B2043

DTC B2043 FALL OF THE +B VOLTAGE

CIRCUIT DESCRIPTION

DTC Detecting Condition:

DTC B2043 is detected when the voltage of the +B terminal and IG terminal of the seat belt control ECU is not the same.

DTC B2043 is output when a malfunction inside the seat belt control ECU or the seat belt control ECU power supply circuit is detected.

Wiring Diagram:

Step 1-2:

INSPECTION PROCEDURE