Description of On-Board Diagnostics

DESCRIPTION AND OPERATION





1. WARNING FOR A/C AIR COMPRESSOR LOCK
If compressor lock occurs during A/C operation, the A/C switch indicator on the A/C control assembly starts blinking. When this occurs, check for compressor lock (trouble code 22) using DTC check then proceed to inspect the circuit or the component.
Compressor lock sensor circuit.





2. 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.