Main body ECM

Components Removal / installation

POWER SUPPLY & WIRE HARNESS

MAIN BODY ECM

EXPLODED VIEW

WORK SUPPORT

1. When replacing the main body ECM (Network gateway computer)

(1) For models without smart entry & start system, prepare all the registered keys.

(2) Use the SSM3 and carry out the following procedure.

(a) Connect the SSM3 to the DLC3.

(b) On the [Main Menu] screen, select [Each System Check].

(d) Click the [OK] button after the control name (integrated unit) is displayed.

(e) On the [Integ. unit mode failure diag.] screen, select [Work Support].

(f) On the [Work Support] screen, select [ECM Replacement].

(g) Select [Destination / Reading of function setting] and follow the display screen instructions.

NOTE:

Keep a record of any customize registration content that is displayed during this process.

(h) If an ECM replacement instruction is displayed, click the [OK] button.

(3) Replace the main body ECM (Network gateway computer).

NOTE:

·If you replace the main body ECM (Network gateway computer) without carrying out the above SSM3 procedure, start again and follow the above procedure.
·Restart the whole procedure if you happen to make a mistake along the way.

2. After replacing the main body ECM (Network gateway computer)

(1) Use the SSM3 and carry out the following procedure.

(a) Use the SSM3 and progress to the [Main Menu] screen to select [Each System Check].

(b) On the [System Selection Menu] screen, select [Integ. unit mode].

(d) On the [Integ. unit mode failure diag.] screen, select [Work Support].

(e) On the [Work Support] screen, select [ECM Replacement].

(f) Select [Destination / Writing of function setting] and follow the display screen instructions.

NOTE:

Check that the customize registration content that is displayed during this process is the same as what was recorded earlier.

(g) If a writing complete message is displayed, click the [OK] button to finish the procedure.

NOTE:

Restart the whole procedure if you happen to make a mistake along the way.

(2) If you wish to correct or modify any customize content, select from [Integ. unit mode failure diag.] to [Unit customizing] in the above procedure to set the registration content.

(3) For models without smart entry & start system, register the immobilizer.

NOTE:

For detailed operations, refer to the “Registration manual for immobilizer.”

CUSTOMIZE FUNCTION

1. Customization using the SSM3

(1) The following procedure can be used to check or set customization.

(a) Connect the SSM3 to the DLC3 and turn the ignition to IG ON.

(b) On the [Main Menu] screen, select [Each System Check].

(d) Click the [OK] button after the control name (integrated unit) is displayed.

(e) On the [Integ. unit mode failure diag.] screen, select [Unit customizing].

(f) Use the up and down keys to select each item and apply customization settings.

List of customization items

Displayed name	Initial setting value	Contents	Setting
[Auto Light Sensitivity Adjustment]	+-0%	Auto light control sensor sensitivity (illumination detection) adjustment function settings*1	Dark2/Dark1/+-0%/Light1/Light2
[Rr Defogger op. mode]	Normal	Rear defogger operation drive mode settings	Normal 2/Continuous 3
[Lighting Time]	15 s	Settings so that when the interior lamp is set to "DOOR", the interior lamp automatically turns off after all doors are closed	15 s/7.5 s/30 s
[I/L when ACC OFF]	support	Settings so that when the interior lamp is set to "DOOR", the interior lamp automatically turns on when the vehicle changes from ACC ON → OFF	support/no support
[I/L ON W/Door Key Unlock]	support	Settings so that when the interior lamp is set to "DOOR", the interior lamp automatically turns on when the smart key or mechanical key is used to unlock the door	support/no support
[Room Light when Aprchd]	support	Settings for the function that enables the interior lamp to turn on when you approach the vehicle while holding the smart key	support/no support
[Interior Light Control]	support	Settings for the function where the interior lamp turns on by the timer	support/no support
[Follow Me Home Lighting Time]	30 s	Settings for the follow me home lighting time	30 s/60 s/90 s/120 s
[Keyless Control]	Yes	Settings for the function that allows you to select to lock the door via operation of the electrical key transmitter SUB-ASSY (Electronic key)	YES or NO
[Hazard Answer Back]	ON	When the wireless lock switch of the transmitter is pressed, all hazard warning lights are illuminated simultaneously. All hazard warning lights illuminate twice when the unlock switch is pressed.	OFF or ON
[Open Door Warning]	ON	The buzzer sounds when the lock is pressed while any door is open.	OFF or ON
[Unlocking operation]*4	Yes	Settings for the function where all doors are unlocked when the electrical key transmitter SUB-ASSY (Electronic key) is operated twice	YES or NO
[Auto Lock Time]	30 s	This function controls the time from unlocking all doors until the activation of auto lock function.	30 s, 60 s, 120 s
[Trunk lid unlocking operation]	Long press (short)	Settings for the method of operation when opening the trunk with the electrical key transmitter SUB-ASSY (Electronic Key)	Push and hold (long)/One short push/Two short Pushes/Push and hold (short)
[Wireless Buzzer Volume]	Level 5	Wireless door lock buzzer volume	Level 7, Level 6, Level 5, Level 4, Level 3, Level 2, Level 1, or Level 0
[Destination Setting]	Changes depending on the destination	Area settings	Japan/North America/CAN/EU LHD/EK/CHN/KOR/UNI
[SUBARU/Toyota setting]	SUBARU	Manufacturer settings	SUBARU/Toyota
[Auto A/C setting]	support	Automatic air conditioner function settings	support/no support
[Halogen/HID setting]	HID	Head light system function settings	Halogen/HID
[MT/AT Setting]	Changes depending on vehicle specifications	Transmission type settings	MT/AT
[Factory initial setting]	Market	Mode to confirm customize settings	Market/Factory
[Initialization of function setting]	-	Customize function initialization	-

*1: As the setting is higher, the light turn on more easily.
*2: Rear defogger operation turns OFF after 15 minutes.
*3: Rear defogger operation repeats on a 2 minutes OFF, 15 minutes ON pattern.
*4: Only displayed in the EK model.

NOTE:

·The above settings are to be matched to particular vehicle equipment specifications.
·Do not change any other settings other than the above items when performing function configuration.
·Confirm that the main body ECM (Network gateway computer) registration content [Factory initial setting] is for the correct market. When it is in factory mode, this means that the settings have not been confirmed.

REMOVAL

1. Precautions

·Always carry out work support when replacing the main body ECM (Network gateway computer). (Refer to

)
·After turning the ignition switch to OFF, you may have to wait for a while before disconnecting the battery terminals. Check appropriate precautions for battery terminal disconnection before proceeding.

2. Disconnection of the battery ground terminal (Refer to

)

3. Removal of the instrument side panel LH (Refer to

)

4. Removal of the instrument panel under cover SUB-ASSY No. 1 (Refer to

)

5. Removal of the instrument panel junction block ASSY

(1) Disconnect the two connectors from the power steering computer ASSY.

(2) Disconnect the six connectors on the front of the instrument panel junction block ASSY.

(3) Undo the bolt and nut and detach the instrument panel junction block ASSY.

(4) As shown in the diagram, unhook the tabs and disconnect the instrument panel junction block ASSY rear connector.

(5) As shown in the diagram, unhook the tabs and release the connector lock.

(6) As shown in the diagram, unhook the tabs and detach the connector.

(7) Remove the instrument panel junction block ASSY.

6. Removal of the main body ECM (Network gateway computer)

(1) Press the instrument panel junction block ASSY tab to release the main body ECM (Network gateway computer) lock.

(2) Once the lock is released, insert a flat tip screwdriver horizontally that has been wrapped in protective tape between the main body ECM (Network gateway computer) and the instrument panel junction block ASSY.