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Ignition, Primary, Simtec Cop Opel Vectra B

DOHC Petrol Engine 1 illustration

Objective:

Analysis of the primary voltage generated in the engine control unit.

Measurement:

Plot of the primary voltage with the engine idling (single display).

Preparation:

Caution - high voltage! Observe safety advice! Engine oil temperature greater than 80°C .

Connections:

INPUT ACOM/TRIGGERINPUT B
Connect the red measurement lead to terminal 1 or 2 of the ignition coil plug. Connect the black ground lead to ground.

Procedure Tech 31:

  1. 1. Download Reference curve.
  2. 2. Start the engine and allow it to idle.

Reference Curve:

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