Initialization

2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Initialization




LIGHTING (EXT): LIGHTING SYSTEM: INITIALIZATION

NOTICE:
* Initialize the headlight leveling ECU assembly when the headlight leveling ECU assembly is replaced.
* Initialize the headlight leveling ECU assembly (set the zero point of the height control sensor in the headlight leveling ECU assembly) after the vehicle height changes due to replacement of suspension components or after performing such operations as removal and reinstallation or replacement of the rear height control sensor sub-assembly.
* Adjust the headlight aim after initializing the headlight leveling ECU assembly (For LED Headlight).
* When a malfunction is detected in the automatic headlight beam level control system, height control sensor signal initialization is impossible. Perform troubleshooting before initialization.

1. PREPARE VEHICLE FOR INITIALIZATION

(a) Unload the trunk and vehicle, ensuring that the spare tire, tools and jack are in their original positions.

(b) Check that there are no occupants in the vehicle.

(c) Turn off the headlights.

(d) Stop the vehicle on a level surface and keep the vehicle height unchanged.

NEXT -- Continue to next step.

2. CHECK HEADLIGHT LEVELING INDICATOR LIGHT

(a) Turn the power switch on (IG), and check the indicator light.

OK:





HINT
If the indicator light does not come on when turning the power switch on (IG), inspect and repair it according to Problem Symptoms Table Exterior Lighting System.

NG -- GO TO PROBLEM SYMPTOMS TABLE
OK -- Continue to next step.

3. INITIALIZATION

(a) Connect terminals 4 (CG) and 8 (LVL) of the DLC3 using SST.





SST : 09843-18040

(a) Turn the low beam headlights on and off using the light control switch within 20 seconds after connecting the terminals.





HINT
The number of times the low beam headlights need to be turned on and off is determined by the present fuel level as shown below.





NOTICE:
* Turn the low beam headlights on and off at less than 3-second intervals.
* Be sure to operate the light control switch from outside the vehicle.

(b) Check the indicator light.

OK:





HINT
* *1: The number of times that the indicator blinks is determined by the number of times the low beam headlights are turned on and off.
* If initialization cannot be finished normally, disconnect SST from the DLC3 and turn the power switch off. Then, restart from procedure 1.

NG -- GO TO PROBLEM SYMPTOMS TABLE

OK -- TURN POWER SWITCH OFF (END)
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.