Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Basic Diagnostics Procedure
| Step | Check | Yes | No |
|---|---|---|---|
| 1. INITIAL CHECK. Check the keyless entry system. |
Does the keyless entry system operate normally? | Go to step 2. | Check the keyless entry system. < Ref. to , INSPECTION , Keyless Entry System. > |
2. CHECK SECURITY ON/OFF SETTING.
|
Are the security indicator light blinking patterns as follows?
|
Go to step 3. | Check the security indicator light circuit. < Ref. to , CHECK SECURITY INDICATOR LIGHT CIRCUIT , INSPECTION, Security System. > |
3. CHECK SECURITY ON/OFF SETTING.
|
Are the security indicator light blinking patterns as follows?
|
Go to step 6. | Go to step 4. |
| 4. CHANGE SETTING OF SECURITY SYSTEM. Change the setting of security system to ON. < Ref. to , SECURITY SYSTEM ON/OFF SETTING , INSPECTION, Security System. > |
Is the setting change completed correctly? | Go to step 5. |
|
5. CHECK SETTING CHANGE OF SECURITY SYSTEM.
|
Are the security indicator light blinking patterns as follows?
|
Go to step 6. | Replace the body integrated unit. < Ref. to , Body Integrated Unit . > |
| 6. CHECK SECURITY SYSTEM OPERATION. Press the LOCK button on the transmitter and wait for 30 seconds. |
Is the blinking pattern of security indicator light "blink twice within 0.5 second in 2 seconds cycle"? | Go to step 7. | Replace the body integrated unit. < Ref. to , Body Integrated Unit . > |
| 7. CHECK SECURITY SYSTEM CANCEL OPERATION. Insert the key to door key cylinder to unlock. |
Is the blinking pattern of security indicator light as follows?
|
Press the LOCK button of transmitter, and wait for 30 seconds. Go to step 8. | Check door key cylinder circuit. < Ref. to , CHECK DOOR KEY CYLINDER SWITCH AND CIRCUIT , INSPECTION, Security System. > |
8. CHECK SECURITY ALARM OPERATION.
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Does the security alarm operate when opening any door, trunk or rear gate? | Go to step 9. |
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| 9. CHECK SECURITY ALARM OPERATION. Check the security alarm operation. |
Does all security alarm operate?
|
Go to step 10. |
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| 10. CHECK SECURITY ALARM CANCEL OPERATION. Press any button of transmitter while operating security alarm. Or turn the ignition switch OFF/ ON three times. |
Does all security alarm stop?
|
Go to step 11. | Check the ignition switch circuit. < Ref. to , CHECK IGNITION SWITCH CIRCUIT , INSPECTION, Security System. > |
| 11. CHECK SECURITY SYSTEM CONDITION MEMORY. Check if the system function properly when the battery is not connected temporally. < Ref. to , CHECK SECURITY SYSTEM CONDITION MEMORY , INSPECTION, Security System. > |
Does the system function properly when the battery is not connected temporally? | Go to step 12. | Replace the body integrated unit. < Ref. to , Body Integrated Unit . > |
| 12. CHECK IMPACT SENSOR. Check the impact sensor. < Ref. to , CHECK IMPACT SENSOR , ADJUSTMENT, Impact Sensor. > |
Is the sensibility set properly? | Press the UNLOCK button of transmitter, and finish the diagnosis. | Adjust the sensibility. < Ref. to ADJUSTMENT , Impact Sensor. > |
- Security alarm ON/OFF setting
At the time of shipping from the plant, the security alarm is set to "ON". However, when {Security setting initialization} is performed with the Subaru select monitor, the security alarm automatically is set to "OFF". When security initialization has been performed, always return the ON/OFF setting for the security alarm to "ON".
- Siren YES/NO setting
The {Siren YES/NO} setting of the item {Unit customization} of the Subaru select monitor always shall be set "NO". If it is set to "YES", the horn of the security alarm will not sound.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.