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 vacuum lines properly connected
- SFI system wiring connectors fully plugged
- All operating accessories switched OFF
- Ignition timing set correctly
- Transmission in neutral position
2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL

(See ignition timing inspection and adjustment)

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

Idle speed (w/ Cooling fan OFF): 700 ± 50 rpm

- If the idle speed is not as specified, check the IAC system.
4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL