Diagnostic Procedure with Diagnostic Trouble Code (DTC): Trouble symptom
- All functions of EyeSight system do not operate.
- EyeSight warning light illuminates.
- CHECK LAN SYSTEM.
Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure>PROCEDURE .
Is DTC for LAN system displayed?
- Yes : Perform the diagnosis of DTCs for LAN system.
- No : Go to 2.
- CHECK EPS control module.
Perform the diagnosis for the power steering system. Ref. to POWER STEERING (DIAGNOSTICS)>Basic Diagnostic Procedure .
Is DTC for power steering system displayed?
- Yes : Perform the diagnosis for DTC for the EPS.
- No : Go to 3.
- CHECK CONNECTOR.
Check the EPS control module connector and the stereo camera connector.
Is the check result OK?
- Yes : Go to 4.
- No : Repair or replace the connector.
- CHECK STEREO CAMERA.
Read the DTC. Ref. to EyeSight (DIAGNOSTICS)>Diagnostic Code(s) Display .
Is DTC other than DTC B28A4 displayed?
- Yes : Perform the diagnosis for DTC other than DTC B28A4.
- No : Go to 5.
- CHECK STEREO CAMERA.
- Clear the memory. Ref. to EyeSight (DIAGNOSTICS)>Clear memory .
- Read the DTC. Ref. to EyeSight (DIAGNOSTICS)>Diagnostic Code(s) Display .
Is DTC B28A4 displayed?
- Yes : Replace the stereo camera. Ref. to EyeSight>Stereo Camera>REMOVAL .
- No
: Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis.NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.