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: Hold switch inspection
Operating Inspection 1. Turn the ignition switch to ON (engine OFF). 2. Verify that the HOLD indicator light is not illuminated. Depress the HOLD switch and verify that the HOLD indicator light illuminates. If not as specified, inspect the terminal voltage of the HOLD switch. Voltage Insp ...

Mazda 6 Service Manual: Vehicle speedometer sensor (vss) inspection
Visual Inspection 1. Remove the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.) 2. Make sure that the sensor is free of any metallic shavings or particles. If any are found on the sensor, clean them off. 3. Install the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL ...