Owner s manual, Obd2 code reader – Roadi RDT40 User Manual
Page 12

OWNER S MANUAL
,
OBD2 CODE READER
12
4. Operating Instructions
4.1 Reading Codes:
CAUTION: Don
,
t connect or disconnect any test equi pment 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
SCAN...…
VPW
SCAN...…
PWM
SCAN...…
ISO9141
SCAN...…
CAN
SCAN...…
KWP 2000
4) Turn the ignition on. But do not start the engine.
5) Press the
ENTER button. A sequence of messages showing the OBD
protocols may be observed on the display until the vehicle protocol is
detected.
Not all the above messages will be observed unless the protocol used
by the vehicle being tested is the last one—the ISO9141 protocol. They will
stop appearing after the vehicle protocol is detected and a confirmation
message of XXX Protocol is displayed.
is OBD II compliant, the label will designate“"OBD II Certified". Additionally,
Government regulations mandate that all OBD II compliant vehicles must
have a "common" sixteen- pin Data Link Connector (DLC).
For your vehicle to be OBD II compliant, it must have a 16-pin DLC
(Data Link Connector) under the dash and the Vehicle Emission Control
Information Label must state that the vehicle is OBD II compliant.