Airflow Inspection
Note
1. Disconnect the negative battery cable.
2. Remove the purge solenoid valve. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION.)
3. Inspect airflow between the ports under the following conditions.


Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See F43 PCM REMOVAL/INSTALLATION.)
2. Inspect the following wiring harness for open or short (continuity check).

Open circuit
- Purge solenoid valve terminal A (harness-side) and PCM terminal 4U
- Purge solenoid valve terminal B (harness-side) and main relay terminal C (harness-side)
Short circuit
- Purge solenoid valve terminal A (harness-side) and body GND
- Purge solenoid valve terminal B (harness-side) and power supply
Purge solenoid valve removal/installation
Egr valve removal/installationMazda 6 Service Manual: Wiper and washer switch inspection
Windshield Wiper And Washer Switch
Without vehicle-speed sensing type wipers
1. Remove the wiper and washer switch. (See WIPER AND WASHER SWITCH
REMOVAL/INSTALLATION)
2. Inspect for continuity between the wiper and washer switch terminals using
an ohmmeter.
If not as specified, replace th ...
Mazda 6 Service Manual: Clutch cover inspection
1. Measure the wear of the diaphragm spring fingers.
If not as specified, replace the clutch cover.
Depth
0.6 mm {0.024 in} max.
2. Measure the flatness of the pressure plate with a straight edge and a
feeler gauge.
If not as specified, replace the clutch cover.
Maximum ...