Mazda 6 Service Manual: No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

No.19 excessive shift shock on torque converter clutch (tcc)

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

Other materials:

Mazda 6 Service Manual: Headlight bulb removal/installation
Low-beam Halogen type 1. Disconnect the negative battery cable. 2. Disconnect the front combination light. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION) 3. Remove in the order indicated in the table. Caution A halogen bulb generates extremely high heat when it is used. If the ...

Mazda 6 Service Manual: Instrument cluster inspection
Speedometer Using the input/output check mode Inspect the speedometer by setting it in the input/output check mode DTC 12. Using a speedometer tester 1. Adjust the tire air pressure to the specification. 2. Using a speedometer tester, verify that the speedometer indication is within the allow ...