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Home >> Mazda >> 2025 >> CX-5 S Select >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine (VIN L) >> Engine Control System Operation Inspection >> With coolant control valve
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

With coolant control valve

WARNING:
  • Fuel is highly flammable and fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the [Fuel Line Safety Procedure], while referring to the [BEFORE SERVICE PRECAUTION]. (See BEFORE SERVICE PRECAUTION [VIN L (WITHOUT CYLINDER DEACTIVATION)] .)
NOTE:
  • For the spark inspection, determine the malfunctioning location using the following procedure.
FUEL PUMP (LOW-PRESSURE SIDE) CONTROL SYSTEM INSPECTION PROCEDURE (WITH COOLANT CONTROL VALVE)

Step Inspection Results Action
1 PURPOSE: INSPECT FOR OTHER RELATED DTCs 
  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Are any of the following DTCs displayed?
    • P0301:00
    • P0302:00
    • P0303:00
    • P0304:00
Yes Go to the next step.
No The ignition coil and the spark plug are normal.
If any other DTCs are displayed, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (VIN L (WITHOUT CYLINDER DEACTIVATION))] .)
2 PURPOSE: DETERMINE IF MALFUNCTION IS CAUSED BY IGNITION COIL  Yes Go to the next step.
No If a DTC (P0301:00, P0302:00, P0303:00, or P0304:00) other than the DTC displayed in Step 1 is displayed: 
If a DTC other than P0301:00, P0302:00, P0303:00, or P0304:00 is displayed: 
  • The ignition coil and the spark plug are normal.
3 PURPOSE: DETERMINE IF MALFUNCTION IS CAUSED BY SPARK PLUG  Yes The ignition coil and the spark plug are normal. The parts other than the ignition coil and the spark can be considered the cause of the malfunction.
No If a DTC (P0301:00, P0302:00, P0303:00, or P0304:00) other than the DTC displayed in Step 1 is displayed: 
If a DTC other than P0301:00, P0302:00, P0303:00, or P0304:00 is displayed: 
  • The ignition coil and the spark plug are normal.