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.
2012 Toyota Venza FWD V6-3.5L (2GR-FE)FACTORY OEM SERVICE PROCEDURE
System Description
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Smart Key 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 door control transmitter which sends radio waves to the door control receiver. The main body ECU (driver side junction block assembly) performs an ID code identification process and engages the door lock.
2. FUNCTION OF MAIN COMPONENTS
*: w/ Power Back Door System
3. SYSTEM FUNCTION
The door control transmitter has the LOCK, UNLOCK, POWER BACK DOOR* 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 Customize Parameters.
*: w/ Power Back Door System
4. TRANSMITTER RECOGNITION CODE REGISTRATION FUNCTION
The table below shows the 4 ID registration function modes. The codes are electronically registered (written and stored) in the EEPROM that is contained in the door control receiver.
5. CONDITIONS THAT WIRELESS FUNCTIONS DO NOT OPERATE
(a) Lock function will not operate when either of the following conditions is met:
* Any of the doors is open.
* The key is inserted in the ignition key cylinder.
(b) Unlock function will not operate when the following condition is met:
* The key is inserted in the ignition key cylinder.
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.
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