A/C Signal: Description and Operation

A/C CUTOFF SYSTEM DESCRIPTION
^ An A/C cutoff system is used to improve idle smoothness immediately after starting the engine and to improve acceleration and performance.

A/C SIGNAL
^ If the A/C is on during the diagnostic trouble code check, Diagnostic Trouble Code No. P1464 is output.
^ If the circuit is open, wide open throttle A/C cutoff will not occur.
^ If the circuit is shorted, the A/C will not operate.

WIDE OPEN THROTTLE A/C CUTOFF RELAY (WAC)
^ If the wide open throttle A/C cutoff relay circuit has an open or short, or A/C was on during self-test, Diagnostic Trouble Code No. P1460 is output.
^ If the circuit is open, A/C cutoff will not occur.
^ If the circuit is shorted, A/C will not operate.