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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Symptom Troubleshooting - I-Stop (VIN A)) >> Engine Does Not Restart [PYUL] >> Outline

Engine Does Not Restart [PYUL]: Outline

WARNING: This page is about a different variant/trim than selected.
ENGINE DOES NOT RESTART (PYUL) DESCRIPTION AND POSSIBLE CAUSE

Description
  • The engine does not restart after the engine was stopped by the i-stop control.
Possible cause
  • DTCs are stored in the following modules.
    • PCM
    • TCM
    • Electronically controlled brake unit/DSC HU/CM
    • Dash-electrical supply unit
    • Body control module (BCM)
  • Engine does not crank when engine restart is initiated.
    • Engine starting system malfunction
  • i-stop (engine stop control) permit conditions are not met due to either of the following causes:
    • Driver operation
    • Environment (problem other than with vehicle)
    • i-stop related parts malfunction
NOTE:
  • PIDs related to i-stop can be displayed in a list using the M-MDS data monitor diagnostic function.
  • If the engine is stopped by the i-stop control while the following data monitor items on the M-MDS are being viewed, the data monitor items may no longer be displayed. 
    • ACC_LON_C
    • BRK_FLD_PRES
    • BRK_PEDAL_SW
    • WSPD_SEN_L/F
    • WSPD_SEN_L/R
    • WSPD_SEN_R/F
    • WSPD_SEN_R/R
System wiring diagram
  • Not applicable