DTC B281E: RAB Control Module

Detected when error occurs in sonar or RAB Control Module.

DTC detecting condition: 

• Defective RAB Control Module.
• Defective unit that is cooperatively controlled with stereo camera.

Trouble symptom: 

• The Reverse Automatic Braking function does not operate.
• RAB warning light illuminates.
• All functions of EyeSight system do not operate. (Functions terminated due to a cooperative control unit failure)
• EyeSight warning light illuminates. (Functions terminated due to a cooperative control unit failure)

1. CHECK DTCS (DETERMINING A FAILURE OF COOPERATIVE CONTROL UNIT)  .

   Read the DTC of [EyeSight] using the Subaru Select Monitor. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC other than DTC B281E displayed?

   Yes  : Perform the diagnosis for DTC other than DTC B281E.

   No  : Go to  2 .

2. CHECK DTC  .

   Read the DTC of [Reverse Automatic Braking] using the Subaru Select Monitor. Ref. to REVERSE AUTOMATIC BRAKING (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Are any DTCs displayed?

   Yes  : Perform the diagnosis for the displayed DTCs. Ref. to REVERSE AUTOMATIC BRAKING (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   No  : Finish the diagnosis.