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Kaise SK-8402 Instruction Manual

O2 sensor checker
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SK-8402 取扱説明書（英文）_表1
O
2
SENSOR CHECKER
Instruction Manual
SK-8402

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  • Page 1 SK-8402 取扱説明書（英文）_表1 SENSOR CHECKER Instruction Manual SK-8402...

  • Page 2: Table Of Contents

    SK-8402 取扱説明書（英文）_表2 INTRODUCTION Thank you for purchasing KAISE "SK-8402 O2 SENSOR CHECKER". To obtain the maximum performance of this instrument, read this Instruction Manual carefully, and take safe measurement. CONTENTS SAFETY PRECAUTIONS BASIC CONNECTION DIAGRAM ∼ OPERATING PRECAUTIONS ∼ NORMAL TEST FEATURES 1.

  • Page 3: Safety Precautions 1

    SK-8402 取扱説明書（英文）_P1 SAFETY PRECAUTIONS (strict observance is required) This instruction manual contains the important contents to prevent harm to user or others and damage of property, and to use the instrument safely and correctly. Read this manual carefully and obey the contents after having understand the following terms and symbols.
  • Page 4 SK-8402 取扱説明書（英文）_P2 SAFETY PRECAUTIONS (strict observance is required) WARNING Be careful about your hands, gloves and clothes not to be caught in the engine belt or cooling fan. Important to prevent injury. Do not to touch the heated part of the engine such as exhausting parts.
  • Page 5 SK-8402 取扱説明書（英文）_P3 SAFETY PRECAUTIONS (strict observance is required) WARNING Keep the instrument away from babies or children. Important to prevent any accident, injury, or electric shock hazard. Do not work under the car when it is jacked up. Unexpected accident may occur.
  • Page 6 SK-8402 取扱説明書（英文）_P4 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 consult with your local dealer. Using the faulty instrument may cause the unexpected accident, fire, or electric shock.
  • Page 7 SK-8402 取扱説明書（英文）_P5 SAFETY PRECAUTIONS (strict observance is required) CAUTION Be careful about the instrument or the cables not to be caught in the engine belt or cooling fan. Short circuit or wire breaking may occur that could cause unexpected accident, electric shock, or damage to the instrument or the car.

  • Page 8: Operating Precautions 6

    SK-8402 取扱説明書（英文）_P6 OPERATING PRECAUTIONS ●SK-8402 is the O2 Sensor Checker for the O2 sensor of Zirconia, Titania 1V and Titania 5V. SK-8402 can not check deterioration judgment of A/F (air-fuel ratio) Sensor or Rear O2 Sensor. ●Check object of this instrument is O2 sensor unit only. If the other parts are defective, engine trouble might not be solved even if the O2 sensor is replaced.
  • Page 9 SK-8402 取扱説明書（英文）_P7 OPERATING PRECAUTIONS Cautions for Handling Cautions for safekeeping ●Do not apply mechanical shock. ●Do not keep the instrument in the following place.  The shock such as dropping or beating might  ・The place where has the water splash  ・The place where applies the hard shock damage the instrument and may cause the trouble.

  • Page 10: Features

    SK-8402 取扱説明書（英文）_P8 FEATURES ●Deterioration level of O2 sensor can be checked ●O2 sensor signal can be measured directly without easily by bar-graph. changing the present exhaust system. TEST TEST TEST RICH RICH RICH GOOD CHECK GOOD CHECK GOOD CHECK GOOD...

  • Page 11: Unpacking And Inspection

    SK-8402 取扱説明書（英文）_P9 UNPACKING AND INSPECTION (Check before use) Confirm if the following items are contained in the package in good condition. If there are any damages or missing items, ask your local dealer for replacement. ①O2 Sensor Checker…1pce. ②Test Lead (100-65)…1pce.

  • Page 12: Name Illustration

    SK-8402 取扱説明書（英文）_P10 NAME ILLUSTRATION TEST Key ●O2 Sensor Checker ①Press this key for 1 second or more to start the normal test. Input Input ②Press this key for 2 seconds or more to finish the normal test. Terminal Terminal ③Press this key less than 1 second to change the display mode (−)

  • Page 13: Specifications

    SK-8402 取扱説明書（英文）_P11 SPECIFICATIONS 1. General Specifications １. ⊿ΣConversion OPERATING PRINCIPLE ２. TEST METHOD Input voltage calculation by microprocessor ３. SAMPLING RATE 500 times/second (LCD : 1 time/second in stand-by mode) ４. DISPLAY (LCD) a. Numerical Display: LCD 999 count, 13 segment bar graph , DH, Z, T1, T5, S, RICH, LEAN, AVG, APO, C, m, V, ▲...
  • Page 14 SK-8402 取扱説明書（英文）_P12 SPECIFICATIONS １ ５. BATTERY WARNING sign starts blinking when the battery voltage becomes at approx. 2.5V. Simulation test should be stopped when it is detected. sign blinks on LCD at approx. 2.4V or less. １ ６. 1.5V R6P or LR6(AA) batteries × 2 POWER SUPPLY １...

  • Page 15: Measurement Specifications

    SK-8402 取扱説明書（英文）_P13 SPECIFICATIONS 2. Measurement Specifications ④Cycle display: cycle variability numbers between RICH ℃ ±5 ℃ 、80％RH or lower, in non-condensing) and LEAN of O2 sensor for 1 second. Range Accuracy Range Accuracy Resolution Max. effective input Resolution ±1%rdg±2dgt (from 0.2C) 0 to 200mV：±1.5%rdg±10dgt...

  • Page 16: Simulation Test

    SK-8402 取扱説明書（英文）_P14 SPECIFICATIONS ● LCD display ： Lights up when Titania 5V sensor is selected ： Lights up when simulation test mode is selected ① In RICH test : blinks. RICH ： Lights up or blinks when RICH voltage is displayed ②...

  • Page 17: Before Use

    SK-8402 取扱説明書（英文）_P15 BEFORE USE 1. Types of O2 Sensors Correct knowledge about the O2 sensor types are necessary to use this instrument 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.

  • Page 18: Battery Installation

    SK-8402 取扱説明書（英文）_P16 BEFORE USE 2. Battery Installation Install attached batteries before using the instrument. ①Loosen a screw of battery cover and open it. WARNING Then, insert attached 2 pcs of batteries with the ●To prevent electric shock, detach the instrument from correct polarity as shown in the plus○...

  • Page 19: Confirmation Of O2 Sensor Cables

    SK-8402 取扱説明書（英文）_P17 BEFORE USE 3. Confirmation of O2 Sensor Cables 4. Colors of O2 Sensor Cables ※Cable colors between O2 sensor and the connector. Types and Numbers of Zirconia O2 Sensor Cables Not the cable colors of ECU side connector.

  • Page 20: Preparation For Use

    SK-8402 取扱説明書（英文）_P18 PREPARATION FOR USE 1. Inspection of Check Harness and Test Lead ③Press POWER Key for 1 second or more to turn on the instrument. It enters stand-by mode for cable Inspect whether test lead and check harness are not connection check.
  • Page 21 SK-8402 取扱説明書（英文）_P19 PREPARATION FOR USE ③ Press POWER Key for 1 second or more to turn on ⑥Test lead wires have good continuity if "OL" blinks the instrument. It enters stand-by mode for cable on LCD. Otherwise, they should be disconnected.
  • Page 22 SK-8402 取扱説明書（英文）_P20 PREPARATION FOR USE ⑥Red and black check harnesses have good continuity ⑨Short-circuit two yellow male connecting terminals if "OL" blinks on LCD. Otherwise, either or both of and press TEST Key for 1 second or less to output them should be disconnected.
  • Page 23 SK-8402 取扱説明書（英文）_P21 PREPARATION FOR USE 2. Check Harness Connection ③Connect the couplers of ECU and O2 sensor with Connect check harnesses in accordance with the check harnesses. Signal cables in the couplers should be connected following procedures after checking the type of O2 sensor.
  • Page 24 SK-8402 取扱説明書（英文）_P22 PREPARATION FOR USE Example of check harness connection for "zirconia O2 sensor, example 1" in page 17 Connecting coupler for O2 sensor side Connecting coupler for ECU side ●Connect male connecting terminal of check harness. ●Connect female connecting terminal of check harness.

  • Page 25: Check Harness Connection

    SK-8402 取扱説明書（英文）_P23 BASIC CONNECTION DIAGRAM Connection image of zirconia O2 sensor with 4 cables Connecting coupler Connecting coupler for ECU side for O2 sensor side Check harness Test lead O2 sensor ECU in vehicle side Black SK-8402...

  • Page 26: Normal Test

    Is A/F sensor or Rear O2 sensor measuring? Heater Check the circuit or connect- SK-8402 cannot test with bar graph. Measurement finished. cable or power supply ing of heater cable or power cable have the proper supply cable.

  • Page 27: Measurement Procedure With Check Harness 25

    SK-8402 取扱説明書（英文）_P25 NORMAL TEST 2. Measurement Procedure with ③Press SEL Key for 1 second or less and select the Check Harness type of O2 sensor to be measured. Default setting is zirconia O2 sensor. ①Connect red and black L -shaped plugs of the test lead to red (＋) and black (−) input terminals...
  • Page 28 SK-8402 取扱説明書（英文）_P26 NORMAL TEST ④Start the engine. Checks of the heater cable voltage (when available) WARNING Connect two yellow check harness connecting plugs ●Do not touch the engine which has high temperature. to the red and black straight plugs respectively.
  • Page 29 SK-8402 取扱説明書（英文）_P27 NORMAL TEST If LCD displays "Err", change the connection of two Checks of the power supply cable voltage yellow check harness connecting plugs and the red (when available) and black straight plugs the in reverse. ●Connection of Titania O2 Sensor Heater voltage is good if LCD displays "H".
  • Page 30 SK-8402 取扱説明書（英文）_P28 NORMAL TEST When the proper power supply voltage is supplied, ※If the O2 sensor to be measured has only 1 or 3 LCD displays approx. 1V for titania 1V O2 sensor and cables, attach alligator clip to black test lead approx.
  • Page 31 ※LCD displays "Err" continuously if the sensor signal cable and sensor earthing cable are connected in reverse. In this case, change the connection of test leads to input terminals of SK-8402 in reverse, red (example) to (−) terminal and black to (＋) terminal.
  • Page 32 SK-8402 取扱説明書（英文）_P30 NORMAL TEST ⑨Keep the engine speed at approx. 2,500rpm. When ※SK-8402 cannot display the deterioration measuring the car without tachometer, estimate the levels of A/F (air-fuel ratio) sensor and rear O2 engine speed by its sound. Bar graph becomes stable...
  • Page 33 SK-8402 取扱説明書（英文）_P31 NORMAL TEST Check point Available functions ●RICH voltage drops down when O2 sensor Display mode changing deteriorates. ●Press TEST Key for 1 second or less. ●LEAN voltage changes upper and lower than RICH → LEAN → AVG → Cycle → AUTO → RICH the standard LEAN voltage, and cycling speed decreases.
  • Page 34 SK-8402 取扱説明書（英文）_P32 NORMAL TEST 3. Measurement Procedure with Test Pin ④Insert red test pin to the space of sensor signal cable from the backside of connecting couplers of ●Testing procedure when O2 sensor and ECU O2 sensor or ECU (see "Confirmation of O2 Sensor cannot be connected by check harness Cables"...
  • Page 35 SK-8402 取扱説明書（英文）_P33 NORMAL TEST ⑤If the O2 sensor to be measured has only 2 or 4 ●Maintenance of connecting coupler cables, attach black test pin to black straight plug Measurement by using the Test Pin might instead of alligator clip, and insert it to the space of...
  • Page 36 Simulation test is the function that outputs the ※Connect O2 sensor and ECU properly with check simulated sensor signal from SK-8402 and check harness before starting the simulation test. various defects of O2 sensor and ECU. In combination ※An error code might be memorized in ECU and...

  • Page 37: Simulation Test Maintenance

    SK-8402 取扱説明書（英文）_P35 SIMULATION TEST ⑤Press SEL Key for 1 second or more in stand-by CAUTION mode to enter simulation test mode. lights up Do not apply the simulation test for titania 5V on LCD. O2 sensor to zirconia O2 sensor or titania 1V ※Confirm the selected O2 sensor type displayed...
  • Page 38 SK-8402 取扱説明書（英文）_P36 SIMULATION TEST ⑦Press TEST Key for 1 second or less. The instrument Example 1 : Trouble of O2 sensor (internal short circuit) outputs RICH or LEAN simulation signals for 3 Example 2 : Short circuit of the cable connection seconds with sign on LCD.
  • Page 39 SK-8402 取扱説明書（英文）_P37 SIMULATION TEST Disconnection check for the O2 sensor heater ⑤Connect two yellow check harness connecting plugs to the red and black straight plugs respectively. Disconnection check for the O2 sensor heater is Yellow check harness possible by simulation test.
  • Page 40 SK-8402 取扱説明書（英文）_P38 SIMULATION TEST ⑨The heater of O2 sensor has good continuity if "OL" blinks on LCD. Otherwise, it should be disconnected. RICH ⑨This concludes the disconnection check for O2 sensor heater.

  • Page 41: Battery Replacement

    ③Insert 2 pcs of new 1.5V R6P (AA manganese) or service. This service is available at KAISE AUTHOR- LR6 (AA alkaline) in the correct polarity. IZED SERVICE AGENCY through your local dealer.

  • Page 42: Trouble Shooting

    SK-8402 取扱説明書（英文）_P40 TROUBLE SHOOTING If there are any failure with this instrument, check the following trouble shoots before asking repair service. Ask KAISE AUTHORIZED SERVICE AGENCY through your local dealer when there are any questions or troubles with this instrument. Symptoms Possible Causes and Necessary Treatments ●...

  • Page 43: Warranty

    WARRANTY WARRANTY SK-8402 is warranted in its entirety against any defects of material or workmanship under normal use and service within a period of one year from the date of purchase of the original purchaser. Warranty service is available at KAISE AUTHORIZED SERVICE AGENCY through your local dealer. Their obligation under this warranty is limited to repairing or replacing SK-8402 returned intact or in warrantable defect with proof of purchase and transport charges prepaid.
  • Page 44 SK-8402 取扱説明書（英文）_表4 70-1201-8402-1 1001...

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