FUEL SYSTEM/ENGINE
MANAGEMENT 9
Checks
When using this function It is possible to check the status
of various sensors and actuators and also check certain
items of factory data logged during vehicle assembly.
It is also possible to check when the ECM was last
interrogated for stored information and who the dealer
was that did it.
The data available is:—
Item Checked
Result Unit
Air temperature sensor
Volts
Air temperature
Degrees Celsius
Coolant temperature
sensor
Volts
Coolant temperature
Degrees Celsius
Engine speed
RPM
Idle reference speed
RPM
Battery voltage
Volts
Sensor reference voltage
Volts
Injector pulse time
Milliseconds
Barometric pressure
mm/Hg
Calculated load
Percentage
Target dwell time
Milliseconds
Ignition timing
Degrees BTDC/ATDC
Throttle voltage
Volts
Corrected Throttle
position
Percentage
Purge valve duty cycle
Percentage
Idle air control valve
stepper position
Incremental steps
ranging from 0 to 255
Ignition switch position
On/Off
Cooling fan status
On/Off
Sidestand status
Up/Down
Neutral switch status
Neutral/In gear
Service Diagnostic Tool
1^
7
gajc
1.
Memory card
2.
Screen
3.
Return key
4.
Up key
5.
Down key
6.
Validate key
7.
Help key
The memory card (1) contains all the information
necessary to allow the technician to follow a number of
different paths to:
•
Diagnose faults
•
Obtain data
•
Make checks / adjustments
It is removeable to allow replacement / update cards to
be inserted.
The screen (2) comprises 4 horizontal lines and 20
vertical columns forming a series of boxes into which
letters and numbers can be displayed to provide the
necessary question, message, answer etc.
At the left of the screen, one or more symbols as detailed
below may be displayed.
9.25
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