Operation Test
Carry out the EGR Control Inspection. (See EGR Control System Inspection.
Resistance Inspection
Note
1. Disconnect the negative battery cable.
2. Inspect resistance of the EGR valve coils.
Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION.)
2. Inspect the following wiring harness for open or short (continuity check).
Open circuit
- EGR valve terminal E (harness-side) and PCM terminal 4E
- EGR valve terminal A (harness-side) and PCM terminal 4H
- EGR valve terminal B (harness-side) and PCM terminal 4K
- EGR valve terminal F (harness-side) and PCM terminal 4N
- EGR valve terminal C or D (harness-side) and main relay terminal C (harness-side)
Short circuit
- EGR valve terminal E (harness-side) and GND
- EGR valve terminal A (harness-side) and GND
- EGR valve terminal B (harness-side) and GND
- EGR valve terminal F (harness-side) and GND
- EGR valve terminal C or D (harness-side) and power supply
3. Remove the EGR valve, and inspect for any damage or clogging.
Mazda 6 Service Manual: Rear bumper removal/installation
1. Disconnect the negative battery cable.
2. Remove the rear combination light.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Rear Bumper Removal Note
Pull the rear bumper ends (wheel arch) outward to disengage with the bumper
slider.
Cautio ...
Mazda 6 Service Manual: Transaxle oil inspection
1. Park the vehicle on level ground.
2. Remove the oil level plug and washer.
3. Verify that the oil is near the brim of the plug port.
If the oil level is lower than the low level, add the specified amount
and type of oil through the oil level plug hole.
Specified oil grade
API Ser ...