Subaru Crosstrek Service Manual: Inspection
SECURITY AND LOCKS > Security System
INSPECTION
1. BASIC DIAGNOSTIC PROCEDURE
| STEP | CHECK | YES | NO |
1.INITIAL CHECK.
Check the keyless entry system or keyless access system operation.
Does the keyless entry system or keyless access system operate normally?
Security System > INSPECTION">Go to Step 2.
Check the keyless entry system or keyless access system.
• Keyless entry system: Keyless Entry System > INSPECTION">
• Keyless access system: General Description > CAUTION">
2.CHECK SECURITY ON/OFF SETTING.
1) Remove the key from ignition switch or turn off the power, and close all doors.
2) Check the status of security indicator light.
3) Press the LOCK button of the keyless transmitter or access key.
4) Check the security indicator light blinking patterns.
Is the security indicator light blinking patterns as follows?
• Before pressing the LOCK button: Blinks once within 3 seconds
• After pressing the LOCK button: When monitoring lag is set to 0 second, flashes twice within 0.5 seconds in 2 second intervals / When monitoring lag is set to 30 seconds, flashes once within 0.4 seconds in 30 seconds.
Security System > INSPECTION">Go to Step 4.
Security System > INSPECTION">Go to Step 3.
3.CHANGE SETTING OF SECURITY SYSTEM.
Change the setting of security system to ON using Subaru Select Monitor. Security System > INSPECTION">
Is setting change completed correctly?
Security System > INSPECTION">Go to Step 4.
Replace the body integrated unit. Body Integrated Unit">
4.CHECK SECURITY SYSTEM OPERATION.
1) Remove the key from ignition switch or turn off the power, and close all doors.
2) Press the LOCK button on the keyless transmitter or access key, then wait for 30 seconds.
3) Check the security indicator light blinking patterns.
Does the security indicator light blink twice within 0.5 seconds in 2 second intervals?
Security System > INSPECTION">Go to Step 5.
Check the security indicator light. Security System > INSPECTION">
5.CHECK SECURITY ALARM OPERATION.
1) Operate the driver’s door lock switch to the UNLOCK side.
2) Open any door or rear gate.
Does the security alarm operate when opening any door or rear gate?
Security System > INSPECTION">Go to Step 6.
Check the following parts. Keyless Entry System > INSPECTION">
• Door switches
• Rear gate latch switch
6.CHECK SECURITY ALARM OPERATION.
Check the security alarm operation status.
During the operation, does the horn keep sounding and the hazard light blink?
Security System > INSPECTION">Go to Step 7.
Check the following parts. Keyless Entry System > INSPECTION">
• Horn: Security System > INSPECTION">
• Hazard light: Security System > INSPECTION">
7.CHECK SECURITY ALARM CANCEL OPERATION.
Press any button of the transmitter or access key while the security alarm is operating.
Do the horn sound and the blinking of the hazard light stop?
Security System > INSPECTION">Go to Step 8.
Replace the body integrated unit. Body Integrated Unit">
8.CHECK IMPACT SENSOR (DEALER OPTION).
Check the sensibility of impact sensor. Impact Sensor > ADJUSTMENT">
Is the sensibility set properly?
Security System > INSPECTION">Go to Step 9.
Adjust the sensitivity. Impact Sensor > ADJUSTMENT">
9.CHECK SECURITY SYSTEM CONDITION MEMORY.
1) Remove the key from ignition switch or turn off the power, and close all doors.
2) Open the front hood.
3) Press the LOCK button on the keyless transmitter or access key, then wait for 30 seconds.
4) Disconnect the ground cable from battery. NOTE">
5) Connect the ground cable to battery. NOTE">
6) Check the status of security indicator light.
Does the security indicator light blinks twice within 0.5 seconds at 2 second intervals?
Security System > INSPECTION">Go to Step 10.
Replace the body integrated unit. Body Integrated Unit">
10.CHECK SECURITY SYSTEM MANUAL ON/OFF SETTING.
1) Press the UNLOCK button of the keyless transmitter or access key.
2) Change the setting of security system. Security System > INSPECTION">
Is setting change completed correctly?
Restore the security system settings to those before the diagnosis and finish the diagnosis.
Check the following parts.
• Ignition switch circuit: Ignition Key Lock > INSPECTION">
• Door lock switch circuit: Door Lock Control System > INSPECTION">
NOTE:
If the horn sounds when the security is turned on (monitor condition) using the keyless transmitter or access key, check the function setting of the body integrated unit. As a cause, it is possible that the impact sensor present (ON) / not present (OFF) setting is set to ON in the customization function though there is no impact sensor. User Customizing">
2. CHECK SECURITY SYSTEM CONDITION MEMORY
1. Pull out the key from the ignition switch, or turn the ignition switch to OFF.
2. Close all the doors and rear gate.
3. Open the front hood.
4. Press the LOCK button of the keyless transmitter or access key.
NOTE:
Wait until the security indicator light blinks twice within 0.5 seconds at 2 second intervals.
If the 30 second monitoring lag has been set, wait for 30 seconds.
5. Disconnect the ground cable from battery. NOTE">
6. Connect the ground cable to battery. NOTE">
7. Check that the security indicator light blinks twice within 0.5 seconds at 2 second intervals. When it does not blink, replace the body integrated unit.
3. SECURITY SYSTEM ON/OFF SETTING
NOTE:
It can be set by «Security Alarm Setup» in unit customizing using Subaru Select Monitor.
For detailed operation procedures, refer to “Application help”.
1. Close all doors or rear gate, and sit down on the driver’s seat. Press the UNLOCK button of the keyless transmitter or access key.
2. Turn the ignition switch to ON.
3. Press the central door unlock switch and open the driver’s door simultaneously. (Keep the central door unlock switch pressed down.)
4. When the condition in step 3) continues for 10 seconds, the system switches to a mode reverse to the current mode.
Setting | Horn activation | Meter display |
ON > OFF | Twice | [AL_OF] |
OFF > ON | Once | [AL_ON] |
4. CHECK DOOR SWITCH
For operation procedure, refer to “CHECK DOOR SWITCH” of “Keyless Entry System”. Keyless Entry System > INSPECTION">
5. CHECK SECURITY INDICATOR LIGHT CIRCUIT
For operation procedures, refer to “CHECK SECURITY INDICATOR LIGHT CIRCUIT” of “IMMOBILIZER (DIAGNOSTICS)” section. Diagnostics Chart for Security Indicator Light > INSPECTION">
6. CHECK HORN
| STEP | CHECK | YES | NO |
1.CHECK HORN OPERATION.
Check the horn sounds when the horn switch is pushed.
Does the horn sound?
Security System > INSPECTION">Go to Step 2.
Check the horn circuit.
2.CHECK BODY INTEGRATED UNIT.
Select and perform the «Horn Output» using Subaru Select Monitor.
NOTE:
For detailed operation procedures, refer to “Application help”.
Does the horn sound?
Horn circuit is OK.
Security System > INSPECTION">Go to Step 3.
3.CHECK HORN RELAY CIRCUIT.
1) Turn the ignition switch to OFF or turn the power to OFF.
2) Disconnect the connector of body integrated unit.
3) Remove the horn relay.
4) Check the harness between body integrated unit and horn relay.
Connector & terminal
(B280) No. 24 — Horn relay No. 4:
Is harness normal?
Check body integrated unit. Basic Diagnostic Procedure">
Repair or replace the harness.
7. CHECK HAZARD LIGHT OPERATION
For operation procedure, refer to “CHECK HAZARD LIGHT OPERATION” of “Keyless Entry System”. Keyless Entry System > INSPECTION">
8. CHECK IGNITION SWITCH CIRCUIT
| STEP | CHECK | YES | NO |
1.CHECK DATA MONITOR.
Display the data of «BATT voltage» and «IGN voltage» using the Subaru Select Monitor.
NOTE:
For detailed operation procedures, refer to “Application help”.
Does the «IGN voltage» indicate 0 V when the ignition is OFF, and fall within a range of ±1 V from the «BATT voltage» when the ignition is ON?
The ignition switch input circuit is OK.
Security System > INSPECTION">Go to Step 2.
2.CHECK IGNITION SWITCH CIRCUIT.
1) Turn the ignition switch to OFF or turn off the power.
2) Disconnect the connector of body integrated unit.
3) Turn the ignition switch to ON.
4) Measure the voltage between the body integrated unit connector and chassis ground.
Connector & terminal
(B281) No. 3 (+) — Chassis ground (−):
Is the voltage 10 V or more?
Check body integrated unit. Basic Diagnostic Procedure">
Check the harness for open or short circuit between body integrated unit and fuse.
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