{"id":4603,"date":"2022-01-20T10:13:32","date_gmt":"2022-01-20T01:13:32","guid":{"rendered":"https:\/\/katuhito.info\/?p=4603"},"modified":"2022-01-20T10:13:56","modified_gmt":"2022-01-20T01:13:56","slug":"mrwagon_k6a","status":"publish","type":"post","link":"https:\/\/katuhito.info\/en\/mrwagon_k6a\/","title":{"rendered":"About the sensor of Suzuki MR Wagon \/ K6A engine"},"content":{"rendered":"<h3>2006 Heisei Suzuki MR Wagon Model: DBA-MF22s Engine Model: K6A inline 3 cylinder 650 cc 12 valve DOHC<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2412 aligncenter\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/MRwagon001-300x150.jpg\" alt=\"\" width=\"300\" height=\"150\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/MRwagon001-300x150.jpg?v=1705664796 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/MRwagon001.jpg?v=1705664796 450w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Many sensors used in automobiles are responsible for sensing some input of engine elements and signaling the actuators that control them. Therefore, there are only two troubles of each sensor, either not detecting the input correctly or sending the signal correctly.<\/p>\n<p>The figure below shows the types and positional relationships of sensors that are adopted in the K6A engine of the Suzuki MR Wagon and the terminal arrangement of the engine control unit (ECU).<\/p>\n<p>We introduce the actual measurement results of what kind of signals are output by the sensors used in the actual car and the waveforms observed by the oscilloscope.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2387\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.18.39-300x104.png\" alt=\"\" width=\"488\" height=\"169\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.18.39-300x104.png?v=1705664800 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.18.39.png?v=1705664800 752w\" sizes=\"auto, (max-width: 488px) 100vw, 488px\" \/><\/p>\n<div id=\"attachment_2388\" style=\"width: 502px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2388\" class=\"wp-image-2388\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.21-261x300.png\" alt=\"\" width=\"492\" height=\"566\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.21-261x300.png?v=1705664800 261w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.21-768x882.png?v=1705664800 768w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.21.png?v=1705664800 789w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" \/><p id=\"caption-attachment-2388\" class=\"wp-caption-text\">K6A engine of Suzuki MR Wagon and list of sensors used<\/p><\/div>\n<div id=\"attachment_2389\" style=\"width: 505px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2389\" class=\"wp-image-2389\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36-300x60.png\" alt=\"\" width=\"495\" height=\"99\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36-300x60.png?v=1705664799 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36-768x154.png?v=1705664799 768w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36.png?v=1705664799 784w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><p id=\"caption-attachment-2389\" class=\"wp-caption-text\">Terminal arrangement of K6A engine control unit (ECU)<\/p><\/div>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- katu_add --><br \/>\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-5974217711969010\"\n     data-ad-slot=\"6750082740\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<h4 class=\"midasi03\"><strong>Engine adjustment<\/strong><\/h4>\n<h5 class=\"midasi01\"><strong>Inspection of ignition timing<\/strong><\/h5>\n<p>Clamp the timing light to the ignition coil connection harness for No. 1 cylinder. (Lower figure) The reference value is 5 \u00b1 3 \u00b0 BTDC \/ 900 \u00b1 50 rpm, but can not be adjusted. After repairing the defective part, check again to see if it is at the reference value.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2390\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.50-244x300.png\" alt=\"\" width=\"338\" height=\"416\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.50-244x300.png?v=1705664799 244w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.50.png?v=1705664799 387w\" sizes=\"auto, (max-width: 338px) 100vw, 338px\" \/><\/p>\n<h5 class=\"midasi01\"><strong>Inspection of idling speed<\/strong><\/h5>\n<p>There is no place to install the tachometer, so check the engine speed with the maker dedicated tester. The reference value is 900 \u00b1 50 rpm (N or P) at engine no load. (Unadjustable) Similarly check the defective part again for the reference value after repair.<\/p>\n<h4 class=\"midasi03\"><strong>Self-diagnosis (Diagnosis)<\/strong><\/h4>\n<p>By short-circuiting the DN terminal of the Diag Monitor Coupler (Milky White 6P) shown below with the IG switch ON, it can be read by the number of flashes of the onboard engine check lamp. The code is displayed in 4 digits, 0 is lighted for 1 second, otherwise it is lighted for 0.3 seconds, code is displayed for 3 seconds pause. For code erase, remove the DOME fuse for over 20 seconds. (Or, remove the minus terminal of the battery.) Actually, it was not possible to delete until about 60 seconds or more had elapsed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2391\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.20.13-300x109.png\" alt=\"\" width=\"531\" height=\"193\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.20.13-300x109.png?v=1705664799 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.20.13-768x278.png?v=1705664799 768w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.20.13.png?v=1705664799 833w\" sizes=\"auto, (max-width: 531px) 100vw, 531px\" \/><\/p>\n<h4 class=\"midasi03\"><strong>Sensor signal output waveform<\/strong><\/h4>\n<p>Below, we introduce the waveform of the real sensor&#8217;s oscilloscope. The numbers in parentheses are the numbers of the terminal arrangement diagram of the engine control unit (ECU).<\/p>\n<div id=\"attachment_2389\" style=\"width: 515px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2389\" class=\" wp-image-2389\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36-300x60.png\" alt=\"\" width=\"505\" height=\"101\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36-300x60.png?v=1705664799 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36-768x154.png?v=1705664799 768w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.19.36.png?v=1705664799 784w\" sizes=\"auto, (max-width: 505px) 100vw, 505px\" \/><p id=\"caption-attachment-2389\" class=\"wp-caption-text\">Terminal arrangement diagram of engine control unit (ECU) of K6A type engine<\/p><\/div>\n<h5 class=\"midasi01\"><strong>Crank angle sensor signal (# 9) \/ cam angle sensor CS 2 signal (# 24)<\/strong><\/h5>\n<p>Both of these sensors are of the magnetic type.<\/p>\n[Crank angle sensor actual measurement value]: 1.55 V at cranking, 1.44 V at idling, 1.38 V at 2500 rpm<\/p>\n[Measurement value of cam angle sensor]: 1.14 V at cranking, 1.17 V at idling, 1.17 V at 2500 rpm<\/p>\n<p>Figure 1 below shows the output waveforms of the cam angle sensor (upper) and the crank angle sensor (lower) during idling. FIG. 2 shows the case at 2500 rpm.<\/p>\n<div id=\"attachment_2392\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2392\" class=\"size-medium wp-image-2392\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.20.34-300x228.png\" alt=\"\" width=\"300\" height=\"228\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.20.34-300x228.png?v=1705664799 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.20.34.png?v=1705664799 386w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2392\" class=\"wp-caption-text\">Output signal waveform of cam angle sensor (upper) and crank angle sensor (lower) during idling<\/p><\/div>\n<h5 class=\"midasi01\"><strong>Pressure sensor signal (# 58)<\/strong><\/h5>\n[Actual measurement value of intake air amount signal]: 4.01 V at IG ON, 1.42 V at idling, 1.29 V at 2000 rpm, 1.36 V at 4000 rpm<\/p>\n<p>Figure 3 shows the output waveform of the throttle sensor when IG OFF \u2192 IG ON \u2192 full accelerator \u2192 fully closed \u2192 IG OFF.<\/p>\n<div id=\"attachment_2394\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2394\" class=\"size-medium wp-image-2394\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.06-300x223.png\" alt=\"\" width=\"300\" height=\"223\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.06-300x223.png?v=1705664798 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.06.png?v=1705664798 380w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2394\" class=\"wp-caption-text\">Output signal waveform of throttle sensor<\/p><\/div>\n<h5 class=\"midasi01\"><strong>Water temperature sensor signal (# 11)<\/strong><\/h5>\n[Water temperature sensor actual measurement value]: Pseudo coolant temperature 120 \u00b0 C: 0.32 V, as shown in the table below.<\/p>\n<table class=\"table table-hover\">\n<tbody>\n<tr>\n<td>100\u2103<\/td>\n<td>80\u2103<\/td>\n<td>60\u2103<\/td>\n<td>40\u2103<\/td>\n<td>20\u2103<\/td>\n<td>0\u2103<\/td>\n<\/tr>\n<tr>\n<td>0.42V<\/td>\n<td>0.78V<\/td>\n<td>1.24V<\/td>\n<td>1.94V<\/td>\n<td>2.87V<\/td>\n<td>3.80V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- katu_add --><br \/>\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-5974217711969010\"\n     data-ad-slot=\"6750082740\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<h5 class=\"midasi01\"><strong>Intake air temperature sensor signal (# 26)<\/strong><\/h5>\n[Measured value] Pseudo coolant temperature 120 \u00b0 C: 0.27 V or less As shown in the table.<\/p>\n<table class=\"table table-hover\">\n<tbody>\n<tr>\n<td>100\u2103<\/td>\n<td>80\u2103<\/td>\n<td>60\u2103<\/td>\n<td>40\u2103<\/td>\n<td>20\u2103<\/td>\n<td>0\u2103<\/td>\n<\/tr>\n<tr>\n<td>0.35V<\/td>\n<td>0.65V<\/td>\n<td>1.06V<\/td>\n<td>1.68V<\/td>\n<td>2.55V<\/td>\n<td>3.49V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- katu_add --><br \/>\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-5974217711969010\"\n     data-ad-slot=\"6750082740\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<h5 class=\"midasi01\"><strong>LAF sensor IPA signal (# 13)<\/strong><\/h5>\n<p>Fig. 4 shows the output waveform of the LAF sensor IPA signal at 2500 rpm.<\/p>\n<div id=\"attachment_2395\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2395\" class=\"size-medium wp-image-2395\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.20-300x230.png\" alt=\"\" width=\"300\" height=\"230\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.20-300x230.png?v=1705664798 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.20.png?v=1705664798 372w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2395\" class=\"wp-caption-text\">Figure 4: LAF sensor output signal waveform at 2500 rpm<\/p><\/div>\n<h4 class=\"midasi03\"><strong>Actuator (control system)<\/strong><\/h4>\n<h5 class=\"midasi01\"><strong>Fuel injection control (# 1, # 2, # 17)<\/strong><\/h5>\n<p>In the fuel injection system, sequential injection is performed during cranking and idling, and simultaneous injection is performed during acceleration interruption.<\/p>\n[Actual Measurement] Cranking Injection Time: 11.8 sec, Operating Voltage: 11.27 V, Idling Injection Time: 2 msec, Operating Voltage: 14.09 V, 3000 rpm Injection Time: 2 msec, Operating Voltage: 13.94 V<\/p>\n<p>5 to 8 shown below are waveforms of output signals of the injectors in each state, in which (upper) is the injector NO1 and (lower) is the injector NO3.<\/p>\n<div id=\"attachment_2396\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2396\" class=\"size-medium wp-image-2396\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.44-300x236.png\" alt=\"\" width=\"300\" height=\"236\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.44-300x236.png?v=1705664798 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.21.44.png?v=1705664798 377w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2396\" class=\"wp-caption-text\">Figure 5: Cranking<\/p><\/div>\n<div id=\"attachment_2397\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2397\" class=\"size-medium wp-image-2397\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.01-300x240.png\" alt=\"\" width=\"300\" height=\"240\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.01-300x240.png?v=1705664797 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.01.png?v=1705664797 364w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2397\" class=\"wp-caption-text\">Figure 6: 3000 rpm<\/p><\/div>\n<div id=\"attachment_2398\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2398\" class=\"size-medium wp-image-2398\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.13-300x237.png\" alt=\"\" width=\"300\" height=\"237\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.13-300x237.png?v=1705664797 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.13.png?v=1705664797 386w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2398\" class=\"wp-caption-text\">Figure 7: Idling<\/p><\/div>\n<div id=\"attachment_2399\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2399\" class=\"size-medium wp-image-2399\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.23-300x239.png\" alt=\"\" width=\"300\" height=\"239\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.23-300x239.png?v=1705664797 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.23.png?v=1705664797 381w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2399\" class=\"wp-caption-text\">Figure 8: During rapid acceleration racing<\/p><\/div>\n<h5 class=\"midasi01\"><strong>Ignition timing control (# 34, # 35, # 36)<\/strong><\/h5>\n<p>The distribution method is a direct method (ignition coil with built-in power transistor).<\/p>\n<p>9 to 10 shown below show the waveforms of the ignition output signal 1 (upper) and the ignition output signal 2 (lower) at the time of idling and at 3000 rpm.<\/p>\n<div id=\"attachment_2400\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2400\" class=\"size-medium wp-image-2400\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.40-300x235.png\" alt=\"\" width=\"300\" height=\"235\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.40-300x235.png?v=1705664797 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.40.png?v=1705664797 375w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2400\" class=\"wp-caption-text\">Figure 9: During idling<\/p><\/div>\n<div id=\"attachment_2401\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2401\" class=\"size-medium wp-image-2401\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.54-300x234.png\" alt=\"\" width=\"300\" height=\"234\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.54-300x234.png?v=1705664796 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.22.54.png?v=1705664796 373w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2401\" class=\"wp-caption-text\">Figure 10: 3000 rpm<\/p><\/div>\n<h5 class=\"midasi01\"><strong>Idling speed control (SMA (# 5), SMB (# 6), SNC (# 20), SMD (# 21))<\/strong><\/h5>\n<p>Idling rotation control by step motor type is performed.<\/p>\n<p>The lower figure 11 shows the output waveforms of the SMA signal (upper) and the SMB signal (lower) during no load idling.<\/p>\n<div id=\"attachment_2402\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2402\" class=\"size-medium wp-image-2402\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.23.08-300x228.png\" alt=\"\" width=\"300\" height=\"228\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.23.08-300x228.png?v=1705664796 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.23.08.png?v=1705664796 382w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2402\" class=\"wp-caption-text\">Fig. 11: Stepping motor type idling speed control signal at no load idling. SMA signal (upper), SMB signal (lower)<\/p><\/div>\n<h5 class=\"midasi01\"><strong>Variable valve timing of the intake side valve is varied by the oil control (OCV).<\/strong><\/h5>\n<p>FIG. 12 shown below is the output waveform of the OCV signal immediately after the leave.<\/p>\n<div id=\"attachment_2403\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2403\" class=\"size-medium wp-image-2403\" src=\"http:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.23.20-300x229.png\" alt=\"\" width=\"300\" height=\"229\" srcset=\"https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.23.20-300x229.png?v=1705664796 300w, https:\/\/katuhito.info\/wp-content\/uploads\/2019\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2019-02-12-13.23.20.png?v=1705664796 382w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2403\" class=\"wp-caption-text\">Fig. 12: Output signal waveform of oil control valve OCV during rapid acceleration<\/p><\/div>\n<p><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- katu_add --><br \/>\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-5974217711969010\"\n     data-ad-slot=\"6750082740\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2006 Heisei Suzuki MR Wagon Model: DBA-MF22s Engine Model: K6A inline 3 cylinder 650 cc 12 valve DOHC Many sen [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_locale":"en_US","_original_post":"http:\/\/katuhito.info\/?p=2384","footnotes":""},"categories":[15,9],"tags":[],"class_list":["post-4603","post","type-post","status-publish","format-standard","hentry","category-basic_maintanannce_ja","category-basic_ja","en-US"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/posts\/4603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/comments?post=4603"}],"version-history":[{"count":3,"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/posts\/4603\/revisions"}],"predecessor-version":[{"id":4607,"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/posts\/4603\/revisions\/4607"}],"wp:attachment":[{"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/media?parent=4603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/categories?post=4603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/katuhito.info\/wp-json\/wp\/v2\/tags?post=4603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}