Prelude L4-2.2L SOHC (1994)
Under-dash Fuse / Relay Box Showing ECM Back-up Fuse
7. Reconnect the two pin connector on the IAC, then remove the CLOCK/RADIO fuse in the under-hood relay box for 10 seconds to reset the
PGM-FI ECM.
8. Restart and idle the engine with no-load conditions for one minute, then check the idle speed.
Idle speed should be: Manual/Automatic 700 ± 50 rpm
9. Idle the engine for one minute with headlights (high beams on) and rear defogger ON, check idle speed.
Idle speed should be: Manual/Automatic 770 ± 50 rpm