Idle Speed Control (ISC) Valve Rotor Coil Valve Shaft Valve S₁ B₁ S₂ Rotor S₂ B₂ S₄ CHECK OPERATING SOUND FROM ISC VALVE Confirm that there is a clicking sound immediately after stopping the engine. F10374 REMOVAL OF ISC VALVE 1. DRAIN COOLANT 2. DISCONNECT TWO ISC VALVE CONNECTORS F10383 3. DISCONNECT FOLLOWING HOSES FROM ISC VALVE BODY: (a) Two water by-pass hoses (b) Air hoses 4. REMOVE TWO BOLTS AND ISC VALVE BODY F10382