Operation CHARM: Car repair manuals for everyone.

B1794

DTC B1794 Open in Occupant Classification ECU Battery Positive Line

DESCRIPTION

DTC Detecting Condition:




This circuit consists of the occupant classification ECU and the power source circuit (battery, fuse, and wire harness).

DTC B1794 is recorded when a malfunction is detected in the occupant classification ECU or the power source circuit.

HINT: If DTC B1794 is output after switching the ignition switch off-on (IG)-off 50 times in a row when a malfunction occurs in the power circuit for the occupant classification system, the DTC is output again.

This DTC is output when a malfunction is detected even after being cleared unless the normal system code is input.

Wiring Diagram:






Step 1-2:




Step 2(continued)-4:




Step 4(continued)-7:




Step 7(continued):




INSPECTION PROCEDURE