Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Basic diagnostic procedure Procedure

Subaru Crosstrek Service Manual / Body control system (diagnostics) / Basic diagnostic procedure Procedure

BODY CONTROL SYSTEM (DIAGNOSTICS) > Basic Diagnostic Procedure

PROCEDURE

CAUTION:

Subaru Select Monitor is required for reading DTC, performing diagnosis and reading current data.

Remove foreign matter (dust, water, oil, etc.) from the body integrated unit connector during removal and installation.

Registration of immobilizer may be needed after the replacement of control modules, etc. For detailed procedure, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.

NOTE:

To check harness for open or short circuits, shake the suspected trouble spot or connector.

Check List for Interview Check List for Interview">

STEPCHECKYESNO

1.CHECK PRE-INSPECTION.

Ask the customer when and how the trouble occurred using the interview check list. Check List for Interview">

Did you interview the customer?

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

Interview the customer.

2.BASIC INSPECTION.

Check components which might affect body control. General Description > INSPECTION">

Is the component that might influence the body control problem normal?

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

Repair or replace each component.

3.CHECK DTC.

1) Read the DTC. Read Diagnostic Trouble Code (DTC)">

NOTE:

If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Subaru Select Monitor > COMMUNICATION FOR INITIALIZING IMPOSSIBLE">

2) Record all DTCs, time stamp and freeze frame data.

NOTE:

For time stamp, refer to “LAN SYSTEM”. General Description > CAUTION">

Is DTC displayed on Subaru Select Monitor?

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

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

4.PERFORM GENERAL DIAGNOSTICS.

Inspect using the “General Diagnostic Table”. General Diagnostic Table">

Is result of inspection OK?

The body control system is normal.

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

5.PERFORM DIAGNOSIS.

1) Correct the cause of trouble.

2) Perform the Clear Memory Mode. Clear Memory Mode">

3) Read the DTC. Read Diagnostic Trouble Code (DTC)">

Is DTC displayed on Subaru Select Monitor?

Repeat step 5 until DTC is not shown.

Finish the diagnosis.

List
BODY CONTROL SYSTEM (DIAGNOSTICS) > Read Current DataLISTItems to be displayedUnit of measureContentNoteBATT voltage (control)10 — 15 VBody integrated unit input valueAlwaysBATT voltage (BACKUP)1 ...

Check list for interview Check
BODY CONTROL SYSTEM (DIAGNOSTICS) > Check List for InterviewCHECKInspect the following items regarding the vehicle’s state.Body Control System Check List for Interview ...

Other materials:

Caution
POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > General DescriptionCAUTION1. SRS AIRBAG SYSTEMThe airbag system wiring harness is routed near the power steering control module.CAUTION:• Do not use the electrical test equipment on the airbag system wiring harnesses or connector circui ...

Dtc c1342 rl pressure reducing valve
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C1342 RL PRESSURE REDUCING VALVENOTE:For the diagnostic procedure, refer to “DTC C1362 NORMAL CLOSING VALVE 2”. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C ...

Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Camshaft Position SensorREMOVAL1. INTAKE SIDE1. Disconnect the ground cable from battery.2. Remove the air intake duct. (RH side only) Air Intake Duct > REMOVAL">3. Disconnect the connector (A) from the camshaft position sensor, and remove the cam ...

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