Mazda 6 Service Manual: On-board diagnostic [headlight auto leveling system]

Dtc u0073, u1900, u2516

Diagnostic procedure ...

Foreword

Outline The OBD (on-board diagnostic) test inspects the integrity and function of the headlight auto leveling system and output the results when reqested by the specitic tests. OBD test al ...

Other materials:

Mazda 6 Service Manual: Dsc system inspection
Preparation 1. Verify that the battery is fully charged. 2. With ignition switch on, verify that the ABS warning light goes out after 2.4 seconds. 3. Turn the ignition switch off. 4. On level ground, jack up the vehicle and support it evenly on safety stands. 5. Shift the transaxle to N posi ...

Mazda 6 Service Manual: 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 part of the CAN system. ABS/TCS HU/CM or DSC HU/CM 1. Accec and monitor the PCM MSG and IC MSGo ...