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Kaise SK-8402, Instruction Manual

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Kaise SK-8402 Instruction Manual Download Page 28

SK-8402 

取扱説明書（英文）

_P26

④

Start the engine.

⑤

If the zirconia O2 sensor to be measured has heater 
cables, make their voltage check. When measuring 
titania O2 sensor, make voltage check of its power 
supply cable.

※

The heater cable has the sufficient voltage even if 

"H"  display  is  unstable  when  checking  the  heater 

cable with PWM control.

※

Zirconia  O2  sensor  cannot  output  the  correct 
signal if heater is not working properly.

※

Titania  O2  sensor  cannot  output  the  signal  if 
the power supply voltage is not supplied.

26

NORMAL TEST

●

Do not touch the engine which has high temperature. 
Be careful about the cables not to touch the heated 
metal part.

●

Stay away from the rotating part of the engine which 
is  very  dangerous  to  be  caught  in. Also,  be  careful 
about the cables not to be caught in.

●

Start  the  engine  under  well  ventilated  environment 
to prevent carbon monoxide poisoning.

WARNING

Connect two yellow check harness connecting plugs  
to the red and black straight plugs respectively.

LCD  displays  "H"  if  the  heater  cable  has  the  proper 
voltage at 6V or more.

Checks of the heater cable voltage (when available)

V

Z

APO

Red test read straight plug

Yellow check harness

connecting plug

Black test lead straight plug

Yellow check harness

connecting plug

Only  for  the  heater  of  zirconia  O2  sensor, 
disconnection check for the heater cable is possible by 
simulation test. See "Disconnection check of the heater 
cable" in page 36 to 38 for details.

Summary of Contents for SK-8402

Page 1: ...SK 8402 Instruction Manual SK 8402 取扱説明書 英文 表1 O2 SENSOR CHECKER ...

Page 2: ...EFORE USE 1 Types of O2 Sensors 2 Battery Installation 3 Confirmation of O2 Sensor Cables 4 Colors of O2 Sensor Cables PREPARATION FOR USE 1 Inspection of Check Harness and Test Lead 2 Check Harness Connection BASIC CONNECTION DIAGRAM NORMALTEST 1 Measurement Flow Chart 2 Measurement Procedure with Check Harness 3 Measurement Procedure with Test Pin SIMULATIONTEST MAINTENANCE 1 Battery Replacement...

Page 3: ...that would be caused by incorrect usage due to neglect of this description WARNING CAUTION This symbol in this manual advises the user of an electrical shock hazard that could result in serious injury or even death This symbol in this manual advises the user of an electrical shock hazard that could cause injury or material damages The points where the following symbols are attached in this manual ...

Page 4: ...e car runs accidentally and could cause unexpected accident electric shock or damage to the instrument or the car Confirm that the parking brake is applied The car runs accidentally and could cause unexpected accident electric shock or damage to the instrument or the car Take the measurement or its preparation under well ventilated environment Carbon monoxide poisoning may occur due to the engine ...

Page 5: ...ping the instrument connected to the car Electric shock may occur Do not replace the battery with the wet hands Electric shock may occur Keep the instrument away from babies or children Important to prevent any accident injury or electric shock hazard Do not work in the dark place Unexpected accident electric shock fire or damage to the instrument or the car may occur Do not point the tip of Test ...

Page 6: ...rmal noise Using the faulty instrument may cause the unexpected accident fire or electric shock Do not use theTest Lead or Check Harness with which coating were damaged by heat Fire or electric shock may occur SAFETY PRECAUTIONS strict observance is required WARNING Do not use the faulty instrument that can recognize such as display trouble switch failure Stop using the instrument immediately and ...

Page 7: ...age to the instrument may occur Do not use any battery that have wrong rated specification Fire injury or damage to the surroundings may occur due to battery explosion or leakage Install the battery with the correct polarity as shown in the plus and minus indications Installing with wrong polarity may cause fire injury or damage to the surroundings due to battery explosion or leakage Do not heat o...

Page 8: ...d in Engine Control Unit ECU when taking off the connector of O2 sensor with the ignition key switch is activated and the engine is running Error code must be deleted by using the Code Reader or equivalent tool to prevent any engine troubles Do not apply any oil to Input Terminal Test Lead Check Harness Alligator Clip or metal part of Test Pin to prevent contact failure Do not polish the case with...

Page 9: ...e instrument trouble if taking the simulation test with mischoice the type of O2 sensor zirconia titania 1V or titania 5V Do not take the simulation test for heater cable or power supply cable during the electric car components are activated It may damage to the instrument Cautions for safekeeping Do not keep the instrument in the following place The place where has the water splash The place wher...

Page 10: ...f scanning tool Rich Lean Average voltages and Cycle are displayed respectively mV RICH TEST Z APO GOOD CHECK BAD mV RICH TEST Z APO GOOD CHECK BAD GOOD No problem mV RICH TEST Z APO Rich voltage mV TEST Z AVG APO Average voltage mV TEST Z LEAN APO Lean voltage C TEST Z APO Cycle CHECK replacement recommended BAD replacement required mV RICH TEST Z GOOD CHECK BAD APO POW ER 1Se c S 1Se c Tes t O2 ...

Page 11: ... Check Harness 911 1pce Alligator Clip 947 1pce Test Pins Red Black 795 1pce each Carrying case 1030 1pce Batteries manganese 1 5V R6P AA 2pcs Instruction Manual 1pce Use parts numbers that are listed along with the parts names when ordering them for replacement Use commercially available batteries for replacement POWER 1Sec S 1Sec Test O2 SENSOR CHECKER DH T5 T1 Z RICH LEAN DISPLAY TEST SK 8402 T...

Page 12: ...y mode Press this key less than 1 second to select the types of O2 sensor In stand by mode Press this key for 1 second or more to change testing mode normal test or simulation test In simulation test Press this key less than 1 second to change RICH test or LEAN test Display Hold Press this key less than 1 second during normal test mode to hold display value on LCD lights up To Cancel Press SEL Key...

Page 13: ... in stand by mode display on LCD when input is less than threshold same as grounding indication Err display on LCD when minus voltage is input between input terminals Err error Indication of minus voltage input OL blinks on LCD and stop testing when over current is detected during the simulation test OL Over Load Warning indication of over current input SK 8402 取扱説明書 英文 _P11 11 SPECIFICATIONS 1 Ge...

Page 14: ...e approx 2μA or less in power off mode 300mVA MAX in simulation test mode Approx 80 hours manganese battery Approx 180 hours alkaline battery 1 1kV 50Hz sine wave for 1 minute between circuit and case CE marking approved IEC61010 1 CATⅠ 600V class2 148 H 83 W 33 D mm approx 220g BATTERYWARNING POWER SUPPLY DISPLAY HOLD AUTO POWER OFF OPERATING POWER SUPPLYVOLTAGE POWER CONSUMPTION MAXIMUM MOMENTAR...

Page 15: ...0 seconds intervals with AVG sign Cycle display cycle variability numbers between RICH and LEAN of O2 sensor for 1 second C mV AUTO DH RICH TEST Z T1 T5 S AVG LEAN APO BAD Replacement required CHECK Replacement recommended GOOD No problem The unit works as DC Voltage Meter 6V max before pressingTEST Key Goes down to 999mV range at less than 95 count Goes up to 6V range at 1000 count or more in 999...

Page 16: ...n stand by mode is higher than the threshold H display Simulation test is stopped and OL blinks on LCD when the over current is detected OL Over Load Warning indication of over current input Sensor Impedance of detected threshold Zirconia and Titania 1V sensor sensor impedance approx 100Ω or less 23 Typ Titania 5V sensor sensor impedance approx 500Ω or less 23 Typ The unit cannot be turned off dur...

Page 17: ...ment properly This instrument is suitable for deterioration check for zirconia O2 sensor and titania 1V 5V O2 sensors Confirm the type of the target O2 sensor with your own vehicle maintenance manual BEFORE USE Zirconia O2 sensor Catalyst A F air fuel ratio sensor A F sensor tends to be equipped to fuel efficient car or low exhaust car recently O2 sensor can recognize only a change of signal betwe...

Page 18: ...se the exhausted battery in accordance with the local government rule after applying adhesive tape to both electrodes for insulation Do not heat or disassemble the battery Do not put them into the fire or water It may cause any accidents due to explosion or leakage CAUTION 2 Battery Installation Loosen a screw of battery cover and open it Then insert attached 2 pcs of batteries with the correct po...

Page 19: ... earthing cable Black Sensor signal cable Example 1 Example 2 Example 3 Example 4 Black Purple Blue White Gray Light Brown White Green White Dark Brown Black Black Sensor signal cable Sensor earth ing cable Heater cable 2 cables Zirconia O2 sensor Example 1 Black White Red Sensor signal cable Earthing cable Power supply cable Titania O2 sensor Cable colors between O2 sensor and the connector Not t...

Page 20: ...st lead L shaped plug Black test lead straight plug Red test lead straight plug Black test pin Red test pin Black test lead L shaped plug Press POWER Key for 1 second or more to turn on the instrument It enters stand by mode for cable connection check Press SEL Key for 1 second or more to enter simulation test mode for zirconia O2 sensor lights up on LCD S Press TEST Key for 1 second or less with ...

Page 21: ...red and black male connecting terminals and pressTEST Key for 1 second or less to output RICH signal Press POWER Key for 1 second or more to turn on the instrument It enters stand by mode for cable connection check Press SEL Key for 1 second or more to enter simulation test mode for zirconia O2 sensor lights up on LCD S RICH Z S APO RICH Z S APO Red test lead straight plug Red check harness connec...

Page 22: ...ck straight plugs respectively Short circuit two yellow male connecting terminals and pressTEST Key for 1 second or less to output RICH signal Two yellow check harnesses have good continuity if OL blinks on LCD Otherwise either or both of them should be disconnected This concludes the check harness inspection RICH Z S APO RICH Z S APO Red test lead straight plug Yellow check harness connecting plu...

Page 23: ... after checking the type of O2 sensor Check point The colors of signal cables of O2 sensor and ECU are not the same Confirm the connecting direction of the couplers and connect the proper cables with check harnesses After connecting check harnesses confirm whether cables are connected correctly If the couplers cannot be connected by check harness use test pins red and black instead Refer to the co...

Page 24: ... of check harness yellow x 2 Sensor earthing cable gray Female connecting terminal of check harness black Sensor signal cable black Female connecting terminal of check harness red Connecting coupler for O2 sensor side Connecting coupler for ECU side Female Male connecting terminals black Female Male connecting terminals red Connecting coupler for ECU side Female Male connecting terminals yellow x ...

Page 25: ...ION DIAGRAM Connection image of zirconia O2 sensor with 4 cables SK 8402 ECU in vehicle side Black Red Yellow Yellow Black Red O2 sensor Test lead Check harness Connecting coupler for O2 sensor side Connecting coupler for ECU side Black Red ...

Page 26: ... a few minutes to warm up the O2 sensor Keep constant engine speed at approx 2 500rpm for 30 seconds or more and measure Read the test result by bar graph GOOD No problem CHECK Replacement recommended BAD Replacement required Measurement start Start normal test SK 8402 cannot test with bar graph Measurement finished CAUTION Make the necessary inspection prior to measurement in reference to Prepara...

Page 27: ...or 1 second or less and select the type of O2 sensor to be measured Default setting is zirconia O2 sensor LCD display might be drifting when connecting the test leads or the cables due to the high input impedance of this instrument but does not affect the measurement Check point Titania O2 sensor always has power supply cable red Confirm it when selecting Red test lead L shaped plug Black test lea...

Page 28: ...he heated metal part Stay away from the rotating part of the engine which is very dangerous to be caught in Also be careful about the cables not to be caught in Start the engine under well ventilated environment to prevent carbon monoxide poisoning WARNING Connect two yellow check harness connecting plugs to the red and black straight plugs respectively LCD displays H if the heater cable has the p...

Page 29: ...ead straight plug and fix it to the metal frame part of the car or minus terminal of battery for earthing Connect red test lead straight plug to yellow check harness connecting plug mV Z APO V Z APO H mV Z APO Err Test leads are opened grounded or input voltage is within 50mV Minus voltage is measured such as reverse connection or when back electromotive force is generated 6V or more is measured V...

Page 30: ...r titania 5V O2 sensor Change the setting of O2 sensor type into the correct one if necessary Alligator clip Black test lead straight plug Red test lead straight plug Red check harness connecting plug Connect red and black check harness connecting plugs to the red and black straight plugs respectively If the O2 sensor to be measured has only 1 or 3 cables attach alligator clip to black test lead s...

Page 31: ...erminal and black to terminal When changing the connection stop the engine completely and turn the ignition key switch to OFF position Continue the measurement when the connecting is correct If LCD keeps on displaying confirm the check harness connection between O2 sensor and ECU connecting coupler Continue the measurement if they are connected correctly To prevent any accident carefully check the...

Page 32: ...atalyst to check the condition of 3 way catalyst When measuring the above types of O2 sensors bar graph blinks to alert the user If the bar graph keeps blinking during the normal test confirm the sensor equipped on vehicle is not A F air fuel ratio sensor or not measuring the rear O2 sensor When measuring the O2 sensor that is equipped on the manifold side bar graph displays the actual test result...

Page 33: ...surement When measuring A F sensor or rear O2 sensor RICH LEAN and AVG voltages becomes almost the same Cycle cannot be measured Press SEL Key for 1 second or less during the normal test to hold the display lights up To release it Press SEL Key again for 1 second or more is disappeared Display hold DH DH Display mode can be changed in display hold function Press TEST Key for 2 seconds or more to f...

Page 34: ...e disconnection or blowout of a fuse that is mounted on vehicle may occur Red test pin Sensor signal cable Connect red test pin to red test lead straight plug Connect alligator clip to black test lead straight plug Fix alligator clip to the metal frame part of the car or minus terminal of battery for earthing LCD display might be drifting when connecting the test leads or the cables due to the hig...

Page 35: ...red test pin to the space of sensor signal cable see Confirmation of O2 Sensor Cables and Colors of O2 Sensor Cables in page 17 Start the test after confirming the signals Maintenance of connecting coupler Measurement by using the Test Pin might weaken the waterproof property of the connectors of O2 sensor and ECU Wrap heat resistance waterproof tape around them after taking the measurement Red te...

Page 36: ...ght be memorized in ECU and warning lamp may lights up when simulation test is made for rear O2 sensor Do not make the simulation test for other purposes except for the checking O2 sensor circuit and this instrument CAUTION What is simulation test Simulation test is the function that outputs the simulated sensor signal from SK 8402 and check various defects of O2 sensor and ECU In combination with...

Page 37: ... heater cable or power supply cable during the electric car components are activated It may damage to the instrument CAUTION Press SEL Key for 1 second or more in stand by mode to enter simulation test mode lights up on LCD Confirm the selected O2 sensor type displayed on LCD S LEAN RICH Z S APO Z S APO Connect red and black check harness connecting plugs to the red and black straight plugs respec...

Page 38: ...re to close simulation test mode and to enter the stand by mode When finishing the simulation test follow the procedures described from to in page 31 PressTEST Key for 1 second or less The instrument outputs RICH or LEAN simulation signals for 3 seconds with sign on LCD 3 seconds interval is necessary for next signal output TEST RICH signal output V RICH TEST Z S APO LEAN signal output mV TEST Z S...

Page 39: ...haped plug Black test lead L shaped plug Connect two yellow check harness connecting plugs to the red and black straight plugs respectively Red test lead straight plug Yellow check harness connecting plug Black test lead straight plug Yellow check harness connecting plug Press POWER Key for 1 second or more to turn on the instrument It enters stand by mode for cable connection check Press SEL Key ...

Page 40: ...02 取扱説明書 英文 _P38 SIMULATIONTEST 38 The heater of O2 sensor has good continuity if OL blinks on LCD Otherwise it should be disconnected RICH Z S APO This concludes the disconnection check for O2 sensor heater ...

Page 41: ...e This service is available at KAISE AUTHOR IZED SERVICE AGENCY through your local dealer Insert 2 pcs of new 1 5V R6P AA manganese or LR6 AA alkaline in the correct polarity Detach the instrument and the cables from the measuring object and turn off the instrument Loosen a screw of battery cover and open it Then remove the exhausted batteries NOTE Pull the screw when the battery cover is hard to ...

Page 42: ...short or not enough Press POWER Key for 1 second or more Symptoms Possible Causes and NecessaryTreatments Cannot turn on the instrument The temperature of the O2 sensor is cooler than the certain temperature Warm up the O2 sensor keeping constant engine speed at approx 2 500rpm for 3 or 4 minutes Keep the engine speed at approx 2 500rpm during the normal test Displayed value is unstable Test lead ...

Page 43: ...r KAISE CORPORATION shall not be liable for any consequential damages loss or otherwise The foregoing warranty is exclusive and in lieu of all other warranties including any warranty of merchantability whether expressed or implied This warranty shall not apply to any instrument or other article of equipment which shall have been repaired or altered outside of KAISE AUTHORIZED SERVICE AGENCY nor wh...

Page 44: ...SK 8402 取扱説明書 英文 表4 70 1201 8402 1 1001 ...

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