General TA500 Manuel utilisateur

User’s Manual

MULTISYSTEM ENGINE

ANALYZER

General Technologies Corp.

TA500

Table of contents.

1. Safety Rules Page 1

2. Technical Speci•cations Page 2

2.1 General speci!cations Page 2

2.2 Electrical speci!cations Page 2

3. Operation Page 3

3.1 Instrument description Page 3

3.2 LCD Display Page 3

3.3 Buttons description and operation Page 5

3.4 Measurement procedures Page 7

3.5 Additional functions Page 10

4. Application information Page 12

4.1 Taking measurements Page 12

4.2 Diagnostic using spark KV and burn time Page 12

4.3 Common causes of long burn time or low spark KV Page 12

4.4 Common causes of short burn time or high spark KV Page 13

5. Maintenance Page 14

5.1 Battery replacement Page 14

5.2 Cleaning Page 14

6. Warranty Page 14

1. SAFETY RULES

•This instrument is designed for indoor use at temperatures between 32° and 104° F (0°C

and 40°C) and altitudes up to 6500 ft (2,000 meters).

•To ensure that the instrument is used safely, follow all safety and operating instructions

in this operation manual. If the instrument is not used as described in this operation

manual, the safety features of this instrument may be impaired.

•Do not use the instrument if the instrument, the capacitive pick-up or the "exible probe

looks damaged, or if you suspect that the instrument is not operating properly.

•When using the instrument, keep away from moving parts (fan, drive belts, etc) and hot

objects (exhaust pipes, muf"er , catalytic converter, etc), to avoid personal injuries and

damage to the instrument, the capacitive pick-up or the "exible probe.

•Do not connect or apply more than 42 VDC or any AC current directly to the capacitive

pick-up or the "exible probe.

•At all times, to avoid electrical shock, use CAUTION when working with electrical circuits

above 60V DC or 25V AC rms. Such voltages pose a shock hazard.

•Do not operate this instrument with the battery cover off.

•To avoid electrical shock or damage to the instrument, do not exceed the specified

input limits.

Exceeding the limits listed above when using this apparatus, or not observing the

precautions listed above can expose you to physical injury and permanently damage

your instrument and/or parts and components of the vehicle under test.

Page 3

3. OPERATION

3.1 Instrument Description

1) Capacitive pick-up

2) Flexible probe

3) Protective rubber holster

4) LCD Display

5) Power ON/OFF / Reset button

6) Secondary Function / Capture button

7) Ignition System button

8) Main Function / Calibrate button

9) Engine Cycles button

3.2 LCD Display

3.2.1 LCD Display description

Fig. 1 - Instrument description

Multisystem Ignition Analyzer

Ignition

System

Function

Made in Canada

Reset

Engine

Cycles

SmarTach+COP

Function

Secondary

Main

Calibrate

Capture

Calibrate

Burn Time

Cycles

KVolt

Spark

Fig. 2 - LCD Display

Burn Time

Cycles

Spark

KVolt

Ignition System

Secondary display A

Secondary display B

Function / measurement

units

Number of cycles

Low battery indicator

Spark detected

Secondary display

function

Main display

Page 5

3.3 Buttons description and operation

3.3.1 Power ON/OFF and Reset button

• When the instrument is OFF, to turn it ON press and hold the ‘Power ON/OFF

/ Reset’ button until the unit turns on (in approximately 1 second).

• When the instrument is ON, to turn it OFF press and hold the ‘Power ON/OFF

/ Reset’ button until the display turns OFF (in approximately 3 seconds).

• When the instrument is ON, press momentarily the ‘Power ON/OFF / Reset’

button to reset the Maximum and Minimum and capture values.

Note: To extend battery life, the TA500 will automatically turn OFF after 3 minutes

of being idle (i.e. no button pressed and no input signal). Turning the unit off

manually, when not in use will prolong battery life.

3.3.2 Ignition System button

• Press the ‘Ignition System’ button to select the ignition system measuring

mode that matches the ignition system used in the engine being diagnosed,

as explained below. The selected setting will be shown on the display.

• SPW (Spark Plug Wire): Use this setting for all ignition systems equipped

with high voltage spark plug wires (e.g.: Conventional distributor, magneto,

distributorless or waste spark ignition systems).

• COP (Coil On Plug): Use this setting for ignition systems in which the ignition

coil is mounted near or directly on top of the spark plug.

3.3.3 Engine Cycles button

Engine

Cycles

• Press the ‘Engine Cycles’ button to select the number of cycles for the engine

under measurement. Each time the button is pressed the number of cycles

will change between 2 cycles, 4 cycles, and DIS settings. The selected setting

will show on the display.

• For SPW (Spark Plug Wire) measurements mode, it can be set to : 2 or 4

cycles or DIS (Distributorless or waste spark ignition system).

• For COP (Coil on Plug) measurement mode, it can be set to: 2 or 4 cycles.

3.3.4 Main Function / Calibrate button

• Press this button to change which measurement is shown in the main (large)

display. There are three measurements to choose from: RPM, spark burn

time, and spark KVolt. Every time this button is pressed momentarily the

measurement changes from one function to the next.

• Press and hold this button for three seconds to start the automatic calibration of

the unit to the COP module type being measured. While calibrating, the display

will ﬂash “CAL” and will return to normal after the procedure is completed (in

about 3 seconds). Calibration is disable when in SPW mode.

Page 7

CAUTION

To avoid personal injuries and damage to the instrument carefully inspect the

spark plug wires, distributor cap, ignition coil , ignition module, and all other

ignition system parts for damage or leaks, and avoid using this instrument in

case any damage or leaks are found. Never touch the capacitive pick-up or

ﬂexible probe during a test. Wear insulating gloves when working around high

voltage, and hot parts, and keep away from moving parts (fan, drive belts, etc)

and hot objects (exhaust manifold and pipes, mufﬂer, catalytic converter, etc.)

3.4 Measurement Procedures

3.4.1 TA500 measuring functions

The TA500 has specially dedicated modes for use in the diagnostics and

troubleshooting of Coil on Plug and Coil near Plug ignition technology, and for systems

using spark plug wires. These special modes compensates for differences in signal strength

and waveform patterns between ignition systems.

The TA500 can measure the following:

• Engine RPM,

• Spark burn time, and

• Spark KVolt (relative measurement).

3.4.1.1 Engine RPM

Measures engine RPM in 2, 4 cycles and DIS engines, and it can be used in

combination withsparkburntimeand spark KVoltmeasurements, toevaluatetheignitionsystem

performance at different engine speeds.

3.4.1.2 Spark burn (!ring) time

The spark burn time, also called “ﬁring time”, is the measurement of the time period from

the moment that a spark is initiated up to the point when it is extinguished, and is the most

indicative measurement of performance of the ignition system. Abnormally long or short

burn times may indicate some problem in the ignition module, spark plug, fuel mixture,

cylinder compression, etc.

3.4.1.2 Spark KVolt

Spark KVolt values are relative measurements, useful to compare the performance of the

ignition system in each cylinder. Comparing spark KVolt between cylinders may be used

to diagnose common problems like misﬁres, broken spark plug wires, etc. However spark

KVolt values may vary widely, are less consistent and not always indicative of a properly

working ignition system.

3.4.2 Measuring Coil on Plug and Coil near Plug ignition systems

1-Turn the instrument on.

2- If not already in COP mode, select it by pressing the ‘Ignition System’ button.

3- Select the number of cycles for the engine under measurement by pressing the ‘Engine

Cycles’ button repeatedly until the display shows the correct setting.

Page 9

3.4.2 Spark plug wire ignition systems

1-Turn the instrument on.

2- If not already in SPW (Spark Plug Wire) mode, select it by pressing the ‘Ignition System’

button.

3- Select the number of cycles for the engine under measurement by pressing the ‘Engine

Cycles’ button repeatedly until the display shows the correct setting.

4- Select the measurement to show in the main display: RPM, spark burn time or

spark KVolt.

5- Select the mode for the secondary display: Minimum and Maximum of the main display

or the complementary measurements.

6- Place the capacitive pickup over one of the spark plug wires, and proceed to read the

measurement on the display.

Spark plug wire

Capacitive pick-up at 90° Capacitive pick-up parallel

Fig. 6 - Capacitive pick-up on spark plug wire

Important:

• In order to obtain consistent results when measuring Spark KVolt on spark plug wires,

the position of the capacitive pick-up relative to the spark plug wire should be the

same for every measurement.

• An easy way to obtain consistent measurements, is to position the capacitive

pick-up either at 90° or parallel to the spark plug wire (Fig 5), and then repeat the

same positioning for every spark plug wire

• Spark burn time and RPM measurements are not sensitive to the exact position of

the capacitive pick-up relative to the spark plug wire, but it has to be placed so the

instrument is capable of detecting the signal.

• When several spark plug wires are routed or bunched close together, the

capacitive pick-up may receive signals from several wires at the same time,

which could cause erroneous measurements. In these situations it may be

necessary to separate the wire under measurement from the others, in order to reduce

interference and obtain an accurate measurement.

3.5.2 Capture function (For COP and SPW modes)

The capture function is used to measure and hold maximum spark KVolt and spark burn time

readings. This function is most useful when performing a no-start test or when measuring

ignition modules in places in which it is dif•cult to position the capacitive pick-up over the

module and read the display at the same time.

To use the capture mode:

1-Follow the directions in ‘3.4 Measurement Procedures’, to setup the TA500.

2-Press and hold the ‘Secondary Function / Capture’ button (for approximately 3

seconds) until a •ashing “CAP” appears in the secondary display A.

3-To exit the capture mode, press the ‘Secondary Function / Capture’ button

momentarily again.

Page 11

Notes:

• The capture function holds the maximum spark KVolt and spark burn time displayed

(measured) values.

• The values held while in capture mode can be reset by pressing the ‘Power ON/OFF

/ Reset’ button momentarily.

• When in capture mode, only the ‘Power ON/OFF / Reset’ and ‘Secondary Function /

Capture’ buttons will remain operative, in order to prevent accidental changes in the

setup of the TA500.

• Upon exiting the capture mode, the held values are reset.

3.5.3 Auto power off

To help prolong battery life, the TA500 will automatically turn off after a period of

approximately 3 minutes of inactivity.

A period of inactivity means:

• No buttons are pressed

• No measurements are taken

Burn Time

Cycles

Peak

Fig. 8 - Typical display in capture mode

Flashing letters

Page 13

4.4 Common causes of short burn time readings

• Spark plug worn or gap too wide.

• Spark plug connector damaged, loose or disconnected.

• Excessive resistance in the ignition coil primary circuit.

• Lean mixture.

4.5 Common causes of low spark KVolt readings

• Shorted, dirty or too small spark plug gap.

• Dirty or damaged spark plug insulator boot allowing spark “tracking” across

insulator.

• Broken core in spark plug wire. Break is located between the distributor (or DIS coil)

and the test point.

• Short circuit, disconnection or partial disconnection between the distributor (or DIS

coil) and spark plug wire.

• Rich mixture. Most likely due to leaking fuel injector, or faulty oxygen sensor.

• Low cylinder compression pressure. Could be caused by leaking valves, worn piston

rings, blown cylinder head gasket, etc.

4.6 Common causes of high spark KVolt readings

• Spark plug worn or gap too wide.

• Spark plug connector damaged, loose or disconnected.

• Broken core in spark plug wire. Break is located between the spark plug and the

test point.

• Lean mixture.

Part # TA500EMN1804EN

Printed in Canada

#121 - 7350 72nd Street Tel: (604) 952-6699

Delta, BC Fax: (604) 952-6690

Canada V4G 1H9 email: [email protected]

“SmarTach” and “GTC” are trademarks of General Technologies Corp.

To visit our website, scan the QR code below with your smart phone.

Or type this URL in your browser:

www.gtc.ca

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