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: Road test
Warning When performing a road test, be aware of other vehicles, people, impediments, etc. to avoid an accident. Note When the legal speed limit must be exceeded, use a chassis dynamomenter instead of performing a road test. Road Test Preparation 1. Inspect the engine coolant le ...

Mazda 6 Service Manual: Immobilizer system reprogram procedure
Note When an error occurs during the reprogram procedures, except when the PCM is replaced, repeat the procedure from Step 1. If you still cannot reprogram, confirm how many keys can start the engine. Then, perform the key replacement or addition reprogram procedure according to the val ...