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: Panel light control switch inspection
1. Connect the connector to the panel light control switch. 2. Connect the negative battery cable. 3. Measure the voltage at the panel light control switch using voltmeter. When inspecting terminal B for continuity, disconnect the panel light control switch connector. 4. If the value are ...

Mazda 6 Service Manual: Exterior lighting system
...