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Home >> Mazda >> 2023 >> CX-50 S Preferred Plus >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine (VIN M) >> Will Not Crank >> Notes

Will Not Crank: Notes

WILL NOT CRANK (SKYACTIV-G VIN M) TROUBLESHOOTING REFERENCE

Troubleshooting item Will not crank
Description
  • Starter does not work.
Possible cause
  • Battery malfunction
  • Fuse malfunction
  • Poor connection of push button start connector
  • Instrument cluster or related wiring harness malfunction
  • Immobilizer system malfunction
  • PCM continuous memory DTC is stored
  • Open circuit in PCM power supply circuit
  • Open circuit in main relay control circuit
  • CAN communication line malfunction between data link connector-2 and PCM
  • Main relay malfunction (stuck open)
  • Open or poor ground circuit
  • Poor connection of vehicle body ground
  • Starter relay malfunction
  • TCM and related wiring harness malfunction
  • Short to ground in starter relay control circuit
  • Open circuit in starter relay control circuit
  • Short to ground or open circuit in starter relay power supply circuit
  • Short to ground or open circuit in starter power supply circuit
  • Starting system malfunction
  • Following circuit and/or connector malfunction:
    • Between coil antenna and LF control unit
    • Between LF control unit and climate control unit
    • Between climate control unit and body control module (BCM)
    • Between body control module (BCM) and PCM
  • Seized engine or drive plate
  • Engine damage during compression due to liquid (such as water, fuel, or engine oil) penetration into cylinder
    WARNING:
    • The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:
      • Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
      • Highly pressurized fuel may spray out if the fuel line is cut. Due to the following dangers occurring with a fuel spray, always complete the "Fuel Line Safety Procedure" to prevent the fuel from spraying. (See BEFORE SERVICE PRECAUTION .)
        • Fuel may cause irritation if it comes in contact with skin and eyes.
        • If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.
      • Fuel is highly flammable and dangerous. Fuel line spills and leakage can cause serious injury or death, and damage to equipment. Always refer to the "Quick Release Connector Removal/Installation (fuel system)" before performing the fuel hose installation, and execute the "Fuel Leakage Inspection" after installation. (See QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION .) (See AFTER SERVICE PRECAUTION .)
    CAUTION:
    • Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.
G15738813Courtesy of MAZDA MOTORS CORP.
G15738814Courtesy of MAZDA MOTORS CORP.
G15738815Courtesy of MAZDA MOTORS CORP.
G15738816Courtesy of MAZDA MOTORS CORP.
G15738817Courtesy of MAZDA MOTORS CORP.
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