Code No.B2352 Antenna fail


caution Before replacing the ECU, ensure that the communication circuit is normal.

DIAGNOSIS FUNCTION



JUDGMENT CRITERIA



PROBABLE CAUSES



  • Malfunction of the key slot
  • Damaged wiring harness and connectors
  • Malfunction of KOS-ECU

DIAGNOSIS PROCEDURE


STEP 1. Key slot check



Q. Is the check result normal?





STEP 2. Check of short to power supply, short to earth, and open circuit in ANTP, ANTG line between the key slot connector and the KOS-ECU connector.


Q. Is the check result normal?





STEP 3. Check whether the diagnosis code is reset.


(1)Open the driver’s door.
(2)Turn the power supply mode of the engine switch from OFF to ON.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?