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 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.



- Connect the tester probe of a tachometer to terminal IG- of the data link connector (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 approx. 90 seconds.
- Check the idle speed.

Idle speed: 650 ± 50 rpm

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

4. Disconnect tachometer.