Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b1146 airbag ecu malfunction

Diagnostic chart with trouble code

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Dtc b1650 occupant detection system malfunction

DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Occupant detection sensor malfunction, communication failure between airbag CM and occupant detection sensor, rear ha ...

Other materials:

Removal
CAUTION:Do not remove unless the PCV valve is broken.1. Remove the clip (A), and loosen the clamps (B) and (C) securing the air intake boot.2. Remove the air intake boot from the air cleaner case (rear) and throttle body, and move it to the left side wheel apron.3. Disconnect the PCV hose from the i ...