LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (On-Board Diagnostic - Start Stop Unit) >> DTC B112A-11: IG2 Relay Circuit Malfunction >> Notes

DTC B112A-11: IG2 Relay Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location  IG2 relay circuit malfunction
Detection condition 
  • With the ignition switched ON (engine off or on), the start stop unit detects IG2 relay circuit voltage of 2.5 V or less  for 0.5 s or more  .
Fail-safe  -
Possible cause 
  • Front body control module (FBCM) connector or terminal malfunction
  • Start stop unit connector or terminal malfunction
  • Short to ground in wiring harness between start stop unit terminal 2D and front body control module (FBCM) terminal 2U
  • Front body control module (FBCM) malfunction
  • Start stop unit malfunction
G10938197