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.

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HOMESERVICE MANUALSTOYOTA20094RUNNER LIMITED, 4.0 U, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEM (1GR-FE)SFI SYSTEMEVAP SYSTEMINSPECTION PROCEDURE

2009 Toyota 4Runner Limited, 4.0 U, 4WD

Inspection Procedure

2009 Toyota 4Runner Limited, 4.0 U, 4WDSECTION Inspection Procedure

NOTE: the Techstream is required to conduct the following diagnostic troubleshooting procedure.

HINT:

Using Techstream monitor results enables the EVAP (Evaporative Emission) system to be confirmed.
Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air/fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction.

CONFIRM DTC
1. Turn the ignition switch off and wait for 10 seconds.
2. Turn the ignition switch on.
3. Turn the ignition switch off and wait for 10 seconds.
4. Connect the Techstream to the DLC3.
5. Turn the ignition switch on and turn the tester on.
6. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
7. Confirm DTCs and freeze frame data.
  If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below.
  
  Fig 1: Identifying DTC Malfunctioning Area Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

RENDER: 1.0x

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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.