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4.1 Read Codes
Stored codes are also known as "hard codes" or "permanent codes". These
codes cause the control module to illuminate the malfunction indicator lamp
(MIL) when an emission-related fault occurs.
1) Turn the ignition off.
2) Locate the vehicle's 16-pin Data Link Connector (DLC).
3) Plug the scan tool cable connector into the vehicle's DLC.
4) Turn the ignition on.
5) Press ENTER to enter Diagnostic Menu. Use the UP/DOWN scroll button to
CAUTION: Don't connect or disconnect any test equipment
ignitionon or engine running.
If the scan tool fails to communicate with the vehicle's ECU
ECU (Engine Control Unit), a "LINKING ERROR!" message shows
up on the display.
select Diagnostics from the menu.
1) Verify that the ignition is ON;
2) Check if the scan tool's OBD II connector is securely connected to the
vehicle's DLC;
3) Verify that the vehicle is OBD II compliant;
4) Turn the ignition 'off' and wait for about 10 seconds. Turn the ignition back
to 'on' and repeat the procedure from step 5.
6) Press ENTER to confirm. A sequence of messages displaying the OBD II
protocols will be observed on the display until the vehicle protocol is detected.
4.OBD II Diagnostics
Pending Codes are also referred to as "maturing codes" or
"continuous monitor codes". They indicate problems that the
control module has detected during the current or last driving cycle,
but are not considered serious, yet. Pending Codes will not turn on
the malfunction indicator serious, yet. Pending Codes will not turn
on the malfunction indicator up cycles, the codeclears from
If there are no Diagnostic Trouble Codes present, the display
indicates "No (pending) codes are stored in the module!" Wait a
few seconds or press any key to return to the Diagnostic Menu.
The control module number, sequence of the DTCs, total number
of codes detected and type of codes (Generic of Manufacturer
specific) will be observed on the upper right hand corner of
memory.
1) Use the UP/DOWN scroll button to select Read Codes from the Diagnostic
Menu and press ENTER.
2) Wait for a few seconds and the diagnostic tool will automatically read the
vehicle's error codes.
3) View DTCs and their definitions on screen.
the display.
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necessary, until all the codes have been viewed.
4.2 Erase Codes
Notes:
This function is performed with key on engine off . Do not start the engine
Before performing this function, make sure to retrieve and record the trouble
codes.
After clearing, you should retrieve trouble codes once more or turn ignition
on and retrieve codes again. If there is still some trouble codes for hard troubles,
please find the reason caused the trouble code firstly, andthen solve theproblem.
Now, the trouble codes can be erased.
If the manufacturer for your vehicle is not listed, use the UP/DOWN scroll
button to select “Other” and press ENTER.
1) Use the UP/DOWN scroll buttons to select Erase Codes from the Diagnostic
2
)
A warning message comes up asking for your confirmation.
Menu and press ENTER.
4) If more than one DTC is found, use the UP/DOWN scroll button, as
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the screen. Press EXIT to return to Diagnostic Menu.
Use the UP/DOWN scroll button for more PIDs if an or arrow appears on the
below:
Select [View Freeze Frame], the screen will display the interface as shown
4.3 View Freeze Frame
When an emission-related fault occurs, certain vehicle conditions are
recorded by the on-board computer. This information is referred to as freeze
frame data. View Freeze Data is a snapshot of the operating conditions at the time
If DTCs were erased, View Freeze Data may not be stored in vehicle
of an emission-related fault.
memory depending on vehicle.
View Freeze Frame
1/4
DTCFRZF
FUELSYS1
FUELSYS2
LOAD_PCT(%)
U0101
OL-Drive
---
0.0
Press ENTER To view live PIDs on the screen.
4.4 Read Data Stream
The OBD II Scan Tool is a special diagnostic tool that communicates with the
vehicle's computer. The Scan Tool lets you view "real-time" Live Data. This
information includes values (volts, rpm, temperature, speed etc.) and system status
information (open loop, closed loop, fuel system status, etc.)generated by
Data Stream
1/10
FUELSYS1
LOAD_PCT
ECT
SHRTFT1
CL
5.8%
163.3 F
1.5%
Diagnostic Menu
2/7
1) Read Codes
2) Erase Codes
3) View Freeze Frame
4) Read Data Stream
Diagnostic Menu
1/7
1) Read Codes
2) Erase Codes
3) View Freeze Frame
4) Read Data Stream
Diagnostic Menu
1/7
1) Read Codes
2) Erase Codes
3) View Freeze Frame
4) Read Data Stream
Trouble Codes
Reading Codes...
-Please Wait-
Throttle Actuator
Control Motor
Circuit / Open
$07e8 pd
Generic
1/3
P2100
Erase Codes
Erase trouble codes!
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