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.

2007 Lexus ES 350FACTORY OEM SERVICE PROCEDURE

DTC Check / Clear

CHECK DTC
1. Connect the intelligent tester to the DLC3.
2. Turn the engine switch on (IG).
3. Enter the following menu items: DIAGNOSIS / OBD / MOBD / DTC INFO / CURRENT CODES.
4. Read the DTC by following the prompts on the tester screen.
  HINT:
  
  Refer to the intelligent tester operator's manual for further details.
Fig 1: Connecting Intelligent Tester To DLC3
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CLEAR DTC
1. Connect the intelligent tester to the DLC3.
2. Turn the engine switch on (IG).
3. Enter the following menu items: DIAGNOSIS / OBD / MOBD / DTC INFO / CLEAR CODES.
4. Erase the DTC by following the directions on the tester screen.
  HINT:
  
  Refer to the intelligent tester operator's manual for further details.

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.