windshield wiper, front16
SW3604Horn8
SW3605Direction indicators8
SW3606Hazard flasher9
SW3607Rotating beacon, rear/front13
SW3608Windshield washer, front16
SW3609Rotating beacon, extra rear13
SW3610Windshield wiper, rear16
SW3611Windshield washer, rear16
SW3612Windshield wiper, lower front16
SW3613Windshield washer, lower front16
SW3701Battery disconnect switch, battery ground1
SW3801Keypad for information display unit32
SW4202Transmission mode, travel/manual/automatic21
SW4203Engine mode, speed/power21
SW4401AWD enable20
SW4403AWD aggression20
SW4601Differential lock19
SW5201Service brake, apply22
SW5501Park brake18
SW6401Secondary steering test23
SW8501Seat heating25
SW8502Seat, air suspension control25
SW8701HVAC, air conditioning enable24
SW8702HVAC, fan speed control24
SW8703HVAC, temperature control24
SW8704HVAC, air mix/defroster fan24
SW9106Auxiliary hydraulics enable with float28
SW9107Auxiliary hydraulics enable29
SW9111Auxiliary hydraulic control, lever 128, 29
SW9112Auxiliary hydraulic control, lever 228, 29
SW9113Auxiliary hydraulic control, lever 328, 29
SW9114Auxiliary hydraulic control, lever 430
SW9115Auxiliary hydraulic control, lever 530
SW9117High lift, hydraulic accumulator26
SW9801Blade lift system26。