Mazda 6 Quiz
Engine electrical system

Ignition coil inspection

In this manual: Engine electrical system
General information — 42Engine — 23Lubrication system — 10Cooling system — 9Fuel and emission control systems — 161Engine electrical system — 17Clutch — 21Manual transaxle — 10Automatic transaxle — 110Front and rear axles — 20Steering system — 15Braking system — 104Suspension — 34Body — 201Body electrical system — 287Heater and air conditioner systems — 89Technical data — 1Special tools — 1
~1min read
Primary Coil Winding

1. Remove the ignition coil.

2. Measure the resistance between the following lead holes using an ohmmeter.

  • A and B, B and C

- 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.

  • 1 and 4
  • 2 and 3

- 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.

  • Terminal B and ignition coil case.

- If not specified, replace the ignition coil.

Specification
Above 10 Megohm

Test yourself

A quick Mazda 6 quiz: every answer comes with an explanation and a link to the manual page.