Subaru Crosstrek Service Manual: Basic diagnostic procedure Procedure
TELEMATICS SYSTEM (DIAGNOSTICS) > Basic Diagnostic Procedure
PROCEDURE
| STEP | CHECK | YES | NO |
1.PERFORM CUSTOMER INTERVIEW.
Using the Check List for Interview, ask the customer the condition of how the trouble occurred. Check List for Interview > CHECK">
Did you interview the customer?
Basic Diagnostic Procedure > PROCEDURE">Go to Step 2.
Interview the customer. Check List for Interview > CHECK">
2.CHECK SUBARU SELECT MONITOR COMMUNICATION.
Using the Subaru Select Monitor, check whether communication to the telematics system can be executed.
NOTE:
If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. (Refer to "Communication for initializing impossible".) Subaru Select Monitor > INSPECTION">
Is communication possible?
Basic Diagnostic Procedure > PROCEDURE">Go to Step 3.
Check the communication circuit.
3.CHECK TELEMATICS.
Using the Subaru Select Monitor, read DTC of the telematics system. Diagnostic Code(s) Display > OPERATION">
NOTE:
If DTC is detected, only RED LED will illuminate. For details, refer to "LED operation status list". Check List for Interview > CHECK">
Is DTC displayed?
Perform the diagnosis for the displayed DTCs. Diagnostic Code(s) Display > LIST">
Basic Diagnostic Procedure > PROCEDURE">Go to Step 4.
4.CHECK DIAGNOSTICS WITH PHENOMENON.
Check the list of Diagnostics with Phenomenon. Diagnostics with Phenomenon">
Does the symptom apply?
Perform diagnosis according to the procedures in the diagnostics with phenomenon.
Basic Diagnostic Procedure > PROCEDURE">Go to Step 5.
5.CHECK TROUBLE PHENOMENON.
1) Perform the basic inspection and function check. General Description > INSPECTION">
2) Check the data communication module. Control Module I/O Signal">
3) Perform check of current data. Read Current Data">
4) Perform a unit check.
Was the trouble cause found?
Perform the Clear Memory after repairing or replacing the cause of trouble. Clear Memory Mode">
System is normal.
Operation
TELEMATICS SYSTEM (DIAGNOSTICS) > System Operation Check ModeOPERATION1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information and sel ...
Check list for interview Check
TELEMATICS SYSTEM (DIAGNOSTICS) > Check List for InterviewCHECK1. CHECK LIST FOR INTERVIEW• Inspect the following items regarding the vehicle’s state.• Print out this page for int ...
Other materials:
To increase the speed (by accelerator pedal)
1. Depress the accelerator pedal to
accelerate the vehicle to the desired
speed.
2. Press the "RES/SET" switch to the
"SET" side once. Now the desired speed
is set and the vehicle will keep running at
that speed without depressing the accelerator
pedal.
NOTE
U.S.-spec. models
If t ...
Dtc p0031 a/f / o2 heater control circuit low bank 1 sensor 1
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