{"id":8637,"date":"2022-03-10T20:30:40","date_gmt":"2022-03-10T20:30:40","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2334033\/"},"modified":"2022-03-10T20:30:40","modified_gmt":"2022-03-10T20:30:40","slug":"sm2334033","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2334033\/","title":{"rendered":"DYNAMIC STABILITY CONTROL (DSC) [(US)]"},"content":{"rendered":"
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DYNAMIC STABILITY CONTROL (DSC) [(US)]<\/h3>\n<\/div>\n

SM2334033<\/p>\n

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id0415001046x1<\/p>\n



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Outline<\/p>\n

\u2022 Electrical brake assist control has been adopted, improving safety.<\/div>\n
\u2022 The DSC HU\/CM, integrating both the Hydraulic Unit (HU) and Control Module (CM), has been adopted, resulting in a size and weight reduction.<\/div>\n
\u2022 An enhanced malfunction diagnosis system, used with the Mazda Modular Diagnostic System (M-MDS), improving serviceability.<\/div>\n
\u2022 Serviceability improved by the automatic configuration function.<\/div>\n
\u2022 Receives the lateral-G, longitudinal-G, and yaw rate signals between the Sophisticated Air bag Sensor (SAS) control module and the DSC HU\/CM via Controller Area Network (CAN) lines instead of the conventional combined sensor.<\/div>\n
\u2022 The hill launch assist (HLA), and secondary collision reduction *<\/sup> have been adopted, improving safety.<\/div>\n
*:Vehicles with Mazda radar cruise control (MRCC) system<\/div>\n


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DSC operation outline<\/p>\n

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\u2022 The ABS prevents wheel lock-up during braking. The TCS detects drive wheel spin due to the accelerator pedal being pressed too hard or similar causes and controls engine speed to suppress wheel spin. With these systems, safety is assured when driving or stopping.<\/div>\n
\u2022 Additionally, sudden changes in vehicle attitude, due to evasive steering or road conditions, are controlled by the DSC. The DSC suppresses vehicle sideslip when driving due to vehicle spin (oversteer) or drift-out (understeer) by controlling braking and engine speed. At this time, the TCS\/DSC indicator light illuminates to alert the driver that the DSC is operating due to a dangerous situation. As a result, the driver can calmly react and is provided leeway for the next maneuver, resulting in safe driving conditions.<\/div>\n
\u2022 In this way the combination of DSC + ABS + TCS ensures driving, stopping and turning safety in all aspects.<\/div>\n<\/dd>\n<\/dl>\n

Results of DSC operation<\/p>\n\n\n\n
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ac5wzn00000240<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Caution<\/div>\n<\/dd>\n
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\u2022 While the DSC is a steering safety system, it does not improve normal steering function. Therefore, always drive carefully, even if the vehicle has DSC, and do not overestimate the DSC capability.<\/div>\n
\u2022 If the initialization procedures for the brake fluid pressure, low-G, and yaw rate sensors are not performed correctly, an incorrectly determined initial point may cause a discrepancy between the actual driving conditions of the vehicle and the signals from the sensors, resulting in improper DSC operation. Therefore, after replacing the following parts, make sure to perform the DSC HU\/CM initialization procedures of the sensors with the vehicle stopped on a level ground to insure proper DSC operation. For the initialization procedures of the sensors, refer to the Workshop Manual.<\/div>\n
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\u2015 DSC HU\/CM<\/div>\n
\u2015 SAS control module<\/div>\n<\/dd>\n<\/dl>\n
\u2022 The DSC and ABS will not operate normally under the following conditions:<\/div>\n
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\u2015 With tires that are not of the specified size, manufacturer or tread pattern, or not inflated according to specification<\/div>\n
\u2015 With tires that have significant comparative wear variation<\/div>\n
\u2015 With tire chains<\/div>\n
\u2015 With an emergency spare tire<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n<\/dd>\n<\/dl>\n



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Structural View<\/p>\n

Vehicle front side<\/p>\n\n\n\n
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am3zzn00009805<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Vehicle rear side<\/p>\n\n\n\n
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am3zzn00009754<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Warning light and indicator light<\/p>\n\n\n\n
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am3zzn00007921<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n



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System Wiring Diagram<\/p>\n\n\n\n
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am3zzn00009755<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n



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Construction<\/p>\n

\u2022 The DSC system consists of the following parts. While each part has a regular function in other systems, only the function during DSC control is listed.<\/div>\n

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Part name<\/p>\n<\/th>\n

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Function<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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DSC HU\/CM<\/div>\n<\/td>\n
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\u2022 Makes calculations using input signals from each sensor, controls brake fluid pressure to each wheel, and actuates function (ABS, EBD, TCS, DSC, brake assist control, Hill Launch Assist (HLA), and Secondary Collision Reduction *<\/sup>) of the DSC system.<\/div>\n
\u2022 Outputs the torque reduction request signal, wheel speed signal, and DSC system warning control data via CAN lines.<\/div>\n
\u2022 Controls the on-board diagnostic system and fail-safe function when there is a malfunction in the DSC system.<\/div>\n<\/td>\n<\/tr>\n
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PCM<\/div>\n<\/td>\n
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\u2022 Controls engine output based on signals from the DSC HU\/CM.<\/div>\n
\u2022 Transmits engine speed, engine torque, brake switch status, and accelerator pedal position data via CAN communication to the DSC HU\/CM.<\/div>\n
\u2022 Transmits gear\/shift lever position data via CAN communication to the DSC HU\/CM. (MTX)<\/div>\n<\/td>\n<\/tr>\n
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TCM (ATX)<\/div>\n<\/td>\n
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\u2022 Transmits gear\/selector lever position data via CAN communication to the DSC HU\/CM.<\/div>\n<\/td>\n<\/tr>\n
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EPS CM<\/div>\n<\/td>\n
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\u2022 Transmits steering angle data via CAN communication to the DSC HU\/CM.<\/div>\n<\/td>\n<\/tr>\n
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SAS control module<\/div>\n<\/td>\n
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\u2022 Detects the lateral-G (vehicle lateral acceleration speed), the yaw rate (vehicle turning angle speed), and the longitudinal-G (vehicle longitudinal acceleration speed) via CAN communication to the DSC HU\/CM.<\/div>\n<\/td>\n<\/tr>\n
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Brake system warning light<\/div>\n<\/td>\n
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\u2022 Notifies the driver that the parking brake is applied.<\/div>\n
\u2022 Notifies the driver of an ABS or EBD malfunction.<\/div>\n<\/td>\n<\/tr>\n
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ABS warning light<\/div>\n<\/td>\n
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\u2022 Notifies the driver of an ABS malfunction.<\/div>\n<\/td>\n<\/tr>\n
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TCS\/DSC indicator light<\/div>\n<\/td>\n
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\u2022 Informs the driver that the TCS is operating (drive wheel is spinning).<\/div>\n
\u2022 Informs the driver that the DSC is operating (vehicle sideslip occurring).<\/div>\n
\u2022 Informs the driver of DSC system malfunction.<\/div>\n<\/td>\n<\/tr>\n
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DSC OFF switch<\/div>\n<\/td>\n
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\u2022 Transmits driver intention to release TCS\/DSC control to the DSC HU\/CM.<\/div>\n<\/td>\n<\/tr>\n
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DSC OFF indicator light<\/div>\n<\/td>\n
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\u2022 Informs driver that TCS\/DSC control has been released due to DSC OFF switch operation.<\/div>\n<\/td>\n<\/tr>\n
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ABS wheel-speed sensor<\/div>\n<\/td>\n
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\u2022 Detects the rotation condition of each wheel and transmits it to the DSC HU\/CM.<\/div>\n<\/td>\n<\/tr>\n
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Brake fluid pressure sensor (Built into DSC HU\/CM)<\/div>\n<\/td>\n
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\u2022 Detects the fluid pressure from the master cylinder.<\/div>\n<\/td>\n<\/tr>\n
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Brake fluid level sensor (Build into brake fluid reserve tank)<\/div>\n<\/td>\n
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\u2022 Detects the brake fluid level in the brake fluid reserve tank and transmits it to the DSC HU\/CM<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
*:Vehicles with Mazda radar cruise control (MRCC) system<\/div>\n<\/div>\n
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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

DYNAMIC STABILITY CONTROL (DSC) [(US)] SM2334033 id0415001046x1 Outline \u2022 Electrical brake assist control has been adopted, improving safety. \u2022 The DSC HU\/CM, integrating both the Hydraulic Unit (HU) and Control Module (CM), has been adopted, resulting in a size and weight reduction. \u2022 An enhanced malfunction diagnosis system, used with the Mazda Modular Diagnostic System (M-MDS), improving serviceability. \u2022 Serviceability improved by the automatic configuration function. \u2022 Receives the lateral-G, longitudinal-G, and yaw rate signals […]<\/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-8637","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8637","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=8637"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8637\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=8637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}