Idle Speed: Testing and Inspection
IDLE SPEED INSPECTION1. INITIAL CONDITIONS:
- Engine coolant 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
- All vacuum hoses for EGR system, etc. should be properly connected.
- MFI system wiring connectors fully plugged
- Ignition timing set correctly
- Transmission in neutral position
- A/C switch OFF
DLC3 Is Located Inside Of The Fuse Panel:
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: ... 750 ± 50 rpm
(w/ Cooling fan OFF and transmission in neutral position)
- 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.