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.

HINT: All vacuum hoses for EGR system, etc. should be properly connected.

- SFI system wiring connectors fully plugged in.
- Ignition timing set correctly.
- Transmission in neutral position.
2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL.
3. INSPECT IDLE SPEED.
- Race the engine speed at 2,500 rpm for approx. 90 seconds.
- Check the idle speed.

Idle speed: 650 - 750 rpm

- If the Idle speed is not as specified, check the IAC valve and in air intake system.
4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL.