JTEC Controlled Rear Wheel Drive Vehicles: Notes
The following procedure has been established to assist Dealer Technicians in the field with enabling and running OBD II Monitors. The order listed in the following procedure is intended to allow the technician to effectively complete each monitor and to set the CARB Readiness Status in the least time possible.
- Once the monitor run process has begun, do not turn off the ignition. By turning the ignition key off, monitor enabling conditions will be lost.
- By performing a Battery Disconnect, or Selecting Erase DTCs, the CARB Readiness and all additional OBD information will be cleared.
Monitor Preliminary Checks:
- Plug scantool into the vehicle's DLC.
- Turn the ignition, KEY ON - ENGINE OFF. Watch for MIL lamp illumination during the bulb check. MIL lamp must have illuminated, if not, repair MIL lamp.
- With the scantool check for any DTCs
*Verify that No Emissions Related DTCs are Present and MIL is not illuminated.
*If an Emissions DTC is Present and the MIL is ON, the OBD II Monitors may not run and the CARB Readiness will not update.
*The Emissions related DTC, which is causing the MIL, will need to be repaired, then cleared. By clearing DTCs, the OBD Monitors will need to be run and completed to set the CARB Readiness Status.
With the scantool check for CARB Readiness Status:
Do all the CARB Readiness Status Locations read YES?
*YES, then all monitors have been completed and this vehicle is ready to be I/M or Emission Tested.
*NO, then the following procedures will aid in running and completing all available monitors.