Subaru Crosstrek Service Manual: Caution

1. SRS AIRBAG SYSTEM

The airbag system wiring harness is routed near the keyless access with push button start system.

CAUTION:

• Do not use electrical test equipment on any wiring harnesses and connectors in the airbag system.

• Be careful not to damage the wiring harness of the airbag system when servicing the keyless access with push button start system.

• Using the function setting (ECM customizing), check that the keyless access system is not OFF. Function Setting (Customize) > OPERATION">

• The dark current is approx. 400 mA if there is communication between the vehicle and access key.

• The dark current is approx. 40 mA if there is no communication between the vehicle and access key.*

1. Keyless access door unlock function check

(1) When carrying the access key with all doors locked by keyless lock operation, check that when the touch sensor (unlock) built in to the back side surface of door outer handle of front door is touched, the driver’s door will unlock (when touched on the driver’s side) or all doors will unlock (when touched on the passenger’s side) and the answer-back function operates (hazard light blinks twice, access buzzer sounds twice).

(2) In the keyless access door unlock detection area, hold the access key at the same height as the outer handle (approx. 80 cm from the ground) and in the direction shown in the figure, and check that the vehicle becomes unlock mode [access key LED (red) blinks] at 40 to 80 cm from the vehicle.

NOTE:

Check the access key battery if the LED (red) does not illuminates when the access key button is pressed. Access Key > INSPECTION">

2. Keyless access door lock function check

(1) When carrying the access key outside of the vehicle with all doors closed and unlocked, check that when the touch sensor (lock) on the surface of door outer handle of front door is touched, all doors will lock and the answer-back function operates (hazard light blinks once, access buzzer sounds once).

CAUTION:

If the access key is within the vehicle but not within the detection area (in the instrument panel, on the rear tray, in the glove box, on the floor, or in the door trim pocket), then lockout protection will not function when the doors are locked and the access key will be locked into the vehicle.

(2) To check the keyless access door lock operation range, hold the access key at a height of 10 cm under the bottom edge of the door glass (approx. 80 cm from the ground), point it in the direction shown in the figure at a distance of approx. 30 cm from the vehicle, and check that all doors lock and the answer-back function operates (hazard light blinks once, access buzzer sounds once) when you touch the touch sensor (lock).

(3) Check the passenger’s side door in the same manner.

NOTE:

• When the door cannot lock if the touch sensor (lock) is touched, touch the touch sensor (lock) with palm.

• Since communication is not possible within close range (20 cm or less) of the door outer handle, the access key may not operate if you touch the touch sensor (lock) with the same hand you are holding the access key.

• If the lockout prevention buzzer sounds, it is possible that the interior transmitter has radio wave leakage.

3. Check of the keyless access rear gate function

(1) With the rear gate locked, the all doors unlocks and the rear gate opens simultaneously and the answer-back function operates (hazard light blinks twice, external buzzer sounds twice) when you press the rear gate opener button while carrying the access key.

(2) To check the range for keyless access rear gate open operation, hold the access key behind and in the center of the vehicle at the same height as the rear gate opener button (90 cm from the ground), point it in the direction shown in the figure at a distance of 40 to 80 cm from the vehicle, and check that the all doors unlocks and the rear gate opens simultaneously and the answer-back function operates (hazard light blinks twice, external buzzer sounds twice) when the rear gate opener button is pressed.

(3) With the rear gate unlock, check that the all doors lock and the answer-back function operates (hazard light blinks once, external buzzer sounds once) when rear lock button is pressed while carrying the access key.

4. Keyless access ignition switching function check

(1) With the ignition OFF, enter the vehicle while carrying the access key. With the shift lever in the P range, check that the push button ignition switch indicator is illuminated in green when you depress the brake pedal, and check that the engine starts when you press the push button ignition switch while the indicator illuminated in green.

(2) While carrying the access key, check that the status changes as follows each time you press the push button ignition switch without depressing the brake pedal: ‘Ignition OFF’ > ‘ACC ON’ > ‘Ignition ON’ > ‘Ignition OFF’. However, if the shift lever is a range other than the P range and the push button ignition switch is pressed from ignition ON, then the status does not change to ignition OFF and instead will change to ACC ON.

(3) After the vehicle has stopped, press the push button ignition switch and ignition is turned OFF (engine stopped • all power supplies OFF). However, if the shift lever is in any range except for the P range and the push button ignition switch is pressed with the vehicle stopped, then the ignition is not turned OFF and instead the power supplies changes to ACC ON. Check that the steering lock operates if the door is opened in the ignition OFF state (However, the shift must be in the P range).

(4) To check the range of the keyless access ignition operation, check that the engine can start when you set the access key at the check position on the seat in the direction indicated in the figure.

The access key may not be correctly detected even though it is within the detection area within the passenger room, if it is on the instrument panel, on the rear tray, in the glove box, on the floor, or in the door trim pocket.

Perform the check multiple times, once each with the access key positioned on the driver’s seat, on the passenger’s seat, and on the rear seat in 2 locations.

5. Lockout protection function check (in the passenger room)

CAUTION:

Open one of the windows before performing this check in order to prevent the key from being locked inside the vehicle.

(1) Position the access key on the driver’s or passenger’s seat.

(2) Close all doors. (With all doors unlocked)

(3) Check that the doors do not lock and the lockout protection buzzer (exterior) sounds for 2 seconds when you touch the touch sensor (lock) of either the driver’s or passenger’s door.

6. Keyless access cancel function check

(1) After setting the keyless access cancel function, check that all keyless access and start system (keyless access) functions are inoperable. (For cancel setting, refer to Function Setting (Customize) > OPERATION">)

NOTE:

When keyless access is cancelled, door lock and unlock can be operated by access key button operation and the starter system can be operated by passing the access key over the push button ignition switch with the access key button toward you.

7. Access key diagnostic mode

(1) Connect to the Subaru Select Monitor, and select «Diagnosis» on the «Start» display.

(2) On «Vehicle selection» display, input the target vehicle information and select «Confirmed».

(3) On «Main Menu» display, select «Each System».

(4) On «Select System» display, select «Keyless Access with Push Button Start» and then select «Enter».

(5) On «Select Function» display, select «Work Support».

(6) From «Work Support», select «Keyless access system check».

(7) Select the transmitter to check from the items.

(8) Check that the door lock buzzer sounds (short blips, a continuous beeping sound for the center room antenna) when the access key is near the selected transmitter or antenna.

General description

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