Code No.B2352 Antenna fail








DIAGNOSIS FUNCTION



JUDGMENT CRITERIA



PROBABLE CAUSES



  • Malfunction of the receiver antenna module
  • Damaged wiring harness and connectors
  • Malfunction of KOS-ECU

DIAGNOSIS PROCEDURE

STEP 1. Connector check: C-07 receiver antenna module connector, C-23 KOS-ECU connector

Q. Is the check result normal?
Go to Step 2.
Repair the defective connector.

STEP 2. Check the wiring harness between the C-07 receiver antenna module connector terminal No. 1, 2 and the C-23 KOS-ECU connector terminal No. 12, 11.

  • Check the signal lines for open circuit and short circuit.

Q. Is the check result normal?
Go to Step 3.
Repair the wiring harness.

STEP 3. Replace the receiver antenna module, and check whether the diagnosis code is reset.
(1)With the emergency operation by the inversely-inserted keyless operation key, turn the ignition switch from the LOCK (OFF) position to the ON position.
(2)Check if the diagnosis code is set.

Q. Is the diagnosis code set?
Replace KOS-ECU and register the ID codes (Refer to ).
The diagnosis is complete.