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Check Security Indicator Light Circuit

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 SECURITY INDICATOR LIGHT CIRCUIT

Step Check Yes No
1 CHECK SECURITY INDICATOR LIGHT. 
  1. Disconnect the keyless entry control unit harness connector.
  2. Ground the harness connector terminal with a suitable wire.

    Connector & terminal 

    (B176) No. 15 - Chassis ground: 

 Does the security indicator light illuminate? Replace the keyless entry control unit. Go to step 2. 
2 CHECK POWER SUPPLY FOR SECURITY INDICATOR LIGHT. 
  1. Disconnect the connector from the combination meter.
  2. Measure the voltage between the combination meter harness connector terminal and chassis ground.

    Connector & terminal 

    (i11) No. 10 (+) - Chassis ground (-): 

 Is the voltage more than 10 V? Go to step 3.  Check the harness for open circuits and shorts between the combination meter and the fuse.
3 CHECK SECURITY INDICATOR LIGHT CIRCUIT. 
Measure the resistance between the combination meter harness connector terminal and keyless entry control unit harness connector terminal.
Connector & terminal 
(i10) No. 6 - (B176) No. 15: 		 Is the resistance less than 10 n? Replace the combination meter printed circuit. Check the harness for open circuits and shorts between the combination meter and keyless entry control unit.
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