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 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 OBDII SCAN TOOL
- Remove the fuse cover on the instrument panel.
- Connect the Toyota hand-held tester or OBDII scan tool to the DLC3.
- Refer to the Toyota hand-held tester or OBDII scan tool operator's manual for further details.
3. INSPECT IDLE SPEED
- Race the engine speed at 2,500 rpm for approx. 90 seconds.
- 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 OBDII SCAN TOOL