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 ...
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In service mode, the remote engine start
function is temporarily disabled to prevent
the system from unexpectedly starting the
engine while being serviced.
To engage or disengage service mode:
1. Enter the vehicle and close all vehicle
doors and the rear gate.
2. Verify that the select le ...
Climate control panel
WARNING
In the Subaru Ascent, the cooling function of the climate control system
operates only when the engine is running. Always ensure the engine is active
when relying on air conditioning.
Never leave children, dependent individuals, or pets unattended inside
the Subaru Ascent. On ...
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CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULENOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedures. Basic Diagnostic Procedure">1. OUT ...
