Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2003 Toyota RAV4 Base, AWD, AutomaticFACTORY OEM SERVICE PROCEDURE

Engine Idle Speed: Inspection

INITIAL CONDITIONS
1. Engine at normal operating temperature
2. Air cleaner installed
3. All pipes and hoses of air induction system connected
4. All vacuum lines properly connected
5. SFI system wiring connectors fully plugged
6. All operating accessories switched OFF
7. Ignition timing check correctly
8. Transmission in neutral range
9. A/C switched OFF
CONNECT HAND-HELD TESTER OR OBD II SCAN TOOL
1. Connect the hand-held tester or OBD II scan tool to the DLC3.
2. Please refer to the hand-held tester or OBD II scan tool operator's for further details.
INSPECT IDLE SPEED
1. Race the engine at 2,500 RPM for approx. 90 seconds.
2. Check the idle speed.
  Idle speed (w/ Cooling fan OFF): 700 +/- 50 RPM
If the idle speed is not as specified, check the IAC valve and air intake system.
DISCONNECT HAND-HELD TESTER OR OBD II SCAN TOOL

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.