DTC B1143 13: IG2 Relay Control Circuit Malfunction: Notes

DTC B1143 13 DETECTION CONDITION AND POSSIBLE CAUSE

Description	IG2 relay control circuit malfunction
Detection condition	Front body control module (FBCM) detects an open circuit in the IG2 relay control circuit for 2 s or more  with the ignition switched ON (engine off or on).
Fail-safe function	Not applicable
Possible cause	Start stop unit connector or terminal malfunction Front body control module (FBCM) connector or terminal malfunction Open circuit in the wiring harness between start stop unit terminal 2D and front body control module (FBCM) terminal 2U Start stop unit malfunction Front body control module (FBCM) malfunction