Mazda 6 Service Manual: Dtc b1869, b1870

Dtc b1342

Dtc b1871

Other materials:

Mazda 6 Service Manual: Installation of radio system
If a radio system is installed improperly or if a high-powered type is used, the CIS and other systems may be affected. When the vehicle is to be equipped with a radio, observe the following precautions: Install the antenna at the farthest point from control modules. Install the antenna fe ...

Mazda 6 Service Manual: Theft-deterrent control module inspection
1. Remove the theft-deterrent control module without disconnecting the connectors. 2. Measure the voltage at the theft-deterrent control module terminals as indicated below. 3. Disconnect the theft-deterrent control module connector before inspecting for continuity at terminals L, Q, S, T, a ...