Without Using WDS or equivalent
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Warm up the engine and idle it.
- Turn the ignition switch off.
- Disconnect the quick release connector going to the charcoal canister from the engine room side. (See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION .)
- Start the engine and idle it. I
- After warming up the engine, verify that the vacuum is not present by placing a finger on the quick release connector for approx. 30 s
as shown in the figure.
- If the vacuum is not present, inspect the following:
- PCM terminal voltage
- Evaporative purge control
- Purge solenoid valve
- If the vacuum is not present, inspect the following:
- Verify that the vacuum is not present after approx. 30 s
from the engine starting.
- If the vacuum is not present, inspect the following.
- PCM terminal voltage
- Intake air temperature
- Evaporative purge control
- Throttle opening angle
- Load/No load identifying signal
- Purge solenoid valve
- If the vacuum is not present, inspect the following.