Volvo Trucks MID 146, Руководство по обслуживанию

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Group 87 Climate Control, Fault Codes Specifications
Termi-
nal
Signal type
Measurement
points Nominal value
Other
BSA9 Power supply, ignition key in
driving position BSA9 - BSA15 V
≈
B+ 15
BSA10
BSA11 Supply voltage BSA11 - BSA15 V
≈
B+
30
BSA12 Magnetic clutch, air
conditioning (A/C) compressor BSA12 - BSA15 V
≈
B+ Engine running
BSA13
BSA14 Fan, sensor cab temperature BSA14 - BSA15 V
≈
B+
BSA15 Ground connection BSA15 - Ground V
≈
0 V DC 31
BSB1
BSB2 Engine fan control BSB2 - BSA15 V
≈
B+ Engine cooling fan
active
BSB3 Ground terminal sensor BSB3 - Ground V
≈
0 V DC
BSB4 SAE J1708 Data link B BSB4 - Ground V
≈
0 - 5 V DC
BSB5 SAE J1708 Data link A BSB5 - Ground V
≈
0 - 5V DC
BSB6 Sensor sytem pressure, signal
volts BSB6 - Ground V
≈
0.5 - 4.5 V DC
BSB7 Stepper motor phase 1 (low)
BSB8 Stepper motor phase 2 (low)
BSB9 Stepper motor phase 3 (low)
BSB10 Stepper motor phase 4 (low)
BSB11 Stepper motor, by pass, signal
voltage BSB11 - BSB7 - 10 V
≈
< 10 V Stepper motor
active (Rotate
knob)
BSB12 Stepper Motor, Air distribution,
signal voltage BSB12 - BSB7 - 10 V
≈
< 10 V Stepper motor
active (Rotate
knob)
BSB13 Stepper Motor, recirculation,
signal voltage BSB13 - BSB7 - 10 V
≈
< 10 V Stepper motor
active (Rotate
knob)
BSB14
BSB15 Engine coolant valve, voltage
supply BSB15 - BSA15 V
≈
B+ Select Max heat
position, Electronic
climate control
(ECC) only
BSB16
BSB17
BSB18 Sensor system pressure,
voltage supply (5v) BSB18 - BSA15 V
≈
4.5 - 5.5V
BSB19 Temperature sensor evaporator,
signal voltage BSB19 - BSA15 V
≈
0 - 5 V
BSB20 Temperature sensor, heat
exchanger, signal voltage BSB20 - BSA15 V
≈
0 - 5 V
BSB21 Not connected
4