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Home >> Mazda >> 2017 >> 6 Touring, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Front Body Control Module (FBCM) >> DTC B1143-13; IG2 Relay Control Circuit Malfunction >> Notes
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DTC B1143-13; IG2 Relay Control Circuit Malfunction: Notes

DETECTION CONDITION & POSSIBLE CAUSES

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
G11544904