Roadi RDT40 - Manual (Page 6)

OWNER S MANUAL
,
OBD2 CODE READER
6
Systems
B=Body
C=Chassis
P=Powertrain
U=Network
Identifies what section
of the systems is
malfunctioning
Code Type
Generic (SAE):
P0, P2, P34-P39
B0, B3
C0, C3
U0, U3.
Manufacturer Specific:
P1, P30-p33
B1, B2
C1, C2
U1, U2
Sub-systems
1= Fuel and Air Metering
2= Fuel and Air Metering
3= Ignition System or Engine Misfire
4= Auxiliary Emission Controls
5= Vehicle Speed Control and Idle
Controls
6= Computer Output Circuits
7= Transmission Controls
8= Transmission Controls
P 0 2 0 1
DTC Example
2.3 Location of the Data Link Connector (DLC)
The DLC (Data Link Connector or Diagnostic Link Connector) is the
standardized 16-cavity connector where diagnostic scan tools interface
with the vehicle's on-board computer. The DLC is usually located 12
inches from the center of the instrument panel (dash), under or around
the driver's side for most vehicles. For some Asian and European vehicles,
the DLC is located behind the ashtray and the ashtray must be removed
to access the connector. Refer to the vehicle's service manual for the
location if the DLC can not be found.
2.4 OBD II Readiness Monitors
An important part of a vehicle's OBDII system is the Readiness
monitors, which are indicators used to find out if all of the emissions