AH15.10-P-1003-01W General Notes on Testing Contactless High Voltage Distribution

AH15.10-P-1003-01W General notes on testing contactless high voltage distribution
If a complaint exists in the start or warming-up phase, do not condition engine to operating temperature but proceed on a complaint-related basis.

Connections: set diagnostic tester to cylinder number 1 primary or secondary (if possible) and test through the ignition circuits one after the other.





Diagnosis test oscilloscope / good image
contactless high voltage distribution
Secondary side (single image)
Engine idling
(shown on engine M119.981, cylinder 1 with Bosch ignition coil)

Measuring range: 40 kV

Time range: 5 ms





Diagnosis test oscilloscope / good image
contactless high voltage distribution
Primary side (single image)
Engine idling
(shown on engine M119.981, cylinder 1)

Measuring range: 40 V

Time range: 5 ms