Idle Speed: Testing and Inspection

PROCEDURE

1. VERIFY 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.
- All vacuum hoses for EGR system, etc. should be connected.
- Fuel Injection system wiring connectors fully plugged.
- Ignition timing set 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.
- Please refer to the TOYOTA hand-held tester or OBDII scan tool operator's manual for further details.

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

Idle speed: 700 ± 50 rpm

- If the idle speed is not as specified, check the Idle Air Control valve and wiring and the air intake system.

4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL.