Prelude L4-2.3L DOHC (16 Valve) (1996)
Idle Speed: Testing and Inspection
NOTE: (Canada) Pull the Parking Brake Lever up. Start the Engine, then check that the Headlights are off.
1. Start the Engine. Hold the Engine at 3,000 rpm with no load (Automatic Transmission (A/T) in / N / or / P / position, Manual Transmission (M/T)
in neutral) until the Radiator Fan comes on, then let it idle.
2. Turn the Ignition Switch "OFF".
3. Connect a Tachometer.
4. Disconnect the 2 P Connector from the Idle Air Control (IAC) Valve.
5. Start the Engine with the Accelerator Pedal slightly depressed. Stabilize the rpm at 1,000, then slowly release the Pedal until the Engine idles.
6. Check idling in no-load conditions: Headlights, Blower Fan, Rear Defogger, Radiator Fan, and Air Conditioner are not operating.
Adjust the Idle Speed, if necessary, by turning the Idle Adjusting Screw.