Warning
1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
2. Disconnect the ECT sensor connector.

3. Remove the ECT sensor.
4. Install in the reverse order of removal.
Tightening torque 10-14 N·m
{1.02-1.42 kgf·m, 7.38-10.32 ft·lbf}
5. Refill the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
Manifold absolute pressure (map) sensor inspection
Engine coolant temperature (ect) sensor inspectionMazda 6 Service Manual: Dsc on-board diagnosis
On-Board Diagnostic (OBD) Test Description
(See ABS (ABS/TCS) ON-BOARD DIAGNOSIS)
DTC Table
PID/DATA Monitor Table
Active Command Modes Table
...
Mazda 6 Service Manual: Front upper arm inspection
1. Remove the upper arm from the vehicle.
2. Inspect for damage, cracks, and bending.
3. Inspect the ball joint rotation torque.
(1) Rotate the ball joint five times.
(2) Measure the rotation torque using a suitable allen socket and a
torque wrench.
If not within the specification ...