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Basic Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Turbo model is model with immobilizer.
  • Non-turbo model is model without immobilizer.
BASIC DIAGNOSTIC PROCEDURE

Step Check Yes No
1 : CHECK SECURITY SYSTEM SETTING OPERATION. 
  1. Before starting this diagnosis, open all doors.
  2. Remove the key from ignition key cylinder, and then close all doors and rear gate.
  3. Press the LOCK/ARM button of transmitter.
Can the security system be set? Go to step 2.  Go to symptom 1. < Ref. to SYMPTOM CHART , Inspection, Security System. >
2 : CHECK SECURITY INDICATOR LIGHT AND HAZARD LIGHT BLINKING. 
Check the security indicator light and hazard light blinking.
NOTE: Model with immobilizer blinks twice, model without immobilizer blinks once.
Does the security indicator light and hazard light blink? Go to step 3.  Go to symptom 2. < Ref. to SYMPTOM CHART , Inspection, Security System. >
3 : CHECK SECURITY ALARM OPERATION. 
  1. Unlock all doors using the door lock switch on front door.
  2. Open any door or rear gate.
Does the security alarm operate when any door or rear gate is opened? Go to step 4.  Go to symptom 3. < Ref. to SYMPTOM CHART , Inspection, Security System. >
4 : CHECK SECURITY ALARM OPERATION. 
Check the security alarm operation.
Does all security alarm (horn, hazard light and security indicator light) operate? And is the starter motor deactivated? Go to step 5.  Go to symptom 4. < Ref. to SYMPTOM CHART , Inspection, Security System. >
5 : CHECK SECURITY ALARM CANCEL OPERATION. 
Press the UNLOCK/DISARM button of transmitter.
NOTE: Model with immobilizer blinks once, model without immobilizer is remain off.
Do all security alarm (horn and hazard light) stop? And is the starter motor activated? Go to step 6.  Go to symptom 5. < Ref. to SYMPTOM CHART , Inspection, Security System. >
6 : CHECK BATTERY DISCONNECT PROTECTION. 
Check the battery disconnect protection. < Ref. to CHECK BATTERY DISCONNECT PROTECTION , Inspection, Security System. >
Does the security system operate normally when the system is disconnected to battery temporarily? Go to step 7.  Replace the security control unit.
7 : PERFORM IMPACT SENSITIVITY TEST. 
Perform the impact sensitivity test. < Ref. to IMPACT SENSITIVITY TEST , Inspection, Security Control Unit. >
Is the impact sensitivity properly set? Press the UNLOCK/DISARM button of transmitter, and finish the diagnosis. Adjust the impact sensitivity. < Ref. to IMPACT SENSITIVITY , Adjustment, Security Control Unit. >