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: Key reminder switch inspection
1. Disconnect the negative battery cable. 2. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION) 3. Disconnect the key reminder switch connector. 4. Inspect for continuity between the key reminder switch terminals using an ohmmeter. If not as specified, replace the key reminder ...

Mazda 6 Service Manual: Purge solenoid valve inspection
Airflow Inspection Note Perform the following test only when directed. 1. Disconnect the negative battery cable. 2. Remove the purge solenoid valve. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION.) 3. Inspect airflow between the ports under the following conditions. If not as specifi ...