2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > FOG LAMP > DIAGNOSIS CODE PROCEDURES > CODE No. B1E1B Rear fog lamp FET fail
Code No.B1E1B Rear Fog Lamp(LH/RH) deactivated (FET failure)
 
 
cautionBefore replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
 
 
DIAGNOSTIC FUNCTION
Diagnosis code No. B1E1B will be set when the rear fog lamp control circuit in the ETACS-ECU fails.
 
 
JUDGEMENT CRITERIA
Diagnosis code No. B1E1B will be set when the ETACS-ECU detects a short to earth in its rear fog lamp control circuit.
 
 
PROBABLE CAUSES
  • Rear fog lamp control circuit fails
  • Malfunction of the ETACS-ECU
 
 
DIAGNOSIS PROCEDURE
M.U.T.-IIISE diagnosis code
Check if diagnosis code No. B1E1A is set in the ETACS-ECU.
Is the diagnosis code set?
Carry out the troubleshooting for diagnosis code No. B1E1A. On completion, replace the ETACS-ECU when it has not been replaced as the troubleshooting process for diagnosis code No. B1E1A. This is because diagnosis code No. B1E1B cannot be erased.
Replace the ETACS-ECU.