DTC B1788: Occupant Detection Sensor Power Supply
Diagnosis start condition:
When the ignition voltage is 10 - 16 V.
DTC detecting condition:
Occupant detection control module malfunction
Trouble symptom:
Occupant judgment of occupant detection control module stops.
CAUTION:
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to OCCUPANT DETECTION (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
- CHECK DTC
.
- Turn the ignition switch to ON.
- Read the DTC of [Occupant Detection] using the Subaru Select Monitor. Ref. to OCCUPANT DETECTION (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is any of DTC 177F, B1780, B1781 or B1782 displayed? (Current malfunction)
Yes : Replace the cushion frame assembly. Ref. to SEATS>FRONT SEAT>DISASSEMBLY>PASSENGER'S SEAT .
No : Replace the occupant detection control module. Ref. to SEATS>FRONT SEAT>DISASSEMBLY>PASSENGER'S SEAT .