Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b1772 occupant detection sensor temperature too low

Subaru Legacy BN/BS (2015-2019) Service Manual / Occupant detection system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b1772 occupant detection sensor temperature too low

DTC DETECTING CONDITION:

Occupant detection control module is faulty.

When this DTC is displayed, the occupant detection control module is faulty.

Replace the occupant detection system (passenger’s & frame assembly). Front Seat > DISASSEMBLY

Dtc b1773 belt tension sensor circuit open

DTC DETECTING CONDITION:• Passenger’s seat belt tension sensor is faulty.• Airbag main harness circuit is open or shorted.• Occupant detection control module is faulty.CAUTION: ...

Dtc b1770 occupant detection sensor temperature too high

DTC DETECTING CONDITION:Occupant detection control module is faulty.When this DTC is displayed, the occupant detection control module is faulty.Replace the occupant detection system (passenger’s ...

Other materials:

Inspection
1. Check that the manifold absolute pressure sensor has no deformation, cracks or other damages.2. Connect dry-cell battery positive terminal to terminal No. 3 and dry-cell battery ground terminal to terminal No. 2, circuit tester ground terminal to terminal No. 2 and the circuit tester positive ter ...