Checking the Ignition Coil For Cylinder 4

Checking the Ignition Coil For Cylinder 4







Unplug the connector
- Ignition discharge module (346)







- Turn the ignition to the ON position.












- Connect test lamp 86 11 857 to pins 10 and 5 of the female connector.
Activate: Ignition Coil Cyl 4







- The test lamp should light.

Checking the wiring harness.
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness. Observe the multimeter, test lamp or diagnostic tool while doing this.

Is the function correct?

NO - Rectifying the Lead - I

YES - Checking the Ignition Discharge Module - IV