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.
- Air conditioning switched OFF.

2. CONNECT TOYOTA HAND-HELD TESTER OR OBD-II SCAN TOOL.
- Remove the fuse cover on the instrument panel.



- Connect the Toyota hand-held tester or OBD-II scan tool to the DLC3.
- Please refer to the Toyota hand-held tester or OBD-II scan tool operator's manual for further details.

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

Idle speed: 700 ± 50 rpm

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

4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD-II SCAN TOOL.