NORAUTO 2372772 Manual página 66

as required by United States Environmental Protection Agency,
EN
and 1996 newer (automobile) light trucks must be accorded with
OBD II standard. Including all the domestic. Asian and European
vehicles.
A small amount of 1994 and 1995 petrol vehicles are accorded
with OBD II standard. If need to verify if 1994 or 1995 vehicles are
accorded with OBD II standard. please check the vehicle emission
control information (VECI) label, most vehicles are stuck this
label under the engine jacket or near the radiator. If the vehicle
is accorded with OBD II standard, and then it5 label is marked
with "OBD II certification". In addition, the government laws and
regulations require all the vehicles that are accorded with OBD
II standard must have "General" 16 pin data link connector (DLC).
If your vehicle is accorded with OBD II standard, there must a 16
pin DLC (data link connector) below the instrument panel, and
a vehicle emission control information label states the vehicle is
accorded with OBD II standard.
OBD II diagnosis
When diagnostic instrument detects multiple vehicle control
modules, the system will prompt you to select the module that
can retrieve the data. Power assembly control module [PCM] and
gearbox control module [TCM] are the commonly options.
Caution: Do not connect or disconnect any test equipment when
ignition switch is opening or engine is running.
Turn off ignition switch.
1
Find the vehicle 16 pin data link connector (DLC).
2
Insert OBD II wire to vehicle DLC.
3
Turn on ignition switch. Engine stops or runs.
4
5 Press Return/Confirm button to enter diagnostic menu. A
series of OBD2 protocol information will be displayed on the
display screen, until the vehicle protocol is detected.
• If decoder can not communicate with the vehicle ECU (engine
control unit). "Connection error!' will be displayed on the display
screen.
 Confirm ignition switch is turned on;
 Check if OBD II connector of decoder is connected to vehicle
DLC;
 Confirm the vehicle is accorded with OBD2 standard;
 Turn off ignition switch and wait for 10 seconds. Turn on ignition
switch again, repeat the steps in 5.
• If "Connection error" information still appears, and then it
may be the communication between decoder and vehicle has
the problem. Please contact the local dealer or the Customer
Service Department of the manufacturer for getting the help.
After the system status (Diagnostic indicator state, diagnostic
code counting, monitor state) is displayed, wait for several
seconds or press any key to display the diagnostic menu.
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