Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 58 (ENGINE CONTROLS [SELF-DIAGNOSTICS 2.3L])SYSTEM TESTSPURGE CONTROL SYSTEM INSPECTION
2010 Mazda 5 Sport, 2.3 L, Standard
Purge Control System Inspection
2010 Mazda 5 Sport, 2.3 L, StandardSECTION Purge Control System Inspection
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Start engine.
- Disconnect vacuum hose between purge solenoid valve and charcoal canister.
- Put a finger to the purge solenoid valve and verify that there is no vacuum applied when engine is cold. If there is a vacuum, inspect following:
- Wire harness and connectors (Purge solenoid valve 2-pin harness connector terminal "A" to PCM 30-pin harness connector terminal "4U")
- Purge solenoid valve
- Warm up engine to normal operating temperature.
- Stop engine.
- Connect WDS or equivalent to DLC-2 and verify DTC P0443 is shown. Perform DTC inspection. Refer to DIAGNOSTIC TROUBLE CODE DEFINITIONS .
- Turn ignition on.
- Select ECT PID.
- Verify engine coolant temperature is more than 140°F (60°C). If WDS or equivalent indicates less than 140°F (60°C), perform ECT sensor inspection.
- Set vehicle on dynamometer or chassis roller.
- Drive vehicle at an engine speed of about 2000 RPM for 30 seconds or more.
- Put finger to purge solenoid valve and verify that there is no vacuum applied. If vacuum is present, inspect following:
- Wire harness and connectors (Main relay to purge solenoid valve 2-pin harness connector to PCM terminal 30-pin harness connector terminal "4U")
- Purge solenoid valve
- MAF, APP1, APP2, TP_REL and LOAD PIDs
WARNING:
When dynamometer or chassis roller is operating, there is a possibility operator may come into contact with or be caught up in the rotating parts, leading to serious injuries or death. When performing work while dynamometer or chassis roller is operating, be careful not to come into contact with or be caught up in any of rotating parts.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.