Engine JAC HFC4DA1-2C. Service manual — part 58
SC
SC
SC
SC Battery
Battery
Battery
Battery and
and
and
and Charging
Charging
Charging
Charging System
System
System
System
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IP Instrument
Instrument
Instrument
Instrument and
and
and
and Warning
Warning
Warning
Warning System
System
System
System
- 23 -
Instrument
Instrument
Instrument
Instrument and
and
and
and Warning
Warning
Warning
Warning System
System
System
System
Applied models: SUNRAY products manufactured by JAC
Subject
Page
Instruction
Instruction
Instruction
Instruction and
and
and
and Operation
Operation
Operation
Operation
Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 24
Mounting position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Performance characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 25
Diagnosis
Diagnosis
Diagnosis
Diagnosis and
and
and
and Testing
Testing
Testing
Testing
Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 26
Function description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Definitions of pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation
Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 33
Removal of Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Specification
Specification
Specification
Specification
Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 35
Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...35
IP Instrument
Instrument
Instrument
Instrument and
and
and
and Warning
Warning
Warning
Warning System
System
System
System
- 24 -
Instruction
Instruction
Instruction
Instruction and
and
and
and Operation
Operation
Operation
Operation
Combination
Combination
Combination
Combination instrument
instrument
instrument
instrument
Sunray instruments are all-digital instruments which take stepping motors as the structural forms. Analog or
digital signals of all sensors are converted into digital signals via processing of central processing units (CPU) to
drive the stepping motors. After the processing, the drive signals are sent to respective indicating instruments of
stepping motors and actuate their operations.
Locations
Locations
Locations
Locations of
of
of
of combination
combination
combination
combination instruments:
instruments:
instruments:
instruments:
Sunray combination instrument is in front of the driver.
IP Instrument
Instrument
Instrument
Instrument and
and
and
and Warning
Warning
Warning
Warning System
System
System
System
- 25 -
Instruction
Instruction
Instruction
Instruction and
and
and
and Operation
Operation
Operation
Operation
Performance
Performance
Performance
Performance characteristics
characteristics
characteristics
characteristics of
of
of
of the
the
the
the combination
combination
combination
combination instrument:
instrument:
instrument:
instrument:
All-digital instruments are adopted in Sunray series, which do not only eliminate disadvantages of conventional
analog display instruments, but also possess following advantages:
1.
The indication accuracy may reach 1/12°as the
highest.
2.
It enables the stable indication without the
application of damping oil and pointer balancer.
3.
It enables easy installation and debugging without
any hysteresis errors that the instrument possesses
good reliability, good consistency and strong
vibration resistance.
4.
It enables long service life and wide operating
range of -40°~+85°.
5.
It enables low voltage (5V) and low current drive,
all-digital control and low consumption.
6.
It enables strong anti-interference.
7.
It enables smaller thickness and weight of the
instrument.
8.
LED is applied as indicator lamps and backlights
which enables lower power consumption, longer
service life and lower heat. And LED backlight
technology is adopted for homogeneous and soft
lighting.
9.
LCD is applied for mileage display and mileage
subtotal to avoid stuck phenomenon with the
application of gear display and it is easily installed
and debugged.
10. SMD parts and reflow soldering technology may
prevent the instrument from faults caused by
insufficient solder and void and enable lower
weight of the instrument.
11. Software warning is adopted in fuel warning and
the fuel warning switch in the sensor can be
revocatory.
12. With proper modifications of instrument software
parameters, the instrument can be applicable to
vehicles with different gear ratios, speeds, fuels and
temperature sensors and the applicable range is
very wide.
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