Idle Speed: Testing and Inspection

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.

HINT: All vacuum hoses for EGR system, etc. should be connected.

- SFI system wiring connectors fully plugged.
- Ignition timing set correctly.
- Transmission in neutral position.
- Air conditioning switched OFF.

2. CONNECT LEXUS HAND-HELD TESTER OR OBDII SCAN TOOL
- Remove the fuse cover on the instrument panel.
- Connect the LEXUS hand-held tester or OBDII scan tool to the DLC3.
- Please refer to the LEXUS 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 LEXUS HAND-HELD TESTER OR OBDII SCAN TOOL