Controller Input and Output Values
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345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
[SENR1935]
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Speed Sensor - Replace
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
No Power Supply to Controller - Troubleshoot
ELECTRICAL AND STARTING SYSTEM
ELECTRONICS GP-MACHINE
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Swing Is Inoperable - Troubleshoot - 410A
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Automatic Travel Speed Change Is Abnormal - Troubleshoot - 4107, 4204, and 4207
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Controllability Is Bad in Boom Priority Mode - Troubleshoot - 4106
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Voltage Specifications For Connector 1     | |||
No.     | Item     | Voltage In Normal Condition     | Measurement Point     |
1     | +Battery     | 18 DCV to 32 DCV     | GND     |
2     | GND     | 0 volts     | GND     |
3     | Starter Switch     | 18 DCV to 32 DCV     | GND     |
11     | +Battery     | 18 DCV to 32 DCV     | GND     |
12     | GND     | 0 volts     | GND     |
13     | Engine speed dial switch 1     | Engine speed dial position 1, 2, 5, 6, 9, 10: approximately 0 volts 3, 4, 7, 8, 14 to 17 volts     |
GND     |
14     | Engine speed dial switch 2     | Engine speed dial position 2, 3, 4, 5, 10: approximately 0 volts 1, 6, 7, 8, 9: 14 to 17 volts     |
GND     |
15     | Communications line (RS485+)     | 3.5 to 4.6 volts 3.0 to 4.3 volts     |
GND Conn 1 pin 16     |
16     | Communication line (RS485-)     | 0.1 to 1.2 volts     | GND     |
19     | AVS Data Link (+)     | 3.5 to 4.6 volts     | GND     |
3.0 to 4.3 volts | CONN1, Pin 20     | ||
20     | AVS Data Link (-)     | .1 to 1.2 volts     | GND     |
22     | Fine swing switch (optional)     | Machine with fine swing switch OFF: approx. 0 volts ON: 14 to 17 volts Machine without fine swing switch: approx. 0 volts     |
GND     |
23     | Engine speed dial switch 3     | Engine speed dial position 4, 5, 6, 7, 8, 9, 10: approx. 0 volts 1, 2, 3: 14 to 17 volts     |
GND     |
24     | Engine speed dial switch 4     | Engine speed dial position 8, 9, 10: approx. 0 volts 1, 2, 3, 4, 5, 6, 7: 14 to 17 volts     |
GND     |
30     | Electronic Governor Speed Command     | 1.5 (Low) to 10.5 (High) volts (10% to 92%) Voltage proportional to engine RPM Engine speed dial 1 = Low voltage Engine speed dial 2 = Higher voltage     |
GND     |
31     | RS232C TxD     | Approx. -9.5 volts (SIS component is not connected to conn 1 pin 06)     |
GND     |
32     | RS232C RxD     | Approx. 0 volts (SIS component is not connected to conn 1 pin 06)     |
GND     |
33     | RS232C GND     | 0 volts     | GND     |
34     | Low idle switch     | Low idle switch When operated: approx. 0 volts When not operated: 14 to 17 volts     |
GND     |
35     | Hydraulic Tank Pressure Indicator     | Approx. 0 volts - Indicator OFF and tank is pressurized. 18 to 32 volts - Indicator ON and tank is NOT pressurized     |
GND     |
36     | Hydraulic Tank Pressure Switch     | 14 to 17 volts - Tank is pressurized Approx. 0 volts - Tank is NOT pressurized     |
GND     |
37     | Hammer switch     | Pressure switch for hammer ON: approx. 0 volts OFF: 14 to 17 volts     |
GND     |
39     | Hydraulic oil filter     | Hydraulic oil filter Normal: approx. 0 volts Clogged: 14 to 17 volts     |
GND     |
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Voltage Specifications For Connector 2     | |||
No.     | Item     | Voltage In Normal Condition     | Measurement Point     |
2     | Pump delivery pressure sensor     | 0.7 to 9 volts (Voltage changes in proportion to pump delivery pressure) Standard All control levers in NEUTRAL: 0.7 to 2.5 volts When relieved: 7 to 9 volts     |
GND     |
3     | Proportional reducing valve +     | 1.0 to 11 volts Standard All control levers in NEUTRAL: 6 to 9 volts Lever is operated: voltage goes down     |
GND     |
4     | Proportional reducing valve -     | Approx. 0 volts     | GND     |
6     | Attachment pressure switch     | Attachment pedal operated: approx. 0 volts Attachment pedal in NEUTRAL: 14 to 17 volts     |
GND     |
7     | Implement pressure switch     | Implement control levers or swing control lever operated: approx. 0 volts Implement control levers or swing control lever in NEUTRAL: 14 to 17 volts     |
GND     |
8     | Boom RAISE pressure switch     | Boom control lever shifted to RAISE side 70 percent of stroke or more: approx. 0 volts Other than above: 14 to 17 volts     |
GND     |
12     | Trenching solenoid     | Boom priority mode: approx. 0 volts Swing priority mode: 18 to 32 volts     |
GND     |
15     | Engine coolant level switch     | Engine coolant level is above the specified level (ON): approx. 0 volts Engine coolant level is below the specified level (OFF): 14 to 17 volts     |
GND     |
18     | Travel pressure switch     | Travel control lever operated: approx. 0 volts Travel control lever in NEUTRAL: 14 to 17 volts     |
GND     |
21     | Fine finish solenoid     | Boom control lever shifted to RAISE side 70 percent of stroke or more: 18 to 32 volts Other than above: approx. 0 volts     |
GND     |
22     | Automatic travel speed change solenoid     | Travel mode = RABBIT Travel control lever = operate, and pump delivery pressure service code 91 setting value: 18 to 32 volts Travel mode + tortoise or travel control lever = NEUTRAL: approx. 0 volts     |
GND     |
24     | Engine speed sensor +     | When engine is at high idle: approx. 16 volts (measured by AC range ACV)     |
Conn 2 Pin 25     |
25     | Engine speed sensor -     | Approx. 0 volts     | GND     |
26     | Engine oil pressure switch     | Engine running (ON): approx. 0 volts Engine OFF: 14 to 17 volts     |
GND     |
27     | Swing brake solenoid     | Machine without fine swing switch Implement control levers or swing control levers are operated: 18 to 32 volts Implement control levers or swing control levers are in NEUTRAL: approx. 0 volts (In 6.5 seconds after control levers are returned to NEUTRAL: 18 to 32 volts) Machine with fine swing switch Fine swing switch OFF: Same as machine without the switch Fine swing switch ON: 18 to 32 volts     |
GND     |
29     | Fuel level     | Fuel: FULL Sensor resistance : approx. 8.0 ohms Voltage: approx. 0.2 volts Fuel: HALF Sensor resistance: approx. 33.8 ohms Voltage: approx. 1.0 volts Fuel: EMPTY Sensor resistance: approx. 83.5 ohms Voltage: approx. 2.2 volts     |
GND     |
30     | Hydraulic Oil Temperature     | 0 °C (32 °F) Sensor resistance: approx. 23.13 ohms Voltage: approx. 9.7 volts 25 °C (77 °F) Sensor resistance: approx. 6.82 ohms Voltage: approx. 7.1 volts 50 °C (122 °F) Sensor resistance: 2.47 ohms Voltage: approx. 4.2 volts 75 °C (167 °F) Sensor resistance: approx. 1.08 ohms Voltage: approx. 2.3 volts     |
GND     |
31     | Travel Alarm     | Travel control lever is operated: 18 to 32 volts Travel control is in NEUTRAL: approx. 0 volts     |
GND     |
34     | Alternator R terminal     | Engine runs at high idle: approx. 14 volts     | GND     |
35     | Clogged air filter switch     | Air filter is normal (OFF): 14 to 17 volts Air filter is clogged (ON): approx. 0 volts     |
GND     |
36     | Engine oil level switch     | Engine oil level is above the specified level (ON): approx. 0 volts Engine oil level is below the specified level (OFF): 14 to 17 volts     |
GND     |
38     | +Battery Output     | 18 to 32 volts     | GND     |
40     | Hydraulic Oil Level Switch     | Hydraulic oil level is above the specified level (ON): approx. 0 volts Hydraulic oil level is below the specified level (OFF): 14 to 17 volts     |
GND     |
Information System:
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Speed Sensor - Replace
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Proportional Reducing Valve - Calibrate
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Proportional Reducing Valve Sweep - Test
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Electronic Governor - Calibrate
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Digital Output On/Off - Test
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Engine Speed Dial Setting - Check
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Hydraulic Hammer - Adjust
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Parameter - Adjust
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Troubleshooting Undiagnosed Problems
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control
Real Time Error Codes
305 CR Mini Hydraulic Excavator
Cooling System Coolant (ELC) - Change
Horizontal Pin Lock Series PW Quick Coupler
Rated Load
325C Excavator Machine System Specifications
Boom - 5550 mm (218.5 inch)
3500B, 776D, 777D, 784C, 785C, 789C, 793C and and 793D Off-Highway Truck/Tractors
Refrigerant Compressor
305 CR Mini Hydraulic Excavator
Engine Air Filter Primary Element - Clean/Replace
325C Excavator Machine System Specifications
Boom - 6150 mm (242.1 inch)
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Engine Oil Level - Check
M315 Excavator Hydraulic System
Engine Performance - Test
CS44 and CP44 Soil Compactor Machine System
Vibratory Support
M315 Excavator Hydraulic System
Engine Speed - Test and Adjust - No Load
305 CR Mini Hydraulic Excavator
Engine Oil and Filter - Change
315C Excavator
Engine Speed Control
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2
Check of Governor Actuator - Troubleshoot - CID 91 - 315C, 318C, 319C, 320C, 321C, And 322C
2001/09/24
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