4. Operating Instructions
4.1 Reading Codes
CAUTION: Don't connect or disconnect any test equipment with ignition on or engine
running.
1. Turn the ignition off.
2. Locate the 16-pin Data Link Connector (DLC) and plug into the Scan Tool cable
connector to the DLC.
3. Wait for the LCD display to read “C.A.N.OBD2”.
C.A.N
OBD2
4. Turn the ignition on. But do not start the engine.
5. Press the ENTER button. A sequence of messages showing the OBD2 protocols will
be observed on the display until the vehicle protocol is detected.
SCAN...
VPW
SCAN...
PWM
SCAN...
CAN
SCAN...
KWP 2000
ISO9141
PROTOCOL
If a “LINK ERROR!” message shows up, turn the ignition off for about 10 seconds,
check if the Scan Tool's OBDII connector is securely connected to the vehicle's DLC,
and then turn the ignition back to on. Repeat the procedure from step 5. If the
“LINK ERROR” message does not go away, then there may be problems for the
Scan Tool to communicate with the vehicle.
6. Wait for the main menu to come up after a brief overview displaying the scanning
results with the total number of DTCs and the overall I/M Monitor Status
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