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Eyesight System (Diagnostics): Diagnosis Subaru Forester SJ

Collision/avoidance ~1644 words

TROUBLE SYMPTOM

  1. EyeSight warning light blinks.

Adaptive cruise control or conventional cruise control can be set, but adaptive cruise control indicator light/constant speed cruise control indicator light and cruise SET indicator light do not illuminate.

StepCheckYesNo
1 CHECK ADAPTIVE CRUISE CONTROL INDICATOR LIGHT/CONSTANT SPEED CRUISE CONTROL INDICATOR LIGHT AND CRUISE SET INDICATOR LIGHT. Check the combination meter. < Ref. to OPERATION , System Operation Check Mode. >Does adaptive cruise control indicator light/constant speed cruise control indicator light and cruise SET indicator light illuminate?Go to step 2 .Replace the meter case assembly. < Ref. to COMBINATION METER . >
2 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. < Ref. to BASIC DIAGNOSTIC PROCEDURE . >Is a DTC of the LAN system detected?Perform the diagnosis according to DTC for LAN system.Replace the ECM. < Ref. to REMOVAL , Engine Control Module (ECM). >
  1. Cruise control cannot be set. (Cancelled immediately.)
  2. Cruise control cannot be released.

DTC B280A: VDC ABNORMAL

Detected when error occurs in the VDC. (VDC brake control malfunction 1)

Note. Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >

When the DTC is detected by the compulsory drive of brake light relay for VDC, ABS sequence control, or VDC sequence control, the system malfunction does not exist. So, clear the memory.

DTC B280B: VDC ABNORMAL

Detected when error occurs in the VDC. (VDC brake control malfunction 2)

Note. Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >

DTC B280C: VDC ABNORMAL

Detected when error occurs in the VDC. (VDC fluid pressure control prohibited)

Note. Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >

DTC B280D: VDC ABNORMAL

Detected when error occurs in the VDC. (Pre-collision BA prohibited)

Note. Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >

DTC B280E: VDC ABNORMAL

Detected when error occurs in the VDC. (VDC wrong variant)

Note. Check the VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >

DTC B280F: METER ABNORMAL

Malfunction is detected in the combination meter.

DTC DETECTING CONDITION

Defective combination meter

  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light blinks or illuminates.
  3. Combination meter does not illuminate.

Note. Check the combination meter. < Ref. to INSPECTION , Combination Meter System. >

Incorrect specifications of combination meter

All functions of EyeSight system do not operate.

Note. Replace the combination meter with the one designed for EyeSight.

  1. Defective brake switch
  2. Defective brake light switch
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.
  3. Malfunction indicator light illuminates.
  1. Input voltage to stereo camera is out of specifications.
  2. Defective stereo camera control harness (open circuit in +B harness)
  3. Defective stereo camera
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light blinks or illuminates.
  3. CRUISE indicator light blinks.
  4. Malfunction indicator light illuminates.
  5. VDC warning light illuminates.
  6. ATF temperature warning light illuminates.
  1. Defective VDC
  2. Defective CAN system
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.

Note. When this DTC is detected, check VDC system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >

When the DTC is detected by the ABS sequence control for VDC, VDC sequence control, or air bleeding from brake system with engine running, the system malfunction does not exist. So, clear the memory.

  1. Defective brake light relay
  2. Defective brake light switch
  3. Defective VDC
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.
  3. Brake light does not go off or illuminate.

Note. When this DTC is detected, check VDC system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >

When the DTC is detected by the compulsory drive of brake light relay for VDC, the system malfunction does not exist. So, clear the memory.

DTC B28A0: VEHICLE MODEL JUDGMENT ABNORMAL

Detected when the model code for stereo camera and the model code used for CAN data are different.

  1. Defective CAN system
  2. Defective stereo camera
  3. In the aiming operation, there is an open circuit in the +B harness of the stereo camera.
  4. In the completion of the aiming operation, the switching from IGN OFF to IGN ON takes place too early, and the recording of the model information has not yet been finished.
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.

DTC B28A1: ADAPTIVE CC ECM COMMUNICATION DATA ERROR

Detected when the engine control module (ECM) detects the malfunction of stereo camera, or when the stereo camera or ECM is assembled incorrectly.

  1. Defective CAN system
  2. Defective engine control module (ECM)
  3. Defective stereo camera
  4. Incorrect assembly of stereo camera (When the stereo camera designed for C-type vehicle is installed to the B-type vehicle, etc.)
  5. Incorrect assembly of ECM (When the ECM designed for B-type vehicle is installed to the C-type vehicle, etc.)
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.
StepCheckYesNo
1 CHECK ECM. Check the part number of the ECM.Is the ECM genuine?Go to step 2 .Replace the ECM.
2 CHECK STEREO CAMERA. Remove the camera cover. Check the part number of the stereo camera.Is the stereo camera genuine?Go to step 3 .Replace the stereo camera.
3 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >Is DTC displayed?Perform the diagnosis according to DTC.Go to step 4 .
4 CHECK ECM. Perform the diagnosis for the engine. < Ref. to BASIC DIAGNOSTIC PROCEDURE . >Is DTC displayed?Perform the diagnosis according to DTC.Go to step 5 .
5 CHECK CONNECTOR. Check the ECM connector and the stereo camera connector.Is the connector OK?Go to step 6 .Repair or replace the connector.
6 CHECK STEREO CAMERA. Read the DTC.Is another DTC displayed?Perform the diagnosis according to DTC.Go to step 7 .
7 CHECK STEREO CAMERA. Clear the memory. Read the DTC.Is the same DTC displayed?Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >Temporary poor contact.

DTC PROCEDURE

DTC B28A2: ADAPTIVE CC ECM COMMUNICATION DATA ERROR

Detected when the VDC control module (VDCCM) detects the malfunction of stereo camera.

  1. Defective CAN system
  2. Defective VDC control module (VDCCM)
  3. Defective stereo camera
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.
StepCheckYesNo
1 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >Is DTC displayed?Perform the diagnosis according to DTC.Go to step 2 .
2 CHECK VDC. Perform the diagnosis for VDC. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >Is DTC displayed?Perform the diagnosis according to DTC.Go to step 3 .
3 CHECK CONNECTOR. Check the VDC connector and the stereo camera connector.Is the connector OK?Go to step 4 .Repair or replace the connector.
4 CHECK STEREO CAMERA. Read the DTC.Is another DTC displayed?Perform the diagnosis according to DTC.Go to step 5 .
5 CHECK STEREO CAMERA. Clear the memory. Read the DTC.Is the same DTC displayed?Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >Temporary poor contact.

DTC PROCEDURE

DTC B28A3: ADAPTIVE CC ECM COMMUNICATION DATA ERROR

Detected when the combination meter detects the malfunction of stereo camera.

  1. Defective CAN system
  2. Defective combination meter
  3. Defective stereo camera
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.
StepCheckYesNo
1 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >Is the DTC displayed in the LAN system?Perform the diagnosis according to DTC.Go to step 2 .
2 CHECK COMBINATION METER. Check the combination meter.Is combination meter OK?Go to step 3 .Perform the diagnosis for combination meter.
3 CHECK CONNECTOR. Check the combination meter connector and the stereo camera connector.Is the connector OK?Go to step 4 .Repair or replace the connector.
4 CHECK STEREO CAMERA. Read the DTC.Is another DTC displayed?Perform the diagnosis according to DTC.Go to step 5 .
5 CHECK STEREO CAMERA. Clear the memory. Read the DTC.Is the same DTC displayed?Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >Temporary poor contact.

DTC PROCEDURE

DTC B28A5: ADAPTIVE CC ECM COMMUNICATION DATA ERROR

Detected when abnormal data is transmitted from stereo camera to engine control module (ECM) and the engine control module (ECM) prohibits the AT rapid start prevention control, or when the engine control module (ECM) prohibits the AT rapid start prevention control.

  1. Defective CAN system
  2. Defective engine control module (ECM)
  3. Defective stereo camera
  1. All functions of EyeSight system do not operate.
  2. EyeSight warning light illuminates.
StepCheckYesNo
1 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. < Ref. to BASIC DIAGNOSTIC PROCEDURE . >Is DTC displayed?Perform the diagnosis according to DTC.Go to step 2 .
2 CHECK ECM. Perform the diagnosis for the engine. < Ref. to BASIC DIAGNOSTIC PROCEDURE . >Is DTC displayed?Perform the diagnosis according to DTC.Go to step 3 .
3 CHECK CONNECTOR. Check the ECM connector and the stereo camera connector.Is the connector OK?Go to step 4 .Repair or replace the connector.
4 CHECK STEREO CAMERA. Read the DTC.Is another DTC displayed?Perform the diagnosis according to DTC.Go to step 5 .
5 CHECK STEREO CAMERA. Clear the memory. Read the DTC again.Is the same DTC displayed?Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >Temporary poor contact.

DTC PROCEDURE

DTC B28A6: STEREO CAMERA ABNORMAL

Detected when communication error occurs inside the stereo camera.

Communication error occurs inside the stereo camera.

All functions of EyeSight system do not operate.

StepCheckYesNo
1 CHECK RESTARTING. Turn the ignition switch to OFF. Start the engine. Read the DTC related to the stereo camera using the Subaru Select Monitor.Is DTC displayed after restarting the engine? (1)Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >Clear the memory, in which temporary communication failure occurs and complete the step.
(1) When malfunction is detected after restarting the engine, 0 is registered in IG counter. Other values can be regarded as DTCs detected in the past.
(1)When malfunction is detected after restarting the engine, 0 is registered in IG counter. Other values can be regarded as DTCs detected in the past.

DTC PROCEDURE

DTC B28A7: STEREO CAMERA ABNORMAL

Detected when error occurs in the communication data inside the control module caused by external factors such as noises.

Note. If the same DTC is still detected after the engine has restarted, replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >

DTC B28A8: STEREO CAMERA ABNORMAL

Detected when error occurs in the communication data inside the control module caused by external factors such as noises.

Note. If the same DTC is still detected after the engine has restarted, replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >

DTC B28A9: STEREO CAMERA ABNORMAL

Detected when error occurs in the communication data inside the control module caused by external factors such as noises.

Note. If the same DTC is still detected after the engine has restarted, replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >

DTC B28AA: STEREO CAMERA ABNORMAL

Detected when communication error occurs due to malfunction of microcomputer inside the stereo camera.

Communication error occurs due to malfunction of microcomputer inside the stereo camera.

All functions of EyeSight system do not operate.

For diagnostic procedure, refer to "DTC B28A6: STEREO CAMERA ABNORMAL". < Ref. to DTC B28A6: STEREO CAMERA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >

DTC B28AB: STEREO CAMERA ABNORMAL

Detected when communication error occurs due to malfunction of microcomputer inside the stereo camera.

Communication error occurs due to malfunction of microcomputer inside the stereo camera.

All functions of EyeSight system do not operate.

For diagnostic procedure, refer to "DTC B28A6: STEREO CAMERA ABNORMAL". < Ref. to DTC B28A6: STEREO CAMERA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >

DTC B28AC: STEREO CAMERA ABNORMAL

Detected when communication error occurs due to malfunction of ASIC.

Communication error occurs due to malfunction of ASIC.

All functions of EyeSight system do not operate.

For diagnostic procedure, refer to "DTC B28A6: STEREO CAMERA ABNORMAL". < Ref. to DTC B28A6: STEREO CAMERA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >

DTC B28AD: STEREO CAMERA ABNORMAL

Detected when improper image recognition occurs in the microcomputer inside the stereo camera.

Improper image recognition occurs in the microcomputer inside the stereo camera.

All functions of EyeSight system do not operate.

For diagnostic procedure, refer to "DTC B28A6 STEREO CAMERA ABNORMAL". < Ref. to DTC B28A6: STEREO CAMERA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >

DTC B28AE: STEREO CAMERA ABNORMAL

Detected when improper power supply inside the stereo camera occurs.

Improper power supply inside the stereo camera occurs.

All functions of EyeSight system do not operate.

For diagnostic procedure, refer to "DTC B28A6 STEREO CAMERA ABNORMAL". < Ref. to DTC B28A6: STEREO CAMERA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >

DTC B28AF: STEREO CAMERA ABNORMAL

Detected when adjustment or inspection of stereo camera has not been completed normally.

  1. Operation is aborted during adjustment or inspection of the stereo camera.
  2. After the replacement of the stereo camera, adjustment or inspection of camera has not yet been performed.

All functions of EyeSight system do not operate.

For diagnostic procedure, perform adjustment/inspection of camera. When the adjustment or inspection of camera is performed, and if it is not completed successfully, replace the camera.

DTC B28B0: STEREO CAMERA ABNORMAL

Detected when pre-collision brake OFF switch or lane departure warning OFF switch circuit is shorted.

Pre-collision brake OFF switch or lane departure warning OFF switch circuit stays ON for 45 seconds or more.

All functions of EyeSight system do not operate.

DTC B28B1: STEREO CAMERA ABNORMAL

Detected when the optical axis of stereo camera is deviated in lateral direction or when the fluctuation range of automatic adjustment value has expanded.

Note. Readjust the stereo camera. < Ref. to PROCEDURE , Camera Adjustment, Inspection. >

If the same DTC is still detected after readjustment, replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >

DTC B28B2: STEREO CAMERA ABNORMAL

Detected when the temperature of the stereo camera excessively increases.

Note. When this DTC is detected, performing adjustment or inspection of the camera will not return to the normal state. In this case, always replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >

DTC B28B3: STEREO CAMERA ABNORMAL

Detected when the temperature of the stereo camera excessively decreases.

Note. When this DTC is detected, performing adjustment or inspection of the camera will not return to the normal state. In this case, always replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. >

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