LIGHTING SYSTEM, Diagnostic DTC:B2452

DESCRIPTION

The headlight leveling ECU stores this DTC if the sensor value received from the height control sensor is out of range when performing initialization of the headlight leveling ECU; for example, the vehicle is not level or is being jacked up.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   PERFORM HEADLIGHT LEVELING ECU INITIALIZATION

   
   

   1. Perform initialization of the headlight leveling ECU (Click here).

      Tip:
      

      • Before initializing, make sure that the vehicle condition is proper for initialization.

      • Be sure to perform the initialization as instructed.

   
   
   • NEXTClick here
2. Click here

   CHECK FOR DTC

   
   

   1. Check for DTCs (Click here).

      Table 1. Result

      Result	Proceed to
      B2452 is not output	A
      B2452 is output (for LHD)	B
      B2452 is output (for RHD)	C

      Tip:

      If the headlight leveling ECU sets B2452 even though the ECU has been initialized as instructed, there may be a malfunction in the headlight leveling ECU.

   
   
   • AClick here
   • BClick here
   • CClick here
3. Click here

   END

4. Click here

   REPLACE HEADLIGHT LEVELING ECU ASSEMBLYClick here

5. Click here

   REPLACE HEADLIGHT LEVELING ECU ASSEMBLYClick here