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DTC B1A10 Keyless/F.A.S.T. key 1 low BATT.
DTC B1A11 Keyless/F.A.S.T. key 2 low BATT.
DTC B1A12 Keyless/F.A.S.T. key 3 low BATT.
DTC B1A13 Keyless/F.A.S.T. key 4 low BATT.
DTC B1A14 Keyless key 5 low battery
DTC B1A15 Keyless key 6 low battery
DTC B1A16 Keyless key 7 low battery
DTC B1A17 Keyless key 8 low battery
 
 
cautionWhen replacing the ECU, always check that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
ETACS-ECU sets DTC No. B1A10, B1A11, B1A12, B1A13, B1A14, B1A15, B1A16, or B1A17 when it receives low battery voltage signal from the transmitter.
 
 
TECHNICAL DESCRIPTION (COMMENT)
  • B1A10: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 1 (the first transmitter registered in ETACS-ECU) five consecutive times.
  • B1A11: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 2 (the second transmitter registered in ETACS-ECU) five consecutive times.
  • B1A12: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 3 (the third transmitter registered in ETACS-ECU) five consecutive times.
  • B1A13: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 4 (the fourth transmitter registered in ETACS-ECU) five consecutive times.
  • B1A14: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 5 (the fifth transmitter registered in ETACS-ECU) five consecutive times.
  • B1A15: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 6 (the sixth transmitter registered in ETACS-ECU) five consecutive times.
  • B1A16: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 7 (the seventh transmitter registered in ETACS-ECU) five consecutive times.
  • B1A17: ETACS-ECU determines that the abnormality is present when it receives low battery voltage signal from the transmitter 8 (the eighth transmitter registered in ETACS-ECU) five consecutive times.
 
 
TROUBLESHOOTING HINTS
  • Battery failure in the transmitter
  • Malfunction of the transmitter
  • Malfunction of ETACS-ECU