Mazda 6 Service Manual: Dtc u0073, u1900, u2516

Procedures for determining the location of a malfunction

System Wiring Diadram PCM 1. Check the display of DTC U0121 and/or U0155, using the SST (WDS or equivalent). (See DTC TABLE.) 2. Referring to the following table, determine the malfunctioning p ...

On-board diagnostic [headlight auto leveling system]

...

Other materials:

Mazda 6 Service Manual: Spark plug removal/installation
1. Disconnect the negative battery cable. 2. Remove the plug hoie plate. Lift off and remove the plug hole plate from the installation areas (rubber and clips) as shown in the figure. 3. Disconnect the high-tension lead. 4. Remove the spark plugs using the plug-wrench. 5. Install th ...

Mazda 6 Service Manual: Recommendations for Shifting
Upshifting For normal acceleration and cruising, Mazda recommends these shift points: *1 Always observe local speed limit regulations. Downshifting When you must slow down in heavy traffic or on a steep upgrade, downshift before the engine starts to overwork. This gives better acceleration w ...