{"id":10519,"date":"2022-03-10T20:30:57","date_gmt":"2022-03-10T20:30:57","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2758943\/"},"modified":"2022-03-10T20:30:57","modified_gmt":"2022-03-10T20:30:57","slug":"sm2758943","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2758943\/","title":{"rendered":"ABS WHEEL-SPEED SENSOR AND ABS SENSOR ROTOR"},"content":{"rendered":"<div class=\"detailsTabContent\">\n<h3 class=\"c1\">ABS WHEEL-SPEED SENSOR AND ABS SENSOR ROTOR<\/h3>\n<\/div>\n<p>SM2758943<\/p>\n<div class=\"node SERVICE_MANUALS\"><\/p>\n<div class=\"textleft\">\n<div class=\"attr CONTENT content c2\">\n<hr \/>\n<p class=\"servinfo-title-id\" align=\"right\">id041500104900<\/p>\n<p><br clear=\"all\" \/><br \/>\n<a name=\"id0415001049x101\" id=\"id0415001049x101\"><\/a><\/p>\n<p class=\"servinfosub-title\">Purpose\/Function<\/p>\n<div class=\"list\">\u2022 The ABS wheel-speed sensor and ABS sensor rotor detect the rotation condition of each wheel and transmit this to the DSC HU\/CM as a wheel speed signal and wheel angle signal.<\/div>\n<div class=\"list\">\u2022 The signal from the ABS wheel-speed sensor is the primary signal that the DSC HU\/CM uses when carrying out control.<\/div>\n<p><br clear=\"all\" \/><br \/>\n<a name=\"id0415001049x102\" id=\"id0415001049x102\"><\/a><\/p>\n<p class=\"servinfosub-title\">Construction<\/p>\n<div class=\"list\">\u2022 The ABS wheel-speed sensor utilizes a semi-conductor element that contains an active drive circuit (MR element <sup>*<\/sup>). The front sensor is installed on the steering knuckle and the rear sensor is installed on the wheel hub.<\/div>\n<div class=\"list\">\u2022 The front ABS sensor rotor utilizes a magnetic encoder system that functions with magnetic rubber, and is integrated into the front wheel hub. Therefore, if there is any malfunction of the front ABS sensor rotor, replace the front wheel hub.<\/div>\n<div class=\"list\">\u2022 The rear ABS sensor rotor utilizes a magnetic encoder system that functions with magnetic rubber, and is integrated into the rear wheel hub. Therefore, if there is any malfunction of the rear ABS sensor rotor, replace the rear wheel hub.<\/div>\n<div class=\"ptxt\"><sup>*<\/sup>: A magneto-resistive force means that an exterior magnetic field acts on the element, changing the resistance of the element.<\/div>\n<dl>\n<dd>\n<div class=\"attention2-label\">Caution<\/div>\n<\/dd>\n<dd>\n<div class=\"attention2 list\">\u2022 When inspecting the ABS wheel-speed sensor, do not use a tester to inspect resistance. It is possible that the voltage from the tester could damage the semiconductor inside the ABS wheel-speed sensor. Inspect using the PID data monitor of the Mazda modular diagnostic system (M-MDS).<\/div>\n<\/dd>\n<\/dl>\n<dl>\n<dd>\n<div class=\"attention3-label\">Note<\/div>\n<\/dd>\n<dd>\n<div class=\"attention3 list\">\u2022 Magnetic encoder: A plate that has positive and negative poles (marked out) in a continuous, alternating line.<\/div>\n<\/dd>\n<\/dl>\n<p class=\"figure-title\">Front ABS wheel-speed sensor and sensor rotor<\/p>\n<table class=\"figure-flame-non table-flame\">\n<tbody>\n<tr>\n<td>\n<table class=\"figure-non-float table-flame\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td align=\"center\"><img decoding=\"async\" src=\"..\/assets\/am3zzn00006793.png\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"figure-caption\">am3zzn00006793<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"figure-title\">Rear ABS wheel-speed sensor and sensor rotor<\/p>\n<table class=\"figure-flame-non table-flame\">\n<tbody>\n<tr>\n<td>\n<table class=\"figure-non-float table-flame\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td align=\"center\"><img decoding=\"async\" src=\"..\/assets\/am3zzn00009756.png\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"figure-caption\">am3zzn00009756<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><br clear=\"all\" \/><br \/>\n<a name=\"id0415001049x103\" id=\"id0415001049x103\"><\/a><\/p>\n<p class=\"servinfosub-title\">Operation<\/p>\n<div class=\"list\">\u2022 As the ABS sensor rotor rotates, the magnetic flux between the ABS wheel-speed sensor and the ABS sensor rotor change periodically. This periodic change is in proportion to the rotation speed.<\/div>\n<div class=\"list\">\u2022 The semiconductor element in the wheel speed sensor detects the change in magnetic flux, and the active drive circuit converts it to a rectangular wave signal for the current, which is transmitted to the DSC HU\/CM.<\/div>\n<div class=\"list\">\u2022 For every single rotation of the ABS sensor rotor, 48 rectangular wave pulse signals are output. The CM in the DSC HU\/CM calculates the wheel speed from the periodicity of these pulses. In addition, the wheel rotation angle is calculated based on the number of output pulses.<\/div>\n<table class=\"figure-flame-non table-flame\">\n<tbody>\n<tr>\n<td>\n<table class=\"figure-non-float table-flame\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td align=\"center\"><img decoding=\"async\" src=\"..\/assets\/am5ezn00001103.png\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"figure-caption\">am5ezn00001103<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"ATTACHMENTS\"><\/div>\n<div class=\"attr VTOC_FILENAME content c2\"><!--\n                        am3zz041500n0000083 --><\/div>\n<div class=\"attr SIE_ID content c2\"><!--\n                        id041500104900.ent --><\/div>\n<p><!--\n*****************************\nERROR: Schema not found. TYPE=META REFERENCEKEY=SERVICE_MANUALS ROOT=null\n*****************************\n--><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ABS WHEEL-SPEED SENSOR AND ABS SENSOR ROTOR SM2758943 id041500104900 Purpose\/Function \u2022 The ABS wheel-speed sensor and ABS sensor rotor detect the rotation condition of each wheel and transmit this to the DSC HU\/CM as a wheel speed signal and wheel angle signal. \u2022 The signal from the ABS wheel-speed sensor is the primary signal that the DSC HU\/CM uses when carrying out control. Construction \u2022 The ABS wheel-speed sensor utilizes a semi-conductor element that contains [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-10519","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/10519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/comments?post=10519"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/10519\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=10519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}