2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Acceleration Malfunction: Notes

ACCELERATION MALFUNCTION (SKYACTIV-G) DESCRIPTION AND POSSIBLE CAUSE

Troubleshooting item Acceleration malfunction
Description
  • Acceleration from i-stop is not smooth.
  • Suppresses (shock) when accelerating vehicle from i-stop.
  • Engine vibration increases when engine is restarted.
Possible cause
NOTE:
  • MTX vehicles are not included because the driver releases the brake pedal and depresses the clutch pedal to accelerate.
Hill launch assist function system (DSC) malfunction 
  • False detection of inclination angle (cannot calculate correct road slope)
    • Low-G sensor (built-into SAS control module) malfunction (In this case, the SAS control module records DTCs C0061:29 and C0062:29.)
    • Low-G sensor (built-into SAS control module) initialization malfunction (In this case, the SAS control module records DTC U2100:00.)
  • False detection of brake fluid pressure
    • Brake fluid pressure sensor (built-into DSC HU/Control Module) malfunction (without Mazda M Hybrid)
    • Brake fluid pressure sensor (built-into electronically controlled brake unit) malfunction (with Mazda M Hybrid)
  • Cannot maintain brake fluid pressure
    • DSC HU/Control Module malfunction (without Mazda M Hybrid)
    • Electronically controlled brake unit malfunction (with Mazda M Hybrid)
ATX system malfunction 
  • Electric AT oil pump malfunction (operation malfunction, insufficient pressure)
    • Electric AT oil pump relay malfunction (stuck open)
    • Short to ground or open circuit in electric AT oil pump relay power supply circuit
    • Electric AT oil pump connector or terminals malfunction
    • Open circuit in electric AT oil pump ground circuit
    • Short to ground in electric AT oil pump power supply circuit
    • Open circuit in electric AT oil pump power supply circuit
    • TCM connector or terminals malfunction
    • Short to ground in any of the following circuits.
      • TCM power supply circuit
      • TCM signal circuit
    • Open circuit in any of the following circuits.
      • TCM power supply circuit
      • TCM signal circuit
    • Electric AT oil pump malfunction
    • TCM malfunction
  • ATX malfunction
G14584636Courtesy of MAZDA MOTORS CORP.


ACCELERATION MALFUNCTION (SKYACTIV-G - US) DESCRIPTION AND POSSIBLE CAUSE

Troubleshooting item Acceleration malfunction
Description
  • Acceleration from i-stop is not smooth.
  • Suppresses (shock) when accelerating vehicle from i-stop.
  • Engine vibration increases when engine is restarted.
Possible cause
NOTE:
  • MTX vehicles are not included because the driver releases the brake pedal and depresses the clutch pedal to accelerate.
Hill launch assist function system (DSC) malfunction 
  • False detection of inclination angle (cannot calculate correct road slope)
    • Low-G sensor (built-into SAS control module) malfunction (In this case, the SAS control module records DTCs C0061:29 and C0062:29.)
    • Low-G sensor (built-into SAS control module) initialization malfunction (In this case, the SAS control module records DTC U2100:00.)
  • False detection of brake fluid pressure
    • Brake fluid pressure sensor (built-into electronically controlled brake unit) malfunction
  • Cannot maintain brake fluid pressure
    • Electronically controlled brake unit malfunction
ATX system malfunction 
  • Electric AT oil pump malfunction (operation malfunction, insufficient pressure)
    • Electric AT oil pump relay malfunction (stuck open)
    • Short to ground or open circuit in electric AT oil pump relay power supply circuit
    • Electric AT oil pump connector or terminals malfunction
    • Open circuit in electric AT oil pump ground circuit
    • Short to ground in electric AT oil pump power supply circuit
    • Open circuit in electric AT oil pump power supply circuit
    • TCM connector or terminals malfunction
    • Short to ground in any of the following circuits.
  • TCM power supply circuit
  • TCM signal circuit
    • Open circuit in any of the following circuits.
    • TCM power supply circuit
    • TCM signal circuit
      • Electric AT oil pump malfunction
      • TCM malfunction
    • ATX malfunction
G14584651Courtesy of MAZDA MOTORS CORP.
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