Subaru Outback (BR): Basic Diagnostic Procedure of Body Control System

A: 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 the immobilizer is necessary after the replacement of the control module, etc. For details, refer to the "PC application help for Subaru Select Monitor".

NOTE:

• To check harness for open or short circuits, shake the suspected trouble spot or connector.
• Check List for Interview <Ref. to BC(diag)-3, Check List for Interview.>

Check List for Interview

A: CHECK

Inspect the following items regarding the vehicle's state.

General Description

A: CAUTION

1. SRS AIRBAG SYSTEM

Airbag system wiring harness is routed near the body integrated unit and body control circuits.

CAUTION:

• Do not use the electrical test equipment on all airbag system wiring harnesses and connectors.
• Be careful not to damage the airbag system wiring harness, when servicing the body control system.

B: INSPECTION

Before performing diagnosis, check the following items which might affect body control system problems.

1) Measure the battery voltage and check electrolyte.

Standard voltage: 12 V or more
Specific gravity: 1.260 or more

2) Check the fuse condition.

Make sure that ampere of the fuse is setting value, and it is not blown out.

3) Check the connecting condition of harness and harness connector.

4) Confirm settings of body integrated unit are corresponded to vehicle equipment. <Ref. to BC(diag)- 18, OPERATION, Registration Body Integrated Unit.>

5) Make sure that the User Customizing of the body integrated unit matches the vehicle equipment.

<Ref. to BC(diag)-16, OPERATION, User Customizing.>

6) Confirm "Factory initial setting" of body integrated unit registrations is "Market".

7) Confirm key illumination does not blink with ignition switch turned to ON.

C: PREPARATION TOOL

1. SPECIAL TOOL

2. GENERAL TOOL

Electrical Component Location

A: LOCATION

1. Body integrated unit

Control Module I/O Signal

A: ELECTRICAL SPECIFICATION

*1: For CAN sleep state, hold on for approx. one minute with ignition OFF and the doors, trunk, and rear gate all closed.
*2: Use an oscilloscope for measurement due to short output time.

Read Diagnostic Trouble Code (DTC)

A: OPERATION

For details concerning the work procedure, refer to the "PC application help for Subaru Select Monitor".

NOTE: For details concerning DTC, refer to List of Diagnostic Trouble Code (DTC). <Ref. to BC(diag)-21, List of Diagnostic Trouble Code (DTC).>

Clear Memory Mode

A: OPERATION

For details concerning the work procedure, refer to the "PC application help for Subaru Select Monitor".

Read Current Data

A: OPERATION

For details concerning the work procedure, refer to the "PC application help for Subaru Select Monitor".

B: LIST

NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".

User Customizing

A: OPERATION

1) On "Main Menu" display, select {Each System Check}.

2) On "System Selection Menu" display, select {Integ. unit mode}.

3) On "Integ. unit mode failure diag." display, select {Unit customizing}.

4) Change the setting with UP/DOWN key and set with the [OK] key.

List of User Customizing item

5) After setting, make sure that the setting changed in the {Current Data Display & Save} is same as vehicle equipment.

CAUTION:

• The above settings must match the actual vehicle equipment.
• Do not change settings except for setting above while setting the functions.
• Be sure not to change Factory initial setting except when installing a new body integrated unit.

NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".

Registration Body Integrated Unit

A: OPERATION

1. CONFIRM CURRENT SETTING.

1) On "Main Menu" display, select {Others}.

2) On "Other Menu" display, select {Customized Setting}.

3) Save the setting.

Required items for new registration. (Except for system not equipped)

2. REGISTRATION BODY INTEGRATED UNIT (FUNCTION SETTING)

CAUTION: For the body integrated unit, function selection is available to control the entire vehicle systems. It is possible to control the original functions of vehicle when registrations of body integrated unit and function setting are corresponded to vehicle equipment.

If registrations and function setting are different from vehicle equipment, vehicle system does not operate normally and diagnosis cannot be performed correctly. Pay attention to following item.

• Be sure to correspond registrations, or User Customizing settings to vehicle equipment.
• Do not change the settings of vehicle improperly.
• Make sure that the key illumination does not blink with ignition switch ON, or that the body integrated unit registration item, "Factory initial setting", is set as "Market". If "Factory initial setting" is set to "Factory", key illumination blinks when ignition key is turned ON, to notify that the settings are unconfirmed.
• Key illumination does not blink with ignition switch turned to ON and go off with door closed.
• Be sure to register immobilizer if body integrated unit is replaced with a new part.
• Make a registration of immobilizer when the parts related to immobilizer have been replaced. Refer to the "PC application help for Subaru Select Monitor".

1) On "Main Menu" display, select {Each System Check}.

2) On "System Selection Menu" display, select {Integ. unit mode}.

3) Click the [OK] button after the control module name {Integ. Unit} is displayed.

4) On "Integ. unit mode failure diag." display, select {Integ. Unit customizing}.

5) Change the setting to the contents saved at confirmation of current setting.

CAUTION:

• To perform normal operation of vehicle and diagnosis, the above settings must match the actual vehicle equipment.
• When the body integrated unit is new or in Factory mode, the key illumination blinks, and user customizing is incomplete. Check the user customizing settings.
• Be sure not to change Factory initial setting except when installing a new body integrated unit.

NOTE:

"Factory" mode:

• Body integrated unit has not been set yet. It can be recognized by key illumination blinking with ignition switch turned to ON.
• All replacement body integrated units are set to "Factory" mode. When replacing a body integrated unit, be sure to perform the registration operation.

"Market" mode:

• Each settings have been set. It can be recognized by key ring illumination coming on in concocting with room light and going off with ignition switch turned to ON.

6) Perform the Factory initial setting. On the "Integ. Unit customizing" display screen of Subaru Select Monitor, select the {Factory initial setting}.

7) Change the mode from Factory to Market.

8) Turn the ignition switch to OFF to settle the setting.

9) Change the Subaru Select Monitor system selection to "Immobilizer" to register the immobilizer key.

10) Perform procedures according to the "PC application help for Subaru Select Monitor".

11) When key registration is completed, "Do you want to register remote engine start?" is displayed. Perform registration only for equipped models.

12) Perform the User Customizing. <Ref. to BC(diag)-16, OPERATION, User Customizing.>

NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".

Function Check

A: OPERATION

NOTE: In order to check the body integrated unit function, inspect the body integrated unit and actuator using Subaru Select Monitor without operating switches.

1) On "Main Menu" display, select {Each System Check}.

2) On "System Selection Menu" display, select {Integ.

unit mode}.

3) On "Integ. unit mode failure diag." display, select {Function check}.

4) Select an item to be operated on "Function check" display, and press the [OK] button.

5) Pressing [Next] starts, [End] cancels the operation and [OK] returns to the System Operation Check Mode display screen.

NOTE:

• If not equipped (based on area or condition), process will not go on.
• For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".

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