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8 9620 Professional OBD II Scan Tool
At the bottom of the list, there is now only an UP arrow symbol (]) visible in the last
column indicating the last function in the list has been reached. To return to previous
screens, press the UP arrow key. The UP/DOWN arrow keys work the same way when
scrolling through text such as the Help screen.
The Scan Tool may ask a question which requires a response from user. These will
always be YES or NO questions, and are answered with cursor and Arrow keys.
In these screens, brackets <> will automatically appear next to default response. To
accept default choice, simply press ENTER. Use LEFT/RIGHT arrow key to move brackets
to other response and press ENTER.
1.4 Tool Setup
Only functions of the Main Menu that pertain to getting started with scan tool are discussed
in the following paragraphs. For all other menu selections available, refer to Section 4:
Help and Troubleshooting Tips.
Tool Setup is used to change the scan tool default
unit settings. To change the scan tool settings,
select Tool Setup from the MAIN MENU and
press the ENTER key.
NOTE: Settings chosen will remain until 9 volt battery is dead.
1.4.1 Changing Measurement Units
After selecting Tool Setup option, tool setup menu appears. To choose English or Metric
measurement units, use UP/DOWN arrows to make selection and press ENTER. The
display will look like the following screen:
1.4.2 Changing Display Contrast
From the Tool Setup menu, select Display Contrast and press ENTER. Use the UP/
DOWN arrow keys as indicated on the screen:
View Instructions
For Creating Custom
Data List?
Yes <No>
OBDII Function List |
`1) I/M Readiness
2)Read Codes [
3)Pending Codes
OBDII Function List |
4)View Data ]
5)View Freeze Data [
`6)Record Data
Setup Tool For
1) English/Metric
`2)Display Contrast
3)Tool Information
]Increase Contrast
[Decrease Contrast
Press ENTER To Save
Setup Tool For
`1) English/Metric
2)Display Contrast [
3)Tool Information
Measurement Units
`English(Default)
Metric
9620 Professional OBD II Scan Tool 29
CLR DST (0km-65,535km) or (0- 40,722miles)
Distance Since Cleared Diagnostic Codes is distance since diagnostic trouble codes
were erased.
CLR TIM (0 - 65535 min or 1092.25 hours)
Time Since Cleared Diagnostic Code is time since diagnostic trouble codes were erased.
CMD EQ RATxy (0 - 1.99)
Commanded Equivalence Ratio is the ratio of the air/fuel mixture.
NOTE: The CMD EQ RAT will read 1.0 while in a closed loop of fuel
COOLANT (-40 - 215°C)or(°F)
Engine Coolant Temperature displays engine coolant temperaturefrom engine coolant
temperature or cylinder head temperature sensor.
NOTE: The coolant on many diesels may use Engine Oil Temperature instead.
EGR CMD (0 - 100%)
Commanded Exhaust Gas Recirculation is the percentage of exhaust gas being recir-
culated.
EGR ERR (-100 - 99.22%)
Exhaust Gas Recirculation Error will show the error from changing from one condition to
another.
ENG RUN (0 - 65,535sec.)
Time since Engine Strart is the time the engine is running.
NOTE: ENG RUN stops when engine stalls or engine is turned off for any reason.
ENGINE (0 - 16383.75 RPM)
Engine Revolutions Per Minute (RPM) is the speed engine is running.
EQ RATxy
O2 Sensor Equivalence Ratio for Bank x Sensor y.
EVAP REQ (0-100%)
Commanded Evaporative Purge is the position evaporative purge control valve is open
in percentage.
EVAP VP (-8192PA - 8191PA) OR (-32.8878 - 32.8838 H2O)
Evaporative Emissions System Vapor Pressure is pressure in the fuel tank
FUEL LVL (0 - 100%)
Fuel Level Input is the percentage of fuel with 0% equaling tank is full and 100% when tank
is empty.
FUEL PRES (0 - 765kPa) or (0 - 110psi)
Fuel Rail Pressure is the fuel pressure at the engine in respect to atmospheric pres-
sure.
FUEL SYS (OPEN or CLSD)
Fuel System Status show loop status of fuel system banks.
OPEN: Computer module is operating in Open Loop control strategy. The vehicle has
not yet satisfied conditions for the computer module to go to closed loop.
CLSD: Computer module currently functioning in Closed loop control strategy, using
O2 sensor(s) as feedback for fuel control.
OPEN1: Open Loop control strategy is being used by the PCM due to driving conditions
power enrichment and deceleration enrichment.
OPEN2: Computer module is operating in Open Loop control strategy due to detected
system fault. Certain actuator or sensor faults are usually the cause.
CLSD1: Closed Loop control is current storage being used by PCM, but a fault with at
least one O2 sensor has been detected. The control system may be using
single O2 for fuel control calculations.