Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 724
SL-45
Impact Sensor
SECURITY AND LOCKS
19.Impact Sensor
A: REMOVAL
1) Remove the key from ignition switch.
2) Close all the doors, trunk lid and rear gate.
3) Press the UNLOCK button of the keyless trans-
mitter.
4) Disconnect the ground cable from battery.
5) Remove the impact sensor.
6) Change the setting of impact sensor using Sub-
aru Select Monitor.
B: INSTALLATION
1) Remove the key from ignition switch.
2) Close all the doors, trunk lid and rear gate.
3) Press the UNLOCK button of the keyless trans-
mitter.
4) Disconnect the ground cable from battery.
5) Install the impact sensor.
6) Change the setting of impact sensor using Sub-
aru Select Monitor.
C: OPERATION
1. IMPACT SENSOR SETTING USING SUB-
ARU SELECT MONITOR
1) Connect the Subaru Select Monitor to the data
link connector.
2) Turn the ignition switch to ON.
3) On the “System Selection Menu”, select {Integ.
unit mode}.
4) Select {ECM customizing}.
5) Make a impact monitor setting.
• When installing: ON
• When removing: OFF
6) Make a impact monitor ON/OFF setting.
• When installing: ON
• When removing: OFF
7) Turn the ignition switch to OFF, and then remove
the Subaru Select Monitor.
D: ADJUSTMENT
1. CHECK IMPACT SENSOR
1) Remove the key from ignition switch.
2) Close all the windows.
3) Close all the doors and the rear gate. Leave
open the front hood.
4) Press the LOCK button of the keyless transmit-
ter from outside of vehicle.
5) Check that the security indicator light blinks
twice within 0.5 seconds in 2 second cycles after 30
seconds.
6) Hit all windows with the palm with force repeat-
edly, to check for whether the security alarm oper-
ates. Lift up the front hood approx. 12 cm (4.7 in) or
more, and then drop it off to check the operation of
security alarm.
7) If NG, adjust the impact sensitivity.
2. IMPACT SENSITIVITY ADJUSTMENT
1) Connect the Subaru Select Monitor to the data
link connector.
2) Turn the ignition switch to ON.
3) On the “System Selection Menu”, select {Impact
Sensor}.
4) Make a {Sensitivity Adjustment Mode}.
• Sensitivity can be adjusted in 11 levels (0 to 10).
• Initial setting is 5.
• Smaller number means more sensitive.
• Larger number means less sensitive.
5) Turn the ignition switch to OFF, and then remove
the Subaru Select Monitor.
NOTE:
• Set the sensor so as not to let the alarm on nor-
mal vibration (reclining to the door, hit the ball and
etc.).
• Set the sensor to operate the alarm with hitting
the door or window glass, etc. continuously like a
mayhem by robbery.
• Even if there is no burglary attempt, if there is vi-
bration (road construction, elevated parking lots,
passage of trains or boarding of ferries), the alarm
can be triggered. Because of this, ask the customer
about their parking conditions, and set an appropri-
ate sensitivity level after discussion.
• The impact sensitivity can also be adjusted on
the manufacturer’s optional display, and it can be
set in 11 levels from 0 to 10. The sensitivity is set to
5 by default. (Unlike the specification of the Subaru
Select Monitor, the setting becomes duller as the
setting value becomes smaller, and more sensitive
as the number becomes larger.)
• If the sensitivity setting was not performed prop-
erly, a buzzer will sound four times. In this case,
check the following:
• Is there an error in CAN communication?
• Is there an open circuit in the harness between
the body integrated unit and the impact sensor?
• Is there a malfunction in the display, body inte-
grated unit or impact sensor?
SL-46
Keyless Entry Control Module
SECURITY AND LOCKS
20.Keyless Entry Control Mod-
ule
A: REMOVAL
1. 5 DOOR MODEL
1) Disconnect the ground cable from battery.
2) Remove the left rear quarter trim. <Ref. to EI-60,
3) Disconnect the keyless entry control module
connector.
4) Remove the bolt and then remove the keyless
entry control module.
2. 4 DOOR MODEL
1) Disconnect the ground cable from battery.
2) Remove the rear shelf trim. <Ref. to EI-62, RE-
3) Disconnect the keyless entry control module
connector.
4) Remove the bolt and then remove the keyless
entry control module.
B: INSTALLATION
Install each part in the reverse order of removal.
Tightening torque:
Keyless entry control module: 13 N·m (1.33
kgf-m, 9.6 ft-lb)
SL-00747
SL-00800
SL-47
Keyless Buzzer
SECURITY AND LOCKS
21.Keyless Buzzer
A: REMOVAL
1) Disconnect the ground cable from the battery.
2) Turn over the left front mud guard.
3) Remove the bolt, and then remove the keyless
buzzer.
B: INSTALLATION
Install each part in the reverse order of removal.
Tightening torque:
Keyless buzzer: 7.5 N·m (0.76 kgf-m, 5.5 ft-lb)
C: INSPECTION
Using the Subaru Select Monitor, perform forced
operation of the keyless buzzer. <Ref. to LAN(di-
ag)-24, FUNCTION CHECK, OPERATION, Suba-
ru Select Monitor.>
NOTE:
If it does not sound, replace the buzzer.
SL-00773
SL-48
Body Integrated Unit
SECURITY AND LOCKS
22.Body Integrated Unit
A: NOTE
1. WHEN REPLACING THE BODY INTE-
GRATED UNIT
1) Check and record the current setting. <Ref. to
LAN(diag)-19, CONFIRM CURRENT SETTING,
OPERATION, Subaru Select Monitor.>
2) Prepare the following.
• Security ID plate
• Required number of registered immobilizer keys
or new (not registered) immobilizer keys.
2. AFTER REPLACING THE BODY INTE-
GRATED UNIT
1) Register the immobilizer. For detailed operation
procedures, refer to “PC application help for Suba-
ru Select Monitor”.
2) Set the current settings as recorded.
B: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the driver’s side instrument panel lower
cover. <Ref. to EI-55, REMOVAL, Instrument Pan-
3) Remove the knee guard panel.
4) Disconnect the connector of body integrated
unit.
CAUTION:
Be careful to keep water and other foreign ma-
terials away from body integrated unit.
5) Remove the mounting bolt for the body integrat-
ed unit bracket, and remove the body integrated
unit.
C: INSTALLATION
Install each part in the reverse order of removal.
Tightening torque:
Body integrated unit: 7.5 N·m (0.76 kgf-m, 5.5
ft-lb)
NOTE:
Make sure that there are no differences from the
contents of the current settings after installation.
<Ref. to LAN(diag)-19, CONFIRM CURRENT
SETTING, OPERATION, Subaru Select Monitor.>
SL-00834
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