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[Rozwiązano] Dodge - 7.6V na pompce spryskiwacza zamiast 12V

10 Kwi 2019 00:47 375 15
  • Poziom 12  
    Witam.

    Jak w temacie nie działa pompka spryskiwacza na szybe w Dodge 2012. Dobralem sie do silniczka, silniczek jest sprawny - wlacza sie jak podepne pod 12V. Jednak zauwazylem, ze gdy ciagne za manetke od spryskiwaczy to na kostce pojawia sie jedynie 7.6V. Jak to mozliwe? jakies pomysly?

    Dodam, ze auto jest powypadkowe i mam ten problem od samego początku, wiec mozliwe ze ktos cos zle podłaczył jak skladali auto. Z tym ze zastanawiam sie jak to mozliwe ze prąd sie pojawia po pociagnieciu manetki ale za niski.
  • PCBway
  • Poziom 12  
    Slabą masę... sprawdzilem dzis +12 z tej wtyczki łacząc z inną masą i podaje ciagle 7.6V. Sprawdzilem tez mase z tej wtyczki z innym plusem i tez podaje +12V czyli masa jest OK.
  • PCBway
  • Poziom 42  
    Nie pozostaje Ci nic innego jak prześledzenie tego sygnału. Spróbuj najpierw wypiąć kostkę i zbadać napięcie bez pompki.
  • Poziom 12  
    Wszystkie pomairy robilem bez wpiętej pompki.

    Przesledzenie kabli to ciezka sprawa... o ile rozumiem sytuacje ze mamy przerwe i na kablu sie nie pojawia nic, to nie rozumiem jak +12V moze zamienic sie w +7.6V
  • Poziom 12  
    Popatrzylem po wiazkach i jakby mial teraz to wszystko otwierac to gruba rzeźba. Mam pomysl taki aby wstawic w tym miejscu przekaznik i tymi 7V załączać przekaznik ktory przerzuci obwód +12 na pompke. Z tym ze pytanie:gdzie kupic przekaznik ktory zostanie obsłuzony przez 7V prąd?
  • Poziom 12  
    bledami w sterowniku sie nie martwie, podpowie ktos jak z tym przekaźnikiem na 7V?
    Ewentualnie co innego zrobic.
  • Poziom 34  
    Przekaźniki masz na 5V, nie spotkałem się z wersją na 7V.
    Moim zdaniem problem może leżeć w przekaźniku co zasila pompkę spryskiwacza. Nie napisałeś jaki to Dodge, podejrzewam, że tam jest problem.
  • Poziom 12  
    Piachu to jest dodge charger 2012. Niestety nie znalazlem przekaźnika od pompki spryskiwaczy a jedynie jeden bezpiecznik wspolny z oswietleniem wnetrza okreslony jako: 30A int lighting/washer pump. Niestety po wyjęciu bezpiecznika oswietlenie w kabinie gaśnie a na złaczu pompki po pociagnieciu manetką pojawia sie 7V wiec nie wyglada ze to jest ten bezpiecznik.
  • Pomocny post
    Poziom 34  
    Coś własnie o Twoim problemie jest napisane tutaj.
    Jest nawet schemat instalacji podany, może Cię nakieruje.
  • Poziom 12  
    Niestety ja mam generacje 2011-2014 a oni prawdopodobnie o wczesniejszej dyskutuja bo pokrycie bezpiecznikami nie pasuje.

    Dodano po 54 [minuty]:

    Dobra Panowie zrąbałem. Tam te +7-8V pojawia sie po przekreceniu stacyjki. Uruchamianie spryskiwaczy tutaj nic nie zmienia. Wiec problemem jest faktycznie jakas przerwa. Znalazlem przekaznik od wycieraczek ale tam nie ma "przejscia" na zadnym styku do tego obwodu. Potrzebuje schemat zeby wiedziec gdzie szukac dalej. Szukam dalej ale na slepo.
  • Pomocny post
    Poziom 34  
    To właśnie ze schematem będzie ciężko.
    Najlepiej jakbyś dorwał Workshop Manual do tego modelu - widziałem, że są na e-bay. W sieci znajdziesz ale do generacji wcześniej.
  • Poziom 12  
    Dobra Panowie zrąbałem podwójnie. Wyczytlem instrukcje tych wycieraczek na forum chargera i okazuje sie ze w tym aucie jest rozroznione przecieranie wycieraczek od ich zraszania. W poprzednim aucie takiej funkcji nie mialem. Zamiast przekracac wajche trzeba ja wcisnac w kierunku do srodka kolumny. Dwa dni glowkowania, kawalek auta rozebrany przez czesciowo niewiedze a czesciowo glupote. Wszystko sprawne tylko zly guzik naciskalem-LOL

    Dzieki wszystkim za pomoc a dla potomnych wklejam instruckje wycieraczek.
    Cytat:


    The wiper and washer system is designed to provide the vehicle operator with a convenient, safe and reliable means of maintaining visibility through the windshield glass. The various components of this system are designed to convert electrical energy produced by the vehicle electrical system into the mechanical action of the wiper blades to wipe the outside surface of the glass, as well as into the hydraulic action of the washer system to apply washer fluid stored in an on-board reservoir to the area of the glass to be wiped. When combined, these components provide the means to effectively maintain clear visibility for the vehicle operator by removing excess accumulations of rain, snow, bugs, mud or other minor debris from the outer surface of the windshield glass that might be encountered while driving the vehicle under numerous types of inclement operating conditions.

    The vehicle operator initiates all wiper and washer system functions with the control knob (1) on the control stalk (2) of the multifunction switch that extends from the left side of the steering column, just below the steering wheel. Rotating the control knob on the end of the control stalk, selects the Off, Delay (except with the optional automatic or rain-sensing wiper system), Automatic (A ) (with the optional automatic or rain-sensing wiper system only), Low or High wiper system operating modes. In the Delay mode, the control knob also allows the vehicle operator to select from one of four intermittent wipe Delay intervals. With the Automatic wiper system, the control knob allows the vehicle operator to select from one of four automatic wiper sensitivity levels.

    Depressing the control knob towards the steering column actuates the momentary washer system switch, which selects the Wash and Wipe-After-Wash modes depending upon when and how long the switch is held closed. Rotating the control knob downward actuates another momentary switch and selects the Mist mode, which cycles the wiper blades for as long as the switch is held closed then completes the current cycle and parks the blades at the base of the windshield after the control knob is released.

    The multifunction switch provides hard wired analog and digital inputs to the microcontroller internal to the Steering Column Control Module (SCCM) for all of the wiper and washer system functions. The SCCM microcontroller then sends electronic wiper switch and washer switch status messages to the Body Control Module (BCM) (also known as the Common Body Controller/CBC) over the Controller Area Network (CAN) data bus requesting the appropriate wiper and washer system operating modes.

    Wiper and washer system operation is completely controlled by the SCCM and BCM logic circuits, and that logic will only allow these systems to operate when the status of the ignition switch is Accessory or On. The BCM uses intelligent, high current, self-protected high side switches to control wiper relays integral to the Printed Circuit Board (PCB) within the front Power Distribution Center (PDC). The relays control wiper system operation by energizing or de-energizing the wiper motor low and high speed brushes. The multifunction switch circuitry receives battery current and a clean ground output from the SCCM microcontroller, then provides analog and digital inputs to the microcontroller to indicate the selected wiper and washer system mode.

    The hard wired circuits and components of the wiper and washer system may be diagnosed using conventional diagnostic tools and procedures. Refer to the appropriate wiring information. However, conventional diagnostic methods will not prove conclusive in the diagnosis of the electronic controls and communication between other modules and devices that provide some features of the wiper and washer system. The most reliable, efficient and accurate means to diagnose the wiper and washer system or the electronic controls and communication related to wiper and washer system operation requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.

    OPERATING MODES

    Following are paragraphs that briefly describe the operation of each of the wiper and washer system operating modes.

    Automatic Wipe Mode - If the vehicle is equipped with the optional automatic (rain sensing) wiper system and it is enabled, when the control knob on the control stalk of the multifunction switch is moved to one of the four sensitivity positions, the SCCM microcontroller sends an electronic wiper switch sensitivity message to the BCM over the CAN data bus. The BCM, which is also a Local Interface Network (LIN) data bus master node, relays the wiper switch sensitivity message to the Light Rain Sensor Module (LRSM) (also known as the Light Sensor Module/LSM or Rain Sensor Module/RSM), which is a LIN slave node, over the LIN data bus.
    The LRSM monitors an area within the wipe pattern of the windshield glass for the accumulation of moisture. Based upon internal programming and the selected sensitivity level, when sufficient moisture has accumulated the LRSM sends the appropriate electronic wipe command messages back to the BCM over the LIN data bus. Then the BCM operates the wiper system accordingly.

    As the sensitivity level is set higher, the LRSM is more sensitive to moisture accumulation and will send wipe commands more frequently. The third sensitivity position of the control knob is designed to provide optimal wiper performance for most typical driving requirements. The BCM logic is also programmed to provide an immediate wipe cycle each time the control knob on the control stalk of the multifunction switch is moved from the Off position to one of the four sensitivity positions, and another immediate wipe cycle each time the control knob is moved from a lower sensitivity position to a higher sensitivity position.

    Also, if a vehicle is equipped with automatic wipers but the feature has been disabled using the Customer Programmable Features function of the Settings menu, when any sensitivity position is selected with the control knob the system will respond in the same manner as in the intermittent wipe mode.

    The automatic wiper system also has features designed to protect the mechanical components of the wiper system, and will not allow automatic wiper operation under the following conditions:

    Low Ambient Temperature - When the ambient temperature is below 0°C (32°F), the automatic wipers will not operate during a new ignition cycle until the wiper switch has been moved to a different position than that which was selected at the moment the current ignition cycle began, or until a vehicle speed input is detected.

    Transmission In Neutral - When the transmission gear selector is placed in the Neutral (N ) position while the status of the ignition switch is On, the automatic wipers will not operate during the current ignition cycle until the wiper switch has been moved to a different position than that which was selected at the moment the Neutral position was selected, until the vehicle speed is greater than 8 kilometers-per-hour (5 miles-per-hour) or until the transmission gear selector is moved out of the Neutral position, whichever occurs first.

    Continuous Wipe Mode - When the Low position of the control knob on the control stalk of the multifunction switch is selected the SCCM microcontroller sends an electronic wiper switch low status message to the BCM over the CAN data bus. The BCM then provides the appropriate outputs to the wiper on-off and wiper high-low relays within the front PDC to direct battery current to the low speed brush of the wiper motor, causing the wipers to cycle at low speed.
    When the High position of the control knob is selected the SCCM microcontroller sends an electronic wiper switch high status message to the BCM. The BCM then provides the appropriate outputs to the wiper on-off and wiper high-low relays within the front PDC to direct battery current to the high speed brush of the wiper motor, causing the wipers to cycle at high speed.

    When the Off position of the multifunction switch control knob is selected, the SCCM microcontroller sends an electronic wiper switch off status message to the BCM, then one of two events will occur. The event that occurs depends upon the position of the wiper blades on the windshield at the moment that the control knob Off position is selected.

    If the wiper blades are in the down position on the windshield when the Off position is selected, the park switch that is integral to the wiper motor is closed to ground, which provides a hard wired park switch sense input to the BCM. The BCM provides the appropriate outputs to the wiper on-off and wiper high-low relays within the front PDC to de-energize the wiper motor and the wiper motor ceases to operate.

    If the wiper blades are not in the down position on the windshield at the moment the Off position is selected, the park switch is an open circuit and the BCM provides the appropriate outputs to the wiper on-off and wiper high-low relays within the front PDC to continue running the wiper motor at low speed until the wiper blades are in the down position on the windshield and the park switch input to the BCM is again closed to ground.

    Headlamps On With Wipers Mode - The circuitry and programming of the BCM provides an automatic Headlamps On With Wipers mode for vehicles equipped with the optional automatic headlamps. This is a Customer Programmable Feature that can be enabled or disabled through the Settings menu. If this feature is enabled, when the headlamp switch is in the Automatic (A ) position, the headlamps will turn On automatically whenever the windshield wipers are turned On; and, if the headlamps were turned On automatically when the wipers were turned On, they will also turn Off automatically when the wipers are turned Off.
    If this feature is enabled in vehicles equipped with the optional automatic (rain sensing) wiper feature, when the automatic wiper mode is selected the headlamps will turn On automatically only after the wipers complete three automatic wipe cycles within about 30 seconds, and they will turn Off automatically after 3 minutes elapse without any automatic wipe cycles unless ambient light conditions dictate otherwise.

    Intermittent Wipe Mode - The following applies to vehicles not equipped with the optional automatic (rain sensing) wiper system, or to vehicles equipped with the automatic (rain sensing) wiper system that have been disabled using the Customer Programmable Features function of the Settings menu.
    When the control knob on the control stalk of the multifunction switch is moved to one of the four Delay (Intermittent) interval positions the SCCM microcontroller sends an electronic wiper switch delay interval status message to the BCM. Then the BCM electronic intermittent wipe logic circuit responds by calculating the correct length of time between wiper sweeps based upon the selected delay interval input.

    The BCM monitors the changing state of the wiper motor park switch through a hard wired park switch sense input. This input allows the BCM to determine the proper intervals at which to provide the appropriate outputs to the wiper on-off and high-low relays on the PCB within the front PDC to energize and de-energize the wiper motor low speed brush to operate the wiper motor intermittently for one low speed cycle at a time.

    The BCM logic is also programmed to provide vehicle speed sensitivity to the selected intermittent wipe delay intervals. In order to provide this feature, the BCM monitors electronic vehicle speed messages from the Controller Antilock Brake (CAB) (also known as the Antilock Brake Module/ABM, the Antilock Brake System/ABS module or the Electronic Stability Control/ESC module) and doubles the selected delay interval whenever the vehicle speed is about 16 kilometers-per-hour (10 miles-per-hour) or less.

    Mist Wipe Mode - When the control knob of the multifunction switch is rotated downward to the momentary Mist position, the SCCM microcontroller sends an electronic wiper mist mode status message to the BCM. The BCM then provides the appropriate outputs to the wiper on-off and wiper high-low relays on the PCB within the front PDC to energize the low speed brush of the wiper motor for as long as the switch is held closed, then de-energize the motor when the state of the Mist switch changes to open, parking the wiper blades near the base of the windshield. The BCM can operate the wiper motor in this mode for only one low speed cycle at a time, or for an indefinite number of sequential low speed cycles, depending upon how long the Mist switch is held closed.
    Wash Mode - When the control knob of the multifunction switch is depressed toward the steering column to the momentary Wash position for more than about one-half second with the wiper system operating, the SCCM microcontroller sends an electronic washer switch status message to the BCM. Then the BCM directs battery current and ground to the washer pump/motor. This will cause the washer pump/motor to be energized for as long as the switch is held closed (up to approximately 10 seconds) and to be de-energized when the control knob is released.
    When the control knob is depressed to the momentary Wash position while the wiper system is operating in one of the Delay interval (or sensitivity level with automatic or rain sensing wipers) positions, the washer pump/motor operation is the same. However, the BCM logic also overrides the selected delay interval or sensitivity level and operates the wiper motor in a continuous low speed mode for as long as the control knob is held in the momentary Wash position, then reverts to the selected delay interval or sensitivity level several wipe cycles after the control knob is released. If the Wash switch is held closed for more than about 10 seconds, the BCM will suspend washer pump/motor operation until the control knob is released for about 2 seconds, then is cycled back to the Wash position.

    Wipe-After-Wash Mode - When the control knob of the multifunction switch is depressed toward the steering column to the momentary Wash position for more than about one-half second while the wiper system is not operating, the SCCM microcontroller sends an electronic washer switch status message to the BCM. Then the BCM directs battery current and ground to operate the washer pump/motor and provides the appropriate outputs to the wiper on-off and wiper high-low relays on the PCB within the front PDC to energize the wiper motor in a continuous low speed mode for as long as the switch is held closed (up to approximately 10 seconds). When the control knob is released, the BCM de-energizes the washer pump/motor immediately, but allows the wiper motor to operate for two or three additional wipe cycles before it de-energizes the wiper motor and parks the wiper blades near the base of the windshield.
    If the control knob is held inward for more than about 10 seconds, the BCM will suspend washer pump/motor operation until the knob is released for about 2 seconds and then is cycled back to the Wash position; however, the wipers will continue to operate for as long as the switch is held closed. The BCM monitors the changing state of the wiper motor park switch through a hard wired wiper park switch sense circuit input. This input allows the BCM to count the number of wipe cycles that occur after the control knob is released, and to determine the proper interval at which to de-energize the wiper motor to complete the Wipe-After-Wash mode cycle.