Diagnostic Trouble Code 25 (P0505)

IACV-AAC Test:

IACV-AUXILIARY AIR CONTROL VALVE (DTC: P0505)
For malfunction (a)
1) Turn ignition switch "ON" and wait for at least 2 seconds.
2) Select "MODE 3" with GST.

For malfunction (b)
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait for at least 3 seconds.
3) Start engine again and run it for at least 30 seconds at idle speed.
4) Select "MODE 3" with GST.