User Manual
Table Of Contents
3
LAUNCH Creader VII+ & Creader VIII User's Manual
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. If 
Data Link Connector is  not located under  dashboard,  a  label should be  there 
telling  location.  For  some Asian  and European  vehicles, the  DLC  is  located 
behind the ashtray and the ashtray must be removed to access the connector. If 
the DLC cannot be found, refer to the vehicle’s service manual for the location.
Figure 2-2
2.4 OBD II Readiness Monitors
An important part of a vehicle’s OBD II system is the Readiness Monitors, which 
are  indicators  used  to  find out  if all  of the  emissions  components have  been 
evaluated  by  the OBD  II  system. They are  running periodic tests  on  specific 
systems and components to  ensure that  they  are performing within allowable 
limits.
Currently, there are eleven OBD II Readiness Monitors (or I/M Monitors) dened 
by  the  U.S.  Environmental  Protection Agency  (EPA).  Not  all  monitors  are 
supported  in every vehicles and the exact  number  of  monitors  in any vehicle 
depends on the motor vehicle manufacturer’s emissions control strategy.
Continuous  Monitors  --  Some  of  the  vehicle  components  or  systems  are 
continuously  tested  by the  vehicle’s  OBD  II  system,  while  others  are  tested 
only under  specific vehicle  operating  conditions. The  continuously monitored 
components listed below are always ready:
1. Misre
2. Fuel System
3. Comprehensive Components (CCM)
Once  the vehicle is running,  the  OBD II system  is  continuously  checking the 
above components, monitoring key engine sensors, watching for engine misre, 










