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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (On-Board Diagnostic - Start Stop Unit) >> DTC B124C-56: Turn Switch Circuit Malfunction >> Notes

DTC B124C-56: Turn Switch 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  Turn switch circuit malfunction
Detection condition 
  • The start stop unit detects that turn switches LH and RH are turned on simultaneously for 5 s or more  .
Fail-safe  -
Possible cause 
  • Start stop unit configuration error
  • The installations of the light switch and the wiper and washer switch are reversed.
  • Turn switch malfunction
  • Start stop unit malfunction
System wiring diagram  -
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