Mazda 6 Service Manual: Dtc p0171

Dtc p0140

Dtc p0172

Other materials:

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 ...

Mazda 6 Service Manual: Adaptive Front Lighting System (AFS) (Some models)
The adaptive front lighting system (AFS) automatically adjusts the headlight beams to the left or right in conjunction with the operation of the steering wheel after the headlights have been turned on and the vehicle speed is about 2 km/h (2 mph) or higher. A system malfunction or operation c ...