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 LS 460LFACTORY OEM SERVICE PROCEDURE

Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" . Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

The electrical equipment operation may be limited by the load control of electric power control system. Follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.

Windshield deicer system

PROBLEM SYMPTOMS CHART

Symptom	Suspected Area	See
Windshield deicer system does not operate	Deicer fuse	WINDSHIELD DEICER DOES NOT OPERATE
	Deicer relay	WINDSHIELD DEICER DOES NOT OPERATE
	Multi-display	PROBLEM SYMPTOMS TABLE
	Integration control and panel*	PROBLEM SYMPTOMS TABLE
	Air conditioning amplifier	PROBLEM SYMPTOMS TABLE
	Front light ECU (front controller)	PROBLEM SYMPTOMS TABLE
	Wire harness	-
HINT: *: w/o Multi-display

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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