Primary Coil Winding
1. Remove the ignition coil.
2. Measure the resistance between the following lead holes using an ohmmeter.
- If not specified, replace the ignition coil.
Specification
0.49-0.57 ohms [20°C {68°F}]

Secondary Coil Winding
1. Remove the ignition coil.
- If not specified, replace the ignition coil.
Specification
9.5-11.1kilohms

Insulation Resistance of Case
1. Disconnect the high-tension lead.
2. Disconnect the ignition coil connector.
3. Measure the insulation resistance between the following terminals and ignition coil case using an ohmmeter.
- If not specified, replace the ignition coil.
Specification
Above 10 Megohm

Ignition coil removal/installation
Spark plug removal/installationMazda 6 Service Manual: Thermostat
THERMOSTAT REMOVAL/INSTALLATION
1. Remove the plug hole plate.
2. Disconnect the negative battery cable.
3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
5. Remove the washer tank.
6. Remove the P/S oil pump.
Note
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Mazda 6 Service Manual: Winter Driving
Carry emergency gear, including tire chains, window scraper, flares, a small
shovel, jumper cables, and a small bag of sand or salt.
Ask an Authorized Mazda Dealer to check the following:
Have the proper ratio of antifreeze in the radiator.
Inspect the battery and its cables. Cold reduces b ...