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Presented by Bob Pattengale
BOSCH MTS 5200 LAB SCOPE
1-800-71-TRAIN (1-800-718-7246) OR www.auto-video.com
LIVE VEHICLE TESTING (SECONDARY IGNITION COP WAND)
In this portion of the presentation we are going to take a look at some of the basic signals and
circuits underneath the hood of a live vehicle. We will use the MTS 5200 and demonstrate how
you connect it to the most common signals that you will be testing.
Our demonstration vehicle is a 2004 Ford Crown Victoria. One of the most common problems
with this vehicle is coil on plug (COP) system and one of the first things that you will be using
your lab scope for are ignition problems.
To test the secondary ignition system of this vehicle we need to use the Coil On Plug (COP) wand.
The COP wand contains a probe which is designed to be used with most domestic and import
COP vehicle ignition systems with accessible coils. The probe provides easy access for secondary
ignition pattern comparisons on COP ignition systems using the MTS 5200.
Connect the COP wand as follows:
1: Turn on the MTS 5200 and select Secondary Quick Check from the testers main menu.
2: Connect the circular black connector from the wand to the SEC IGN input of the analyzer.
3: With the vehicle running, place the tip of the flex probe as close to the suspect ignition coil as
you can to obtain a good signal.
4: When a signal appears on the lab scope screen, adjust the Volts/Div setting for optimum
signal viewing.
5: Repeat steps 1 - 3 to view each cylinder for comparison.
During this procedure, always remember to hold the probe the same distance and position to the
coil for each cylinder being analyzed.
