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Home >> Subaru >> 2007 >> Impreza Base, 4D Sedan, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Security And Locks) >> Keyless Entry System >> Inspection >> Check Keyless Buzzer

Check Keyless Buzzer

WARNING: This page is about a different car, the 2006 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
CHECK KEYLESS BUZZER

Step Check Yes No
1 CHECK FUSE. 
Remove and check the fuse No. 2 (located in main fuse box).
Is the fuse blown out? Replace the fuse with a new one. Go to step 2. 
2 CHECK KEYLESS POWER SUPPLY. 
  1. Disconnect the connector from keyless buzzer.
  2. Measure the voltage between keyless buzzer harness connector and chassis ground.

    Connector & terminal 

    (F102) No. 2 (+) - Chassis ground (-): 

Is the voltage more than 10 V? Go to step 3.  Check the harness for open or short between fuse and keyless buzzer.
3 CHECK HARNESS BETWEEN KEYLESS BUZZER AND KEYLESS ENTRY CONTROL UNIT. 
  1. Disconnect the connector from keyless entry control unit.
  2. Measure the resistance between keyless buzzer and keyless entry control unit.

    Connector & terminal 

    (F102) No. 1 - (B176) No. 3: 

Is the resistance less than 10 Ω? Go to step 4.  Repair the harness between keyless buzzer and keyless entry control unit.
4 CHECK KEYLESS BUZZER. 
Make sure that the buzzer sounds when connecting battery positive lead to No. 2 terminal of keyless buzzer connector and battery ground lead to No. 1 terminal of keyless buzzer connector.
Does the buzzer sound? Replace the keyless entry control unit. Replace the keyless buzzer.