Kal-equip KAL 3840 User Manual

KAL 3840Automotive Scope / GMMUser’s Manual

• Press the SAVE key to save the present screen in the next memory location.• Press the RECALL key to recall the screen last saved in memory.• Press t

4.4 MEASUREMENT CONNECTIONSINPUT A (Red)INPUT A is used for all single channel measurements, sometimes combined with use of the other inputs, Varioust

3. Measurement faults or short circuit with the DUAL INPUT SCOPE mode. This occurs when you perform floatingmeasurements with grounding at different p

4-11CHANGE VEHICLEMakes you be able to obtain the pin numbers and wire colors for both PCM and the other component connector fromHELP ( ) o

CONTINUTYOHMOPENCLOSEIGNITION DI SECONDARYVEHICLE WFM CYLINDERBACK

4.7 SCOPE MODESCOPE mode provides a display of signal patterns fromeither CH A or CH B over times ranging from 1 µs to 50seconds per division, and for

5.1 INSTRUMENT TEST MODESFrom the MAIN MENU, you can choose 3 independent instrument test modes:• COMPONENT TESTS• SCOPE• GRAPHING MULTIMETERThe faste

SCOPE displays are defaulted in “Glitch Detection” mode. This means that all signals are sampled at the full samplerate of the instrument and the

AUTO versus NORMAL acquisitionsIf you select AUTO, the instrument always performs acquisitions, i.e., it always displays the signals on the input. IfN

For VOLTS CURSORS,Reading Test Results on the SCOPE (Component Tests only) DisplayMeasurement results can be displayed as numeric values (referred to

Menu Overview MAIN MENU CHANGE VEHICLECOMPONENT TESTSSCOPEGRAPHING MULTIMETERVEHICLE DATAINSTRUMENT SETUP VEHICLE DATA ME

Using Graphing Multimeter (GMM)Making ConnectionsINPUT A is used for all GMM tests just except the RPM measurement. The probes and test leads to be us

Testing Frequency, Duty Cycle, or Pulse WidthTesting Secondary Ignition Peak Volts, Burn Volts, and Burn Time5-11Press to test the signalfrequency in

Testing CurrentUse this menu option to test current with a current probe. (optional accessory)Don’t forget to set the Current Probe to zero before usi

DISPLAY OPTIONS MENUUSER LAST SETUP: You can change the Power-On display from VEHICLE DATA MENU (default) to the lastdisplay having been displayed j

5-175.6 FREEZING, SAVING, AND RECALLING SCREENSHold ModeThe HOLD key enables you to freeze the current display. This makes it possible to examine occa

5-19What’s more, by enabling the Auto Save option, each new event to be detected is automatically saved to Memory 1to Memory 4. By setting the Auto Sa

5-206.1 COMPONENT TESTSPreset OperationThe instrument provides predefined setups for a variety of vehicle sensors and circuits. To choose a preset tes

• Troubleshooting TipsIf the amplitude is low, look for an excessive air gap between the trigger wheel and the pickup.If the amplitude wavers, look fo

• Symptoms [OBD II DTC’s : P0420 ~ P0424, P0430 ~ P0434]Emissions test failure, poor fuel economy.• Test Procedure1. Connect one shielded test lead to

4. Press the HOLD key to freeze the waveform on the display for closer inspection.5. To measure resistance, disconnect the sensor before changing to t

Vehicle manufacturers have helped you locate a driveability problem by designing Electronic Control Units withtrouble-code generating capabilities.

• Symptoms [OBD II DTC’s: P0110 ~ P0114]Poor fuel economy, hard start, high emissions, tip-in hesitation• Test Procedure1. Backprobe the terminals on

Throttle Position Sensor (TPS)•Theory of OperationA TPS is a variable resistor that tells the PCM the position of the throttle, that is, how far the t

• Reference Waveform VEHICLE INFORMATION YEAR : 1987MAKE : ChryslerMODEL : Fifth AvenueENGINE:5.2 LFUELSYS:Feedback Carbu

Optical CranKshaft Position (CKP) Sensor•Theory of OperationThese CKP sensors are classified as “CKP Sensors - High Resolution” in industry.The optica

• Reference Waveform VEHICLE INFORMATION YEAR : 1989MAKE : AcuraMODEL:LegendENGINE : 2.7 LFUELSYS : Multiport Fuel Inject

Optical Camshaft Position (CMP) Sensor• Theory of OperationThese CMP sensors are classified as “CMP Sensors - High Resolution” in industry.The optical

•Reference Waveform VEHICLE INFORMATION YEAR : 1988MAKE : Nissan/DatsunMODEL : 300 zx non-turboENGINE : 3.0 LFUELSYS : Mu

Analog Manifold Absolute Pressure (MAP) Sensor• Theory of OperationAlmost all domestic and import MAP sensors are analog types in design except Ford’s

3. Make sure that the amplitude, frequency and shape are all present, repeatable, and consistent. Amplitude shouldbe close to 5 V.Frequency should var

• Troubleshooting TipsIf overall voltage is low, be sure to check for cracked, broken, loose, or otherwise leaking intake air ducts.IMPORTANT:0.25 V c

WARNINGREAD “SAFETY INFORMATION” BEFORE USING THIS MANUAL.This instrument is designed to be used only qualified personnel who are (properly trained)

4. Make sure that the sensor generates the correct frequency for a given RPM or airflow rate.5. Use the Glitch Snare mode to detect dropouts or unstab

Differential Pressure Feedback EGR (DPFE) Sensor• Theory of OperationAn EGR (Exhaust Gas Recirculation) pressure sensor is a pressure transducer tha

Saturated Switch Type (MFI/PFI/SFI) Injector•Theory of OperationThe fuel injector itself determines the height of the release spike. The injector driv

• Test Procedure1. Connect the CH A lead to the injector control signal from the PCM and its ground lead to the injector GND.2. Start the engine and

• Reference Waveform VEHICLE INFORMATIONS YEAR:1990MAKE : JeepMODEL : CherokeeENGINE : 4.0 LFUELSYS : Multiport Fuel Inje

• Reference Waveform VEHICLE INFORMATIONS YEAR:1986MAKE : Nissan/DatsunMODEL:Stanza WagonENGINE : 2.0 LFUELSYS : Multipor

How much and when EGR flow occurs is very important to emissions and driveability. To precise control EGR flow,the PCM sends Pulse Width Modulated sig

IMPORTANT :Before diagnosing IAC motor, several things must be checked and verified; the throttle plate shouldbe free of carbon buildup and should ope

• SymptomsSlow and improper shifting, engine stops running when vehicle comes to a stop• Test Procedure1. Connect the CH A lead to the transmission sh

Diesel Glow Plug• Theory of OperationStarting cold diesel engines are not easy because Blowby past the piston rings and thermal losses reduce the

• Disconnect the live test lead before disconnecting the common test lead.• Do not perform internal service or adjustment of this instrument unless yo

3. Exercise the sensor, device, or circuit while watching for the amplitude of the signal. The amplitude should stay ina predetermined voltage range f

• Test Procedure1. Connect the CH A lead to the GND pin of the grounded device or the one side of the suspect junction and itsground lead to the chass

Alternator Field/ VR (Voltage Reference)• Theory of OperationA voltage regulator (in the PCM) controls alternator output by adjusting the amount of cu

• Reference Waveform VEHICLE INFORMATIONS YEAR:1986MAKE : OldsmobileMODEL : ToronadoENGINE : 3.8 LFUELSYS : Multiport Fue

3. Exercise the switch while paying attention to the amplitude of the signal. It should stay in a predetermined voltagerange for a given condition. In

• Reference Waveform VEHICLE INFORMATIONS YEAR:1993MAKE : FordMODEL : F150 4WD PickupENGINE : 5.0 LFUELSYS : Multiport Fu

Look for the burn line to be fairly clean without a lot of hash (“noise”). A lot of hash can indicate an ignition misfire inthe cylinder due to over-a

1. Connect the capacitive type ignition secondary probe to the CH A input terminal.2. Connect the Inductive Pickup to the COM/TRIGGER input terminals

• Reference Waveform VEHICLE INFORMATIONS YEAR:1994MAKE : FordMODEL : ExplorerENGINE : 4.0 LFUELSYS :Multiport Fuel Injec

1. Connect the capacitive type ignition secondary probe to the CH A input terminal.2. Connect the COM input of the test tool to vehicle ground by usi

3.1 PRIMARY SIGNAL TYPES FOUND IN MODERN VEHICLESOnce you become familiar with basic vehicle waveforms it will not matter how new or old the vehicle i

Some tips to keep in mind : • Always position the piezo pickup on the fuel line at about the same distance from the injector.• Place the pickup on a s

Diesel AdvanceDiesel pump testers are used to calibrate pumps exactly to the engine’s requirements. The testers monitor thesignals from the refer

General SpecificationsOperation temperature : 32 ˚F to 104 ˚F (0 ˚C to 40 ˚C)Storage temperature : -4 ˚F to 140 ˚F (-20 ˚C to 60 ˚C)Relative Humidity:

TriggerTrigger Source : CH A, CH B, TRIGGER (External trigger)Sensitivity (CH A) : < 1.0 div to 5 MHzSensitivity (Trigger) : 0.2 V p-pModes : Singl

Continuity TestDiode TestTemperature MeasurementDC Ampere Measurement (Current Probe Output)AC Ampere Measurement (Current Probe Output)8-5(AC+DC) Vol

ABS Antilock Brake SystemAC Alternating CurrentAC Coupling A mode of signal transmission that passes the dynamic (AC) signal component to theinput (IN

Function Key Labels Labels shown on the bottom display that indicate the function of the function keysto .Function Key Menu The function key labe

Scan Tool A device that interfaces with and communicates information on a data link.Sample A reading taken from an electrical signal. A waveform is c

Menu OverviewVoltage Drop Voltage lose across a wire, connector, or any other conductor.Voltage drop equals resistance in ohms times current in ampere

To minimize this possible interference with the oscilloscope, keep these tips and suggestions in mind:Most interference will be picked up by the oscil

4.1 PRODUCT DESCRIPTIONThis instrument is a battery-operated 2-channel lab scope, advanced true rms graphing multimeter (GMM) designedexpressly for us

• GRAPHING MULTIMETER• VEHICLE DATA• INSTRUMENT SETUPThe fastest way to set up the instrument to test most automotive devices(sensors, actuators...) a