Mazda 6 Service Manual: No.22 no engine braking in hold mode

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

No.23 transaxle overheats

Other materials:

Mazda 6 Service Manual: Front/rear abs wheel-speed sensor inspection
Visual Inspection Remove the wheel and tire, and inspect the sensor for looseness and damage. Replace the sensor if necessary. Clearance Inspection Inspect the clearance between the wheel-speed sensor and the sensor rotor. Clearance 0.3-1.1 mm {0.012-0.043 in} Resistance Inspection ...

Mazda 6 Service Manual: Clutch switch inspection
Note Perform the following inspection only when directed. Continuity Inspection 1. Verify that the clutch switch is installed properly. 2. Disconnect the negative battery cable. 3. Remove the clutch switch. 4. Inspect for continuity between the clutch switch terminals using an ohmmeter. ...