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Home >> Mazda >> 2023 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> On-Board Diagnostic - Start Stop Unit >> DTC B108C-23: Push Button Start Switch 2 Circuit Malfunction [Start Stop Unit] >> Notes

DTC B108C-23: Push Button Start Switch 2 Circuit Malfunction [Start Stop Unit]: Notes

DTC B108C:23 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description Push button start switch 2 circuit malfunction
Detection condition
  • Start stop unit detects the push button start switch 2 is stuck on for 120 s or more.
Fail-safe
  • Perform the control with the push button start switch 2 turned off.
Possible cause
  • Push button start connector or terminal malfunction
  • Start stop unit connector or terminal malfunction
  • Short to ground in wiring harness between start stop unit terminal 2J and push button start terminal I
  • Push button start switch 2 malfunction
  • Start stop unit malfunction
G15747488Courtesy of MAZDA MOTORS CORP.