STEP 2. Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line
STEP 3. Check that the scan tool (M.U.T.-IIISE) communicates with this system
Check that the communication with scan tool (M.U.T.-IIISE) is possible.(1) Turn on and off any of the door switches several times, or open any of the doors.
(2) Check that KOS&OSS-ECU can communicate with the scan tool (M.U.T.-IIISE).
Is the check result normal?
Go to Step 4. Carry out the troubleshooting of KOS&OSS-ECU power supply or ground circuit malfunction (Refer to ).
STEP 4. Using scan tool (M.U.T.-IIISE), check the DTC.
STEP 5. Engine switch check
STEP 6. Keyless operation key battery charged level check
STEP 7. Customized contents check
STEP 8. Check of the troubles
Check the condition of the keyless operation key when the vehicle power does not turn "ON."What kinds of circumstances cause the vehicle power supply to remain off?
: Go to Step 9. : Go to Step 10.
STEP 9. Keyless operation system communication test
STEP 10. Check with another registered keyless operation key.
Check whether the power supply mode can be switched by another registered keyless operation key.Can the power supply mode be switched?
: Go to Step 11. : Go to Step 13.
STEP 11. Keyless operation key check
Check whether the registered keyless operation key is used.Is the registered keyless operation key used?
: Register the key ID of the keyless operation key. Then go to Step 12. : Refer to the key ID registration procedure manual to register the key ID. If the key ID cannot be registered, replace the keyless operation key and register the key ID.
STEP 12. Check of the troubles
STEP 13. Check of the troubles
STEP 14. Check of the troubles
STEP 15. Using scan tool (M.U.T.-IIISE), check the DTC.