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: Engine Coolant Temperature Gauge (Without Multi-information Display)
Displays the engine coolant temperature. The white gauge indicates that the engine coolant temperature is low, and the red gauge indicates that the engine coolant temperature is high and overheating. CAUTION If the engine coolant temperature gauge indicator flashes, there is a possibility ...

Mazda 6 Service Manual: Oil control valve (ocv) removal/installation
L3 1. Disconnect the negative battery cable. 2. Remove the plug hole plate. 3. Remove the high-tension lead. (See HIGH-TENSION LEAD REMOVAL/INSTALLATION.) 4. Remove the oil control valve (OCV) connector. 5. Remove the ventilation hose. 6. Remove the cylinder head cover. (See Cylinder Head Co ...