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
Air temperature sensor
Air temperature
Coolant temperature
sensor
Coolant temperature
Engine speed
Idle reference speed
Battery voltage
Sensor reference voltage
Injector pulse time
Barometric pressure
Calculated load
Target dwell time
Ignition timing
Throttle voltage
Corrected Throttle
position
Purge valve duty cycle
Idle air control valve
stepper position
Ignition switch position
Cooling fan status
Sidestand status
Neutral switch status
Result Unit
Volts
Degrees Celsius
Volts
Degrees Celsius
RPM
RPM
Volts
Volts
Milliseconds
mm/Hg
Percentage
Milliseconds
Degrees BTDC/ATDC
Volts
Percentage
Percentage
Incremental steps
ranging from 0 to 255
On/Off
On/Off
Up/Down
Neutral/In gear
9.25
FUEL SYSTEM/ENGINE MANAGEMENT 9
Service Diagnostic Tool
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.
7
1^