Automatic Transaxle Fluid (ATF) Condition Inspection
One way of determining whether the transaxle should be disassembled is by noting:
ATF Condition

Automatic Transaxle Fluid (ATF) Level Inspection
Caution
1. Park the vehicle on level ground.
2. Apply the parking brake and position wheel chocks securely to prevent the vehicle from rolling.
3. Adjust the length or thermistor probe to measure the same depth as the depth gauge and hold the probe with a paper holder. Insert into the filler tube and measure the temperature.

4. Warm up the engine until the ATF reaches 60-70 °C {140-158 ° F}.
5. Shift the selector lever and pause momentarily in each range (DL) while depressing the brake pedal.
6. Shift the selector lever to P position.
7. Verify that the ATF level is in the HOT range (65 °C{149 °F}) while the engine is idling.
ATF type
ATF M-V

Road test
Automatic transaxle fluid (atf) replacementMazda 6 Service Manual: Electrical troubleshooting tools
Jumper wire
A jumper wire is used to create a temporary circuit. Connect the jumper
wire between the terminals of a circuit to bypass a switch.
Caution
Do not connect a jumper wire from the power source line to a body
ground. This may cause burning or other damage to wiring harnesse ...
Mazda 6 Service Manual: Mass air flow (maf) sensor inspection
Voltage Inspection
Note
Perform the following inspection only when directed.
1. Visually inspect for the following on the MAF sensor.
Damage
Cracks
Terminal bends
Terminal rust
- If any of the above are found, replace the MAF sensor.
- If the MAF PID value is out of specifi ...