California Vehicles

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

2. CONNECT TACHOMETER.

Terminals In DLC1:

- Connect the tester probe to terminal IG- of the DLC1.

NOTICE:
^ Do not allow the tachometer terminal (IG-) to touch ground as this could result in damage to the igniter or ignition coil.
^ Some tachometers are not compatible with this ignition system. Confirm the compatibility of your unit prior to use.

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

Idle speed: .... 750 ± 50 rpm
(w/ Cooling fan OFF)

- If the idle speed is not as specified, check the IAC valve and air intake system.

4. DISCONNECT TACHOMETER.