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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Instrumentation/Driver Information/Horn) >> Diagnostic Information and Procedures >> Key Switch Signal Circuit Check >> Component Function Check
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Component Function Check

WARNING: This page is about a different car, the 2011 Suzuki Equator. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE CHART

Step Action YES NO
CHECK BCM INPUT SIGNAL 
Select "Data list" for "BCM" and check the "KEY ON SW" monitor value.
KEY ON SW 
When key is inserted into key cylinder: ON 
When key is removed from key cylinder: OFF 
Inspection End. Refer to Diagnosis Procedure .