STEP 1. Let the keyless operation key touch the engine switch , and identify a trouble phenomenon according to the method of operation.
STEP 2. Confirmation of interference while the engine switch is being touched with the keyless operation key.
STEP 3. Retest the system
STEP 4. Using scan tool (M.U.T.-IIISE), check the DTC.
STEP 5. Check which keyless operation key cannot be registered.
STEP 6. Retest the system
STEP 7. Retest the system
STEP 8. Check whether the DTC is set again.
(1) Turn the power supply mode of the engine switch from "OFF" to "ON."
(2) Check if the DTC is set.
Is the DTC set?
Replace KOS&OSS-ECU and register the ID codes (Refer to ). The procedure is complete.