Actron Digital Multimeter CP7676 User Manual

Page 21

Advertising
background image

21

11. Move RED test lead to secondary

ignition coil terminal.

• Refer to vehicle service manual for

location of secondary ignition coil

terminal.

• Verify BLACK test lead is connected to

primary ignition coil negative (-) terminal.

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 - 30.0K

.

• Refer to vehicle service manual for your

vehicles resistance range.

15.Repeat test procedure for a HOT

ignition 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

system problems.

16.Test Results - Overall

Good Ignition Coil: Resistance readings in

Steps 9, 14 and 15 were within

manufacturers specification.

Bad Ignition Coil: Resistance readings in

Steps 9, 14 and 15 are not within

manufacturers specification.

Advertising
This manual is related to the following products: