FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

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 (for EGR system, etc.) properly connected
- SFI system wiring connectors fully plugged
- Ignition timing check 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 return to idle.
- Check the idle speed.

Idle speed: 700 ± 50 rpm

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

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