Description of On-Board Diagnostics

DESCRIPTION AND OPERATION





WARNING FOR A/C COMPRESSOR LOCK

If compressor look occurs during A/C operation, the A/C switch indicator on the A/C control assembly starts blinking to warn the driver.
When this occurs, check for compressor lock (code 22) using diagnostic trouble code check then proceed to inspect the circuit or the component.





LIST OF OPERATION METHODS

By operating each of the A/C control switches as shown in the diagram below, it is possible to enter the diagnosis check mode.