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DTC B1166: Special mode
 
 
 
 
DIAGNOSTIC FUNCTION
When OSS-ECU is in the special operation mode (ECU is new), OSS-ECU stores DTC B1166, and flashes the indicator of electric motor switch in blue. When the electric motor switch is pressed, only the power supply mode of the vehicle can be changed without key certification.
noteAfter the VIN and key code are written, the operation mode shifts to the normal operation mode when the certification communication becomes valid at an electric motor switch operation, and the DTC B1166 is erased.
 
 
DTC SET CONDITION
Judgment Criterion
  • During special operation mode
 
 
TROUBLESHOOTING HINTS
  • VIN not written
  • Key code not written
  • Malfunction of OSS-ECU
  • KOS-ECU malfunction (registration is not complete after the simultaneous replacement with OSS-ECU)
  • Keyless operation key malfunction (registration is not complete after the simultaneous replacement with OSS-ECU)
 
 
DIAGNOSIS
1. KOS-ECU diagnostic trouble code check
2. Check if OSS-ECU DTC B1159, or B1160 is set.
3. After operating the electric motor switch from ON to OFF twice, recheck the diagnostic trouble code of OSS-ECU.