Keyless Operation System (Kos)
- General Information
- Special Tools
- Diagnosis
- Standard Flow Of Diagnostic Troubleshooting
- Diagnostic Function
- Id Codes Registration Judgment Chart
- Warning And Warning Indicator List < Vehicles Without Color Liquid Crystal Display >
- Warning And Warning Indicator List < Vehicles With Color Liquid Crystal Display >
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- DTC B1731: Engine Control Module communication timeout
- DTC B1761: VIN code not programmed
- DTC B1A08: Keyless/KOS key1 performance; DTC B1A09: Keyless/KOS key2 performance; DTC B1A0A: Keyless/KOS key3 performance; DTC B1A0B: Keyless/KOS key4 performance
- DTC B1A10: Keyless/KOS key 1 low battery; DTC B1A11: Keyless/KOS key 2 low battery; DTC B1A12: Keyless/KOS key 3 low battery; DTC B1A13: Keyless/KOS key 4 low battery
- DTC B1A24: Key ID not registered
- DTC B1A25: Key ID unmatched
- DTC B1A28: Engine control module authenticate error
- DTC B1A35: Transponder read error
- DTC B2101: IG SW start POS.circuit low; DTC B2102: IG SW start POS.circuit high
- DTC B2204: Coding data mismatch
- DTC B2206: VIN code mismatch
- DTC B2352: Antenna fail
- DTC B2400: KOS key registration fail
- DTC B2401: Keyless/KOS key ID not registered
- DTC B2402: STL unit comm. (system ID),; DTC B2403: STL unit comm. (CRC),; DTC B2404: STL unit comm. (function code),; DTC B2405: STL unit comm. (rolling code),; DTC B2406: STL unit comm. (PTC operate),; DTC B2407: STL unit comm. (EEPROM),; DTC B2408: STL unit comm. (solenoid)
- DTC B2409: STL unit comm.(No response)
- DTC B240A: DR side antenna(outdoor) open
- DTC B240B: PS side antenna(outdoor) open
- DTC B240C: Liftgate antenna(outdoor) open
- DTC B240D: Front antenna(indoor) open
- DTC B240E: RR antenna(indoor) open
- DTC B2412: Antenna power voltage
- DTC B2413: STL unit power voltage
- DTC B2415: RA module power voltage
- DTC B2416: ECU internal error
- DTC C1608: EEPROM Error
- DTC C1900: No registration
- DTC C1901: Vehicle speed information abnormality
- DTC C1910: Transmitter low battery voltage abnormality 1; DTC C1920: Transmitter low battery voltage abnormality 2; DTC C1930: Transmitter low battery voltage abnormality 3; DTC C1940: Transmitter low battery voltage abnormality 4; DTC C1911: Reception abnormality 1; DTC C1921: Reception abnormality 2; DTC C1931: Reception abnormality 3; DTC C1941: Reception abnormality 4
- DTC C1912: Tire inflation pressure warning 1; DTC C1922: Tire inflation pressure warning 2; DTC C1932: Tire inflation pressure warning 3; DTC C1942: Tire inflation pressure warning 4
- DTC C1913: Acceleration sensor abnormality 1; DTC C1923: Acceleration sensor abnormality 2; DTC C1933: Acceleration sensor abnormality 3; DTC C1943: Acceleration sensor abnormality 4; DTC C1914: Pressure sensor abnormality 1; DTC C1924: Pressure sensor abnormality 2; DTC C1934: Pressure sensor abnormality 3; DTC C1944: Pressure sensor abnormality 4
- DTC C1915: Transmitter OFF mode 1; DTC C1925: Transmitter OFF mode 2; DTC C1935: Transmitter OFF mode 3; DTC C1945: Transmitter OFF mode 4
- DTC U0019: Bus off(CAN-B)
- DTC U0141: ETACS-ECU CAN timeout
- DTC U0151: SRS-ECU CAN timeout
- DTC U0154: Occupant classification-ECU CAN timeout
- DTC U0155: Combination meter CAN timeout
- DTC U0164: A/C-ECU CAN timeout
- DTC U0184: Audio CAN timeout
- DTC U0245: Audio visual navigation unit CAN timeout
- DTC U1412: Implausible vehicle speed signal received
- DTC U1415: Coding not completed/Data fail
- DTC U1417: Implausible coding data
- Trouble Symptom Chart
- Symptom Procedures
- Inspection Procedure 1: Cannot communicate with KOS-ECU using the scan tool
- Inspection Procedure 2: Abnormality in KOS-ECU power supply and ground circuits
- Inspection Procedure 3: Keyless operation warning display does not disappear
- Inspection Procedure 4: IG knob will not turn (keyless operation is not recognized)
- Inspection Procedure 5: The engine will not start with KOS (IG knob operates normally)
- Inspection Procedure 6: No door will be locked or unlocked by operating a lock/unlock switch on any door
- Inspection Procedure 7: Driver's door lock/unlock switch does not work
- Inspection Procedure 8: Front passenger's door lock/unlock switch does not work
- Inspection Procedure 9: The lock switch and open switch of the liftgate lock release handle do not work
- Inspection Procedure 10: The lock switch of the liftgate lock release handle does not perform the locking operation
- Inspection Procedure 11: The open switch of the liftgate lock release handle does not perform the unlocking operation
- Inspection Procedure 12: Keyless entry system does not work
- Inspection Procedure 13: KOS timer lock function does not work
- Inspection Procedure 14: The dome light, the turn-signal lights and the horn do not operate through the answerback function
- Inspection Procedure 15: Outer tone alarm does not sound
- Inspection Procedure 16: The keyless operation key cannot be registered using scan tool
- Inspection Procedure 17: Engine does not start with emergency key (cranking but no initial combustion)
- Inspection Procedure 18: Power door locks with selective unlocking does not work
- Data List Reference Chart
- Actuator Test Chart
- Terminal Voltage Reference Chart
- On-Vehicle Service
- Id Codes Registration Procedure
- Notes
- Registration Using Scan Tool MB991958 (M.U.T.-III Sub Assembly)
- "Key & F.A.S.T. -Key Reg" Method
- "Steering Lock Unit Reg." Method
- "Comm. Test" Method
- "Tire Pressure Sensor Id Registration" Method
- "TPMS Transmitter Check" Method
- "Tire Pressure Sensor Id Check" Method
- Registration Not Using Scan Tool MB991958 (M.U.T.-III Sub Assembly) < USA Only >
- Antenna Communication Test
- Keyless Entry System Check
- Inspection Of Keyless Entry Timer Lock Function
- Power Door Locks With Selective Unlocking Inspection
- Tire Pressure Sensor Check
- Tire Pressure Sensor Id Check
- Customization Function
- Id Codes Registration Procedure
- Kos-Ecu
- Exterior Transmitter Antenna Assembly, Interior Transmitter Antenna Assembly, Receiver Antenna Module
- Keyless Operation Key
- TPMS Transmitter