Basic Diagnostic Procedure

INITIAL CHECK .
Check the keyless entry system or keyless access system operation.

Does the keyless entry system or keyless access system operate normally?

Yes: Go to 2.

No: Check the keyless entry system or keyless access system.
- Keyless entry system: Ref. to SECURITY AND LOCKS > Keyless Entry System > INSPECTION .
- Keyless access system: Ref. to KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > General Description > -- > KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM .
CHECK SECURITY ON/OFF SETTING .
1. Remove the key from ignition switch or turn the ignition to OFF, 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.
Yes: Go to 4.

No: Go to 3.
CHANGE SETTING OF SECURITY SYSTEM .
Change the setting of security system to ON using Subaru Select Monitor. Ref. to SECURITY AND LOCKS > Security System > SECURITY SYSTEM ON/OFF SETTING .

Is setting change completed correctly?

Yes: Go to 4.

No: Replace the body integrated unit. Ref. to SECURITY AND LOCKS > Body Integrated Unit .
CHECK SECURITY SYSTEM OPERATION .
1. Remove the key from ignition switch or turn the ignition to OFF, 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?

Yes: Go to 5.

No: Check the security indicator light. Ref. to SECURITY AND LOCKS > Security System > CHECK SECURITY INDICATOR LIGHT CIRCUIT .
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?

Yes: Go to 6.

No: Check the following parts. Ref. to SECURITY AND LOCKS > Keyless Entry System > CHECK DOOR SWITCH .
- Door switches
- Rear gate latch switch
CHECK SECURITY ALARM OPERATION .
Check the security alarm operation status.

During the operation, does the horn keep sounding and the hazard light blink?

Yes: Go to 7.

No: Check the following parts. Ref. to SECURITY AND LOCKS > Keyless Entry System > CHECK DOOR SWITCH .
- Horn: Ref. to SECURITY AND LOCKS > Security System > CHECK HORN .
- Hazard light: Ref. to SECURITY AND LOCKS > Security System > CHECK HAZARD LIGHT OPERATION .
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?

Yes: Go to 8.

No: Replace the body integrated unit. Ref. to SECURITY AND LOCKS > Body Integrated Unit .
CHECK IMPACT SENSOR (DEALER OPTION) .
Check the sensibility of impact sensor. Ref. to SECURITY AND LOCKS > Impact Sensor > CHECK IMPACT SENSOR .

Is the sensibility set properly?

Yes: Go to 9.

No: Adjust the sensitivity. Ref. to SECURITY AND LOCKS > Impact Sensor > IMPACT SENSITIVITY ADJUSTMENT .
CHECK SECURITY SYSTEM CONDITION MEMORY .
1. Remove the key from ignition switch or turn the ignition to OFF, 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.
5. Connect the ground cable to battery.
6. Check the status of security indicator light.
Does the security indicator light blinks twice within 0.5 seconds at 2 second intervals?

Yes: Go to 10.

No: Replace the body integrated unit. Ref. to SECURITY AND LOCKS > Body Integrated Unit .
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. Ref. to SECURITY AND LOCKS > Security System > SECURITY SYSTEM ON/OFF SETTING .
Is setting change completed correctly?

Yes: Restore the security system settings to those before the diagnosis and finish the diagnosis.

No: Check the following parts.
- Ignition switch circuit: Ref. to SECURITY AND LOCKS > Ignition Key Lock > INSPECTION .
- Door lock switch circuit: Ref. to SECURITY AND LOCKS > Door Lock Control System > CHECK DOOR LOCK SWITCH .

NOTE: If the horn sounds when the security is turned on (monitor condition) using the keyless transmitter, 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. Ref. to BODY CONTROL SYSTEM (DIAGNOSTICS) > USER CUSTOMIZING .