Subaru Crosstrek Service Manual: Dtc u1235 lost communication with eyesight

DTC DETECTING CONDITION:

No data from stereo camera is received.

TROUBLE SYMPTOM:

Cooperation control of EyeSight does not operate properly.

1.CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE.

Was the basic diagnostic procedure performed up to STEP 3?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 2.

Perform the basic diagnostic procedure. Basic Diagnostic Procedure">

2.CHECK DTC.

Check the displayed DTC.

Are DTCs other than U*** displayed?

Perform the diagnosis according to DTC.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 3.

3.CHECK DTC.

Check the displayed DTC.

Is U1235 a current malfunction?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 4.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 8.

4.CHECK DTC.

1) Check CAN communication circuit. CAN Communication Circuit Check">

2) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">

Is U1235 a current malfunction?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 5.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 8.

5.CHECK DTC.

Using the Subaru Select Monitor, read DTC of all the systems. Read Diagnostic Trouble Code (DTC)">

Is the EyeSight data no-receive detected in several modules?

Replace the stereo camera. Stereo Camera">

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 6.

6.REPLACE MODULE.

1) Replace the stereo camera.

2) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">

Is U1235 a current malfunction?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 7.

System is normal.

7.CHECK MODULE.

1) Reinstall the stereo camera.

2) Replace the module that the DTC has been detected.

3) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">

Is U1235 a current malfunction?

Replace the stereo camera. Stereo Camera">

System is normal.

8.CHECK HARNESS.

1) Shake the harness, and check for poor contact.

2) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">

Is U1235 a current malfunction?

Repair the poor contact of harness, or replace the harness.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight">Go to Step 9.

9.CHECK CONNECTOR.

Check the connector used for high speed CAN for poor contact.

Is there poor contact of connector?

Repair the connector that has poor contact, or replace harness.

It is possible that temporary poor communication occurs. Delete the DTC.

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