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 MANUALSLEXUS2012RX 450H AWD V6-3.5L (2GR-FXE) HYBRIDREPAIR AND DIAGNOSISSTEERING AND SUSPENSIONSUSPENSIONSUSPENSION CONTROL ( AUTOMATIC - ELECTRONIC )TESTING AND INSPECTIONPROGRAMMING AND RELEARNINGREGISTRATION
2012 Lexus RX 450h AWD V6-3.5L (2GR-FXE) Hybrid
Registration
2012 Lexus RX 450h AWD V6-3.5L (2GR-FXE) HybridSECTION Registration
SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: REGISTRATION
1. REGISTRATION OF VEHICLE IDENTIFICATION INFORMATION
NOTICE:
* The CAN communication system must be functioning normally.
* Make sure that the power management control ECU is the correct type, normally functioning and correctly installed.
HINT
* If the suspension control ECU is replaced with a new one, perform registration of vehicle identification information.
* Vehicle identification information is obtained automatically through CAN communication when in test mode.
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Air suspension / Utility / Signal Check.
(f) Confirm that the system is in test mode by checking that the luggage mode indicator light in the combination meter blinks at 0.125 second intervals (0.125 seconds on and 0.125 seconds off).
HINT
* When the vehicle identification information is stored, the luggage mode indicator light blinks at 0.125 second intervals (0.125 seconds on and 0.125 seconds off).
* When vehicle identification information is not stored, the luggage mode indicator light blinks at 1 second intervals (1 second on and 1 second off).
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.