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Basic Diagnostic Procedure

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTICS 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? Go to step 2  . Check the keyless entry system or keyless access system.
2 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 every three seconds.

  • After pressing the LOCK button:

    When monitoring lag is set to 0 seconds: Blinks twice every 0.5 seconds at 2 second intervals. When monitoring lag is set to 30 seconds: Blinks once every 0.4 seconds continuously for 30 seconds, then blinks twice every 0.5 seconds at 2 second intervals.

 Go to step 4  . Go to step 3  .
3 CHANGE SETTING OF SECURITY SYSTEM. 
Change the setting of security system to ON using Subaru Select Monitor. <Ref. to SECURITY SYSTEM ON/OFF SETTING , INSPECTION, Security System.>		 Is setting change completed correctly? Go to step 4  . Replace the body integrated unit. <Ref. to BODY INTEGRATED UNIT .>
4 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? Go to step 5  . Check the security indicator light. <Ref. to CHECK SECURITY INDICATOR LIGHT CIRCUIT , INSPECTION, Security System.>
5 CHECK SECURITY ALARM OPERATION. 
  1. Operate the driver's door lock switch to the UNLOCK side.
  2. Open any door, trunk lid or rear gate.
 Does the security alarm operate when opening any door, trunk lid, or rear gate? Go to step 6  . Check the following parts. <Ref. to CHECK DOOR SWITCH , INSPECTION, Keyless Entry System.>
  • Door switches
  • Trunk lid latch switch
  • 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? Go to step 7  . Check the following parts. <Ref. to CHECK DOOR SWITCH , INSPECTION, Keyless Entry System.>
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? Go to step 8  . Replace the body integrated unit. <Ref. to BODY INTEGRATED UNIT .>
8 CHECK IMPACT SENSOR (DEALER OPTION). 
Check the sensibility of impact sensor. <Ref. to CHECK IMPACT SENSOR , ADJUSTMENT, Impact Sensor.>
* For models not equipped: Go to step 9  .		 Is the sensibility set properly? Go to step 9  . Adjust the sensitivity. <Ref. to IMPACT SENSITIVITY ADJUSTMENT , ADJUSTMENT, Impact Sensor.>
9 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 terminal from battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
  5. Connect the ground terminal to battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
  6. Check the status of security indicator light.
 Does the security indicator light blinks twice within 0.5 seconds at 2 second intervals? Go to step 10  . Replace the body integrated unit. <Ref. to 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. <Ref. to SECURITY SYSTEM ON/OFF SETTING , INSPECTION, Security System.>
 Is setting change completed correctly? Restore the security system settings to those before the diagnosis and finish the diagnosis. Check the following parts.
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. <Ref. to USER CUSTOMIZING .>
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