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 MANUALSLEXUS2012IS 250C V6-2.5L (4GR-FSE)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYDESCRIPTION AND OPERATIONSYSTEM DESCRIPTION
2012 Lexus IS 250C V6-2.5L (4GR-FSE)
System Description
2012 Lexus IS 250C V6-2.5L (4GR-FSE)SECTION System Description
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system functions to lock and unlock all the doors from a distance. The system is controlled by a hand-held transmitter which sends radio waves to the door control receiver. The main body ECU RH (cowl side junction block RH) performs an ID code identification process and engages the door lock control.
2. FUNCTION OF MAIN COMPONENTS
3. SYSTEM FUNCTION
The door control transmitter has lock, unlock, luggage open and panic switches. Operating these switches activates each function.
The wireless door lock control system has the following functions:
HINT
The default settings of the following functions are on. Some of these functions can be customized Programming and Relearning.
* *1: except for Korea and Mexico
* *2: for Korea and Mexico
* *3: w/ Seat Position Memory System
RENDER: 1.0x
NO RELATED
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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.