Keyless Operation System (Kos)
- General Information
- Service Specifications
- Diagnosis
- Standard Flow Of Diagnostic Troubleshooting
- Id Codes Registration Judgment Table
- Warning And Warning Indicator List
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- DTC B1731: Engine Control Module communication timeout
- DTC B1761: VIN not programmed
- DTC B1A08 Keyless/KOS key 1 performance; DTC B1A09 Keyless/KOS key 2 performance; DTC B1A0A Keyless/KOS key 3 performance; DTC B1A0B Keyless/KOS key 4 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 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), B2403: STL unit comm.(CRC), B2404: STL unit comm.(function code), B2405: STL unit comm.(rolling code), B2406: STL unit comm. (PTC operate), B2407: STL unit comm.(EEPROM), B2408: STL unit comm.(solenoid)
- DTC B2409: STL unit comm.(No response)
- DTC B240A FR antenna(outdoor) open
- DTC B240B FL antenna(outdoor) open
- DTC B240C Liftgate antenna(outdoor) open
- DTC B240D Front antenna(indoor) open
- DTC B240E RR antenna(indoor) open
- DTC B240F RL antenna(indoor) open
- DTC B2412 LF antenna power voltage
- DTC B2413: STL unit power voltage
- DTC B2414 Unlock sensor fail
- 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 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 U0197: Hands free module CAN timeout
- DTC U0245: Audio visual navigation unit CAN timeout
- DTC U1412: Implausible Vehicle Speed Signal Received
- DTC U1415: Coding not completed/Data fail
- Code No. 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 Switch On Any Door, or by touching The Unlock Sensor
- INSPECTION PROCEDURE 7: Driver's Door Lock Switch does not Work
- INSPECTION PROCEDURE 8: Driver's Door Unlock Sensor does not Work
- INSPECTION PROCEDURE 9: Front Passenger's Door Lock Switch does not Work
- INSPECTION PROCEDURE 10: Front Passenger's Door Unlock Sensor does not Work
- INSPECTION PROCEDURE 11: Lock Switch (Liftgate) does not Work
- INSPECTION PROCEDURE 12: Liftgate Lock Release Handle does not Work
- Inspection Procedure 13: Keyless Entry System Does Not Work
- INSPECTION PROCEDURE 14: KOS Timer Lock Function does not Work
- INSPECTION PROCEDURE 15: The Dome Light, The Turn-signal Lights and The Horn do not Operate through The Answerback Function
- INSPECTION PROCEDURE 16: Outer Tone alarm does not Sound
- Data List Reference Table
- Actuator Test Table
- Terminal Voltage Reference Chart
- Special Tools
- On-Vehicle Service
- Kos-Ecu
- Exterior Transmitter Antenna Assembly, Interior Transmitter Antenna Assembly, Receiver Antenna Module
- Keyless Operation Key
- TPMS Transmitter