Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b177b buckle switch circuit high

Subaru Legacy BN/BS (2015-2019) Service Manual / Occupant detection system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b177b buckle switch circuit high

DTC DETECTING CONDITION:

• Passenger’s buckle switch circuit is open, shorted or shorted to ground.

• Seat harness circuit is open, shorted or shorted to ground.

• Occupant detection control module is faulty.

For the diagnostic procedure, refer to DTC B177E. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B177E BUCKLE SWITCH RANGE

Dtc b177c ignition power supply high voltage

DTC DETECTING CONDITION:• Power supply voltage of occupant detection control module is faulty.• Occupant detection control module is faulty.• Seat harness circuit is open, shorted or ...

Dtc b177a buckle switch circuit low

DTC DETECTING CONDITION:• Passenger’s buckle switch circuit is open, shorted or shorted to ground.• Seat harness circuit is open, shorted or shorted to ground.• Occupant detect ...

Other materials:

Passenger’s airbag on off indicator light illumination pattern inspection
(1)Passenger’s airbag ON indicator light(6)Light ON(10)OFF(2)Passenger’s airbag OFF indicator light(7)Empty(11)ON(3)Occupant seating(8)Child(12)Approx. 6 seconds(4)Ignition switch(9)Adult(13)Approx. 2 seconds(5)Light OFF ...