Idle Speed: Testing and Inspection

1. INITIAL CONDITIONS.
- Engine at normal operating temperature.
- Air cleaner installed.
- All pipes and hoses of air induction system connected.
- All accessories switched OFF.
- All vacuum lines properly connected.
- All vacuum hoses for EGR system, etc. should be properly connected.
- SFI system wiring connectors fully plugged.
- Ignition timing set correctly.
- Transmission in neutral position.

2. CONNECT TACHOMETER.

Terminal IG- In DLC1 Provides The Engine RPM Signal:

- Connect the tester probe of a tachometer to terminal IG(-) of the DLC1.

NOTICE:
- Never allow the tachometer terminal to touch ground as it could result in damage to the igniter and/or ignition coil.
- As some tachometers are not compatible with this ignition system, we recommend that you confirm the compatibility of your unit before use.

3. INSPECT IDLE SPEED.
- Race the engine speed at 2,500 rpm for approximately 90 seconds.
- Check the idle speed.

Idle speed: 800 ± 50 rpm

- If the idle speed is not as specified, check the IAC valve.

4. DISCONNECT TACHOMETER.