Operation CHARM: Car repair manuals for everyone.

Description of On-Board Diagnostics

COOLING SYSTEM RELATED DIAGNOSTICS
The Powertrain Control Module (PCM) has been programmed to monitor the certain following cooling system components:
- If the engine has remained cool for too long a period, such as with a stuck open thermostat, a Diagnostic Trouble Code (DTC) can be set.

ACCESSING DIAGNOSTIC TROUBLE CODES
To read DTC's and to obtain cooling system data, refer to Powertrain Management for proper procedures.

DRB SCAN TOOL
For operation of the DRB scan tool, refer to Powertrain Management.