Mazda 6 Service Manual: Dtc b1342

Dtc b1231

Dtc b1869, b1870

Other materials:

Mazda 6 Service Manual: No. 2 all on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wir ...

Mazda 6 Service Manual: Coil removal/installation
Note Do not remove the coil unless you are replacing it. When only the coil is replaced, the immobilizer system reprogram procedure is not necessary. 1. Disconnect the negative battery cable. 2. Remove the column cover. 3. Remove in the order indicated in the table. 4. Install in ...