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IMPORTANT:

 PLEASE READ THESE INSTRUCTIONS CAREFULLY TO ENSURE THE 

SAFE AND EFFECTIVE USE OF THIS PRODUCT.

INSTRUCTIONS

These instructions accompanying the product are the original instructions. This document is part of the product, keep 
it for the life of the product passing it on to any subsequent holder of the product. Read all these instructions before 
assembling, operating or maintaining this product.
This manual has been compiled by Draper Tools describing the purpose for which the product has been designed, 
and contains all the necessary information to ensure its correct and safe use. By following all the general safety 
instructions contained in this manual, it will ensure both product and operator safety, together with longer life of the 
product itself.
AlI photographs and drawings in this manual are supplied by Draper Tools to help illustrate the operation of the 
product.
Whilst every effort has been made to ensure the accuracy of information contained in this manual, the Draper Tools 
policy of continuous improvement determines the right to make modifications without prior warning.

6-30V/D.C.

DIAGNOSTIC

PROBE

16422

Summary of Contents for 16422

Page 1: ...e purpose for which the product has been designed and contains all the necessary information to ensure its correct and safe use By following all the general safety instructions contained in this manual it will ensure both product and operator safety together with longer life of the product itself AlI photographs and drawings in this manual are supplied by Draper Tools to help illustrate the operat...

Page 2: ... UNDERSTANDING THIS MANUALS SAFETY CONTENT WARNING Information that draws attention to the risk of injury or death CAUTION Information that draws attention to the risk of damage to the product or surroundings 1 4 COPYRIGHT NOTICE Copyright Draper Tools Limited Permission is granted to reproduce this publication for personal educational use only Commercial copying redistribution hiring or lending i...

Page 3: ...1 GENERAL DESCRIPTION 9 8 2 POWER 9 8 3 QUICK SELF TEST 9 8 4 AUTO CIRCUIT BREAKER 10 8 5 WORK MODE 10 8 6 DC VOLTAGE 10 8 7 FREQUENCY 11 8 8 RESISTANCE 12 8 9 DIODE 13 9 TEST APPLICATIONS 9 1 VOLTAGE POLARITY TESTING 14 9 2 CONTINUITY TESTING 14 9 3 SIGNAL CIRCUIT TESTING 15 9 4 ACTIVATING COMPONENTS IN YOUR HAND 16 9 5 TESTING TRAILER LIGHTS AND CONNECTIONS 16 9 6 ACTIVATING COMPONENTS IN THE VE...

Page 4: ...rchase except where tools are hired out when the guarantee period is 90 days from the date of purchase This guarantee does not apply to normal wear and tear nor does it cover any damage caused by misuse careless or unsafe handling alterations accidents or repairs attempted or made by any personnel other than the authorised Draper warranty repair agent Note If the tool is found not to be within the...

Page 5: ...60 x 128 dpi Operating Temperature 0 to 60ºC 32 to 140 F Storage Temperature 40 to 70ºC 40 to 185 F External Power 12 0 or 24 0V power provided via vehicle battery Dimensions L W H 178 47 28mm Weight nett 0 1kg 4 3 HANDLING STORAGE Although this machine is small in size care must still be taken when handling Dropping this machine will have an effect on the accuracy This machine is not a toy and mu...

Page 6: ...wires and spark plugs These components create hazardous voltages when the engine is running Put the transmission in PARK for automatic transmission or NEUTRAL for manual transmission and make sure the parking brake is engaged Keep a fire extinguisher suitable for gasoline chemical electrical fires nearby Don t connect or disconnect any test equipment while the ignition is on or the engine is runni...

Page 7: ...7 6 TECHNICAL DESCRIPTION 6 1 IDENTIFICATION Probe Tip connection Work Lights Red Polarity Indicator Green Polarity Indicator LCD Display Power switch Mode button Auxiliary ground lead Power connection ...

Page 8: ...he telephone number appears on the Title page and do not attempt to use the tool The packaging material should be retained at least during the guarantee period in case the machine needs to be returned for repair Warning Some of the packaging materials used may be harmful to children Do not leave any of these materials in the reach of children If any of the packaging is to be thrown away make sure ...

Page 9: ...When the tool is first connected to a battery power source it will sound a beep and the Work Lights will be on to illuminate the test area of the probe tip 8 OPERATING INSTRUCTIONS 8 3 QUICK SELF TEST FIG 1 Before you test a circuit or component be sure your tool is in good order by doing a quick self test With the tool connected perform a quick self test The power switch is a momentary rocker swi...

Page 10: ... reading When the circuit breaker is tripped the tool will NOT be able to conduct battery current to the tip even when the power switch is pressed Intentionally tripping the breaker and using the tool to probe can be considered an added precaution against accidental pressing of the power switch 8 5 WORK MODE There are four modes to diagnose the electrical systems which can be accessed by depressin...

Page 11: ...TRUCTIONS 8 7 FREQUENCY FIGS 5 7 While the tool in this mode contact the probe tip to a circuit then the LCD display will read the Max Voltage the Min voltage and frequency FIG 5 View of screen View of screen FIG 6 FIG 7 ...

Page 12: ...NG INSTRUCTIONS 8 8 RESISTANCE FIGS 8 9 While the tool in this mode contact the probe tip to a circuit then the LCD display will read the resistance between the tip and auxiliary ground lead FIG 8 Application FIG 9 ...

Page 13: ...he other result One of the results will have relatively larger resistance value or infinite value Reverse Conduction the other one will have smaller resistance value Forward conduction In the measurement result with smaller resistance value it is the anode that the probe is contacted to the black alligator clip is contacted to the cathode of diode If the resistance value in both measurements is sh...

Page 14: ...splays the voltage with a resolution of 0 1V A beep tone will sound If contact the probe tip to an OPEN circuit neither of the LED will light FIG 12 FIG 4 9 2 CONTINUITY TESTING FIGS 14 15 While the tool is in Resistance mode using the probe tip with chassis is ground or the auxiliary ground lead continuity can be tested on wires and components attached or disconnected from the vehicle s electrica...

Page 15: ...you extract a DTC from the vehicle and realize that trouble shooting begins with some kind of sensor circuit there is a quick test you can perform to verify the code Testing your sensor is easy while using the tool For example you suspect there is a problem with your M A P Sensor circuit then follows the procedure involved with testing this sensor Set the tool in AC Voltage mode using the probe ti...

Page 16: ...the component and out of the component through the auxiliary ground lead and back into the tool and back to the vehicle s battery s ground 9 5 TESTING TRAILER LIGHTS AND CONNECTIONS FIG 18 While the tool in DC Voltage mode clip the auxiliary ground lead to the trailer ground probe the contacts at the jack and then apply voltage to the probe tip This lets you check the function and orientation of t...

Page 17: ...TING COMPONENTS W GROUND FIG 20 While the tool in DC Voltage mode contact the probe tip to the negative terminal of the component the red LED should light While observing the red LED quickly depress and release the power switch rearward If the red LED went out and the green LED came on you may proceed with further activation If the green LED went off at that instant or if the circuit breaker tripp...

Page 18: ...ough the insulation with the probe tip and depress the power switch forward to activate and energize the wire If the circuit breaker tripped you have verified the shorted wire Cut the wire and energize each end with the probe tip The wire end which trips the circuit breaker again is the shorted circuit and it will lead you to the shorted area Follow the wire in the shorted direction and repeat thi...

Page 19: ... 10 1 EXPLANATION OF SYMBOLS For indoor use Do not expose to rain WEEE Do not dispose of Waste Electrical Electronic Equipment in with domestic rubbish Warning Read instruction manuals before operating and servicing this equipment ...

Page 20: ...posed of according to national regulations Contact your local authority for details of collection schemes in your area In all circumstances Do not dispose of power tools with domestic waste Do not incinerate Do not abandon in the environment Do not dispose of WEEE as unsorted municipal waste Waste Electrical Electronic Equipment ...

Page 21: ...21 NOTES ...

Page 22: ...22 NOTES ...

Page 23: ...23 NOTES ...

Page 24: ... U K Helpline 023 8049 4344 Sales Desk 023 8049 4333 General Enquiries 023 8026 6355 Service Warranty Repair Agent For aftersales servicing or warranty repairs please contact the Draper Tools Helpline for details of an agent in your local area YOUR DRAPER STOCKIST DBMC0117 drapertools com ...

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