Actron CP7678 Betriebsanleitung PDF herunterladen (Seite 21)

10.Turn multimeter rotary switch to 200KΩ

range (see Fig. 24).

11.Move RED test lead to secondary igni-

tion coil terminal.

• Refer to vehicle service manual for loca-

tion of secondary ignition coil terminal.

• Verify BLACK test lead is connected to

primary ignition coil negative (-) termi-

nal.

12.View reading on display.

13.If vehicle is DIS, repeat Steps 11 and 12

for remaining ignition coils.

14.Test Results - Secondary Coil

• Typical resistance range of secondary

ignition coils is 6.0 - 30.0KΩ.

• Refer to vehicle service manual for your

vehicles resistance range.

15.Repeat test procedure for a HOT igni-

tion coil.

NOTE: It is a good idea to test ignition

coils when they are both hot and cold,

because the resistance of the coil could

change with temperature. This will also

help in diagnosing intermittent ignition sys-

tem problems.

16.Test Results - Overall

Good Ignition Coil:

Resistance readings

in Steps 9, 14 and 15 were within manufac-

turers specification.

Bad Ignition Coil:

Resistance readings in

Steps 9, 14 and 15 are not within manufac-

turers specification.

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Actron CP7678 Betriebsanleitung Seite 21