Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b177a buckle switch circuit low

Subaru Legacy BN/BS (2015-2019) Service Manual / Occupant detection system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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 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

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Other materials:

Inspection
1. DIODECAUTION:There is the possibility of damaging the diodes if a mega-tester (used to measure high voltages) or a similar measuring instrument is used. Never use a mega tester or equivalent for this test.1. Check for continuity between the diode lead and terminal E or B. If continuity is not as ...