Subaru Crosstrek Service Manual: Basic diagnostic procedure Procedure

CAUTION:

• Before performing all diagnostics or cruise control diagnostics, always start the engine and make sure that the initial illumination of the ABS/VDC warning light has been ended. (If you start the diagnostics before performing the above procedures, the cancel code “43” is recorded and CRUISE indicator does not illuminate even though the CRUISE switch is pressed.)

• When performing diagnosis, observe the legal speed limit on the road.

• The cancel code will be also appear when cruise control is cancelled by the driver’s operation. Do not confuse them.

• Be sure to get an assistant to support the diagnosis while driving, and have him/her operate the select monitor.

1.CHECK MALFUNCTION INDICATOR LIGHT.

Make sure the malfunction indicator light illuminates.

Does the malfunction indicator light illuminate?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 5.

Basic Diagnostic Procedure > PROCEDURE">Go to Step 2.

2.CHECK CRUISE INDICATOR LIGHT.

Make sure the cruise indicator light blinks.

Does the cruise indicator light blink?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 7.

Basic Diagnostic Procedure > PROCEDURE">Go to Step 3.

3.CHECK CRUISE SWITCH OPERATION.

Check the CRUISE switch operation. (Check the illumination of the CRUISE indicator.)

Is the CRUISE switch turned on? (Does the CRUISE indicator illuminate?)

Basic Diagnostic Procedure > PROCEDURE">Go to Step 4.

Go to phenomenon 1. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

4.CHECK CRUISE CONTROL SET OPERATION.

Check the cruise control setting operation.

Can the cruise control be set while driving at 40 km/h (25 MPH) or more?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 8.

Basic Diagnostic Procedure > PROCEDURE">Go to Step 7.

5.CHECK DTC.

Read all DTCs using the Subaru Select Monitor.

Is an engine or ABS/VDC related DTC displayed?

Record the DTC. Basic Diagnostic Procedure > PROCEDURE">Go to Step 6.

Go to phenomenon 2. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

6.CHECK FREEZE FRAME DATA.

Using the Subaru Select Monitor, check the Freeze Frame Data or Information in Trouble State.

Was the Freeze Frame Data or Information in Trouble State recorded?

Record the data. Perform the diagnosis according to the engine or ABS/VDC related DTC.

Perform the diagnosis according to the engine or ABS/VDC related DTC.

7.CHECK CANCEL CODE.

Using the Subaru Select Monitor, read the cancel codes.

NOTE:

• Do not turn the ignition switch to OFF after the cruise control is deactivated.

• Do not operate the cruise control command switch after the cruise control is deactivated.

Is it possible to read the cancel codes?

Perform the diagnosis according to the cancel code. List of Cancel Code > LIST">

Basic Diagnostic Procedure > PROCEDURE">Go to Step 8.

8.CHECK SET INDICATOR.

Check the illumination of the SET indicator.

Does the SET indicator illuminate?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 9.

Go to phenomenon 3. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

9.CHECK VEHICLE SPEED IS HELD WITHIN SET SPEED.

Make sure the vehicle speed is held within set speed.

Is the vehicle speed kept within setting speed ±3 km/h (±2 MPH)? (Make sure that on a level road.)

Basic Diagnostic Procedure > PROCEDURE">Go to Step 10.

Go to phenomenon 4. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

10.CHECK RES/+ OPERATION.

Check the RES/+ switch operation.

Does the vehicle speed increase or return to set speed after RES/+ switch has been pressed?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 11.

Go to phenomenon 5. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

11.CHECK SET/− OPERATION.

Check the SET/− switch operation.

Does the vehicle speed decrease after SET/− switch has been pressed?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 12.

Go to phenomenon 6. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

12.CANCEL OPERATION CHECK.

Check the CANCEL switch operation.

Is the cruise control released after CANCEL switch has been pressed?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 13.

Go to phenomenon 7. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

13.CHECK CRUISE CONTROL RELEASE OPERATION.

Check the cruise control release operation.

Is the cruise control released after brake pedal has been depressed?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 14.

Go to phenomenon 8. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

14.CHECK CRUISE CONTROL RELEASE OPERATION.

Check the cruise control release operation.

Is the cruise control released after shifting to the neutral position?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 15.

Go to phenomenon 9. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

15.CHECK CRUISE CONTROL RELEASE OPERATION.

Check the cruise control release operation.

Is the cruise control released after depressing the clutch pedal?

Finish the diagnosis.

Go to phenomenon 10. Diagnostics with Phenomenon > DIAGNOSTIC PROCEDURE WITH PHENOMENON">

Inspection

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