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: Headlight cleaner switch removal/installation
1. Disconnect the negative battery cable. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. Headlight Cleaner Switch Removal Note 1. Insert your hand from the lower side of the dashboard and squeeze the tabs of the headlight cleaner switch. 2. Pull ...

Mazda 6 Service Manual: Variable intake-air system (vis) shutter valve actuator inspection (l3)
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Disconnect the vacuum hose from the VIS shutter valve actuator. 3. Connect a vacuum pump to the VIS shutter valve actuator. 4. Apply vacuum and verify that the rod moves. If the rod dose not move, replace the intake ma ...