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: Audio control switch inspection
1. Disconnect the negative battery cable. 2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION.) 3. Disconnect the audio control switch connector. 4. Measure the resistance and inspect for continuity between the cruise control switch terminals using a ...

Mazda 6 Service Manual: Oil control valve (ocv) inspection
L3 Coil Resistance Inspection 1. Disconnect the negative battery cable. 2. Disconnect the oil control valve connector. 3. Measure the resistance between terminals A and B using an ohmmeter. If not as specified, replace the oil control valve. Specification 6.9-7.9 ohms 4. Connect ...