Inspection Procedure 12: KOS timer lock function does not work.
| caution | Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal. |
OPERATION
PROBABLE CAUSES
- Malfunction of ETACS-ECU
- Malfunction of the door switches
DIAGNOSIS PROCEDURE
STEP 1. Check the keyless entry function operation
Q.
Is the check result normal?



STEP 2. Check the door entry function operation
Q.
Is the check result normal?



STEP 3. M.U.T.-III diagnosis code
Q.
Is the diagnosis code set?



STEP 4. Check of the troubles
Q.
Is the check result normal?



