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6.3.2 Measuring point
(Item 1):
Secondary side, ignition cable between distributor and spark
plug of any cylinder (one ignition circuit)
(Item 2):
Secondary side, ignition cable between ignition coil and distribu-
tor (terminal 4, all ignition circuits)
(Item 3 or 4):
Primary side, term. 1 or term. 15 current or voltage of „one"
ignition circuit
(Item 5):
Primary side, term. 1 or term. 15 current or voltage of „all"
ignition circuits
TN signal or TD signal (engine speed), e.g. at the diagnostic
socket
* In modern ignition systems, a trigger box is often connected in
series at this point. An adaptation is then made between the
trigger box and the ignition coil.
*
*
KL. = Term.
ZS = ignition switch
17
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