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]

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Other materials:

Mazda 6 Service Manual: Input/turbine speed sensor removal/installation
1. Disconnect the negative battery cable. 2. Remove the battery and battery tray. 3. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 4. Disconnect the input/turbine speed sensor connector. 5. Remove the input/turbine speed sensor. 6. Apply ATF to a new O-ring ...

Mazda 6 Service Manual: Variable tumble control system (vtcs) shutter valve actuator inspection
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Disconnect the vacuum hose from the VTCS shutter valve actuator. 3. Connect a vacuum pump to the VTCS shutter valve actuator. 4. Apply vacuum and verify that the rod moves. If the rod dose not move, replace the intake ...