Mazda 6 Service Manual: No.2 mil illuminates

No.1 melting of main or other fuses

No.3 will not crank

Other materials:

Mazda 6 Service Manual: Master cylinder disassembly/assembly
Caution If the master cylinder body is damaged, replace the unit as a component. When securing the master cylinder in a vise, tighten only the flange of the master cylinder. 1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order of disassembly. Stop ...

Mazda 6 Service Manual: Door lock timer unit inspection
1. Measure the voltage at the door lock timer unit terminals (other than terminal 1E and 2W) as indicated below. If not as specified, inspect the parts listed under Action. 2. Disconnect the negative battery cable. 3. Disconnect the door lock timer unit connector and inspect for continuity ...