Question about 2002 Volkswagen Passat

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Rear Windsreen wiper motor runs continuousley in

Rear Windsreen wiper motor runs continuosley in all positions of the column control.Only stops when ignition off or fuse removed

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The "stop" function is in the motor of the wiper...remove the fuse and call it a day...You shouldn't use it anyway the rear glass is "soft" in these cars and the wiper action will damage the glass over time.
Sorry :o(

Posted on Jun 14, 2009

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I have same problem with my Megane Classic '02. Front wipers working even if the engine isnt running. Wiper switch and motor both were changed but the problem still exist so the last thing to check is relay. Try it as well, maybe this will help. Good luck. :)

Posted on Nov 13, 2011

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Posted on Jan 02, 2017

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2002 trialblazer rear window wiper inop. changed switch and motor. no power to motor. cannot find relay nor fuse


There are something's involved that you are not aware of , or familiar with . Electronic control modules .
Rear Wiper/Washer System Controls
• Body control module (BCM)
• Liftgate control module (LGM)
• Rear wiper/washer switch
Do you know what a serial data network is ?
Rear Wiper/Washer System Operation
The rear window wiper/washer switch is an input to the BCM. The requested rear wiper mode is sent to the liftgate control module (LGM) by the BCM as a message on the serial data circuit, and the rear window wiper motor is controlled by the LGM. The switch power circuit to the rear wiper/washer switch is a 12-volt reference supplied by the BCM during ignition on, accessory or RAP power modes. The rear wiper/washer switch is a series of resistors and the switch position is determined by the voltage of the rear wiper/washer switch signal circuit to the BCM. The rear wiper/washer switch has continuity at all times and the BCM expects a rear wiper/washer switch signal voltage in all switch positions including OFF. The rear wiper motor is supplied battery positive voltage and ground. The LGM controls rear wiper motor operation through the rear wiper motor control circuit. The rear wiper motor control circuit is supplied a battery positive reference voltage by the rear wiper motor module and is pulse width modulated to ground by the LGM. The duty cycle of the pulse width modulation determines the rear wiper motor operating mode. The liftglass and liftgate ajar switches are inputs to the LGM and must be in an inactive state in order for rear wiper washer system operation to be enabled. When an ajar switch is active the LGM suspends wiper motor operation directly and sends the ajar switch status messages over the serial data circuit enabling the BCM to suspend washer pump operation. The rear window washer pump is controlled by the BCM through the rear washer relay. Battery positive voltage is supplied to the coil and switch sides of the rear washer relay. When the rear window wash request is active the BCM energizes the relay by grounding the relay coil through the rear washer relay control circuit. When the relay is energized battery positive voltage to the relay switch is supplied to the washer pump control circuit.

Your best bet , take it to a qualified repair shop and have it checked for DTC'S - diagnostic trouble codes .
DTC B1017 or B3970
The rear wiper motor is supplied battery positive voltage and ground. The liftgate control module controls rear wiper motor operation through the rear wiper motor control circuit. The rear wiper motor control circuit is supplied a battery positive reference voltage by the rear wiper motor module and is pulse width modulated to ground by the liftgate control module. The duty cycle of the pulse width modulation determines the rear wiper motor operating mode.
DTC B3799

2
Turn the ignition ON.
Operate the rear wiper switch through all the switch positions.
Does the rear window wiper operate normally?
--
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 3
3
Install a scan tool.
Display the liftgate control module data list.
Observe the following parameters while operating the respective switches. Refer to Scan Tool Data List for typical values.
• Liftgate Ajar Switch
• Liftglass Ajar Switch
Did the scan tool indicate the correct switch positions?
--
Go to Step 4
Go to Courtesy Lamps Inoperative in Lighting Systems
4
Observe the requested rear wiper parameter in LGM data list.
Operate the rear wiper switch through all the switch positions.
Does the scan tool indicate the correct requested rear wiper parameter in relation to the switch position?
--
Go to Step 5
Go to Step 6

Feb 06, 2017 | 2002 Chevrolet TrailBlazer

1 Answer

How do i remove the boot trim on a rover 25


You don't remove the boot trim.
The pipe runs through the black plastic rubber tubing, top left of the boot hatch, and then runs to the base of the wiper.
Pull off the black plastic cover, at the bottom of the wiper arm, and try the rear washer again.
If nothing comes out, then the prob is most likely is that the water tube has snapped, inside the black rubber tubing at the top of the hatch.
Good luck!

Feb 08, 2013 | 2004 Rover 25 1.4

1 Answer

Windsreen wipers wont park correctly


I have the same problem I have changed the swich and the motor still no fix

Apr 19, 2012 | Renault Cars & Trucks

2 Answers

My wipers only operate in the fast mode. Any other position I put the wiper switch in, after I had them in fast speed, they just stop in the spot they were at when the switch was moved. The wiper motor...


There is a circuit board under the cover on the motor, they are well known to fail, just replace the circuit board, you can buy it from GM or most any parts store, tell them you want a Wiper Motor Circuit Board. If you are handy with a soldering iron, you can look the board over closely and re solder the cracked solder joints.

Dec 22, 2010 | 1997 Chevrolet K1500

1 Answer

Rear wiper motor does not park any more. the wiper runs in continuous mode fine, but stops immediately upon switch to off position. in INT mode, the wiper does not go through a full cycle before stoping in...


a broken wiper controller...
(its in a box the size of a relay under the dash) costs about £15 - $20 tops.
pointless to try repair the controller- most car shops should stock the part, just phone around. .

Jan 18, 2010 | 2005 Subaru Outback

2 Answers

The rear wiper on my '99 model exped isnt working ,ford global says its the motor and it will cost me P13k . any one who can help me find a mechanic do some repair on this?


what is P13K?

check the fuse first. dealer can hook up NGS Tester and get fault codes to see what is wrong.

Principles of Operation
NOTE: The generic electronic module (GEM) will not activate the rear wiper system if either the liftgate or the liftgate glass is ajar. If either the liftgate or the liftgate glass becomes ajar while the rear wiper is in operation, the GEM will park the rear wiper motor.
There are two distinct modes of wiper operation:
  • Off Mode: In this mode, there is no rear wiper activity, and the wiper motor will be in the PARK position.
  • Interval Mode: This mode is selected when the rear wiper switch is in either the Interval 1 or 2 position. When this mode is selected, the rear wiper motor is driven up onto the glass by activating the rear wiper UP relay. When the wiper motor HIGH/LOW/PARK position input reaches the high position, the UP relay is deactivated and the DOWN relay is activated to reverse the wiper motor direction. When the wiper motor reaches the LOW position, as determined by the HIGH/LOW/PARK position input, the GEM deactivates the DOWN relay and will begin a new wiper cycle 1 to 10 seconds later, depending on the interval position selected.
To engage the rear window washer, rotate the rear window washer selector downward to the WASH position. The rear window wiper will run as long as the WASH position is selected. When the rear window washer selector returns to the OFF, INT 1 or INT 2 position, the washer will stop immediately, but the rear window wiper will continue for two to three sweeps and then return to its previous mode of operation.
The low washer fluid indicator chime warns that the washer fluid level is low. The low washer fluid indicator chime is a single tone with a duration of one second. The chime will sound when the low washer fluid indicator is initially activated.
The low washer fluid indicator warns that the fluid level in the washer reservoir is low. The low washer fluid indicator will illuminate when the washer fluid level is low and the ignition switch is in the RUN position.
The low washer fluid indicator will deactivate when the washer fluid reservoir is filled and the ignition switch has been cycled from RUN to OFF, then to RUN.
Inspection and Verification
  1. The wiper/washer system is a generic electronic module (GEM) controlled system; refer to Section 419-10 .
  1. Verify the customer concern by operating the wiper/washer system.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Hoses to windshield washer pump
  • Wiper linkage
  • Fuses 6 (5A), 8 (5A), 15 (5A), and 20 (5A)
  • Wiring harness
  • Loose or corroded connector(s)
  • Relays
  • Motors
  • Multifunction switch
  • Washer fluid level switch


----------------------------------------
  • The wipers are inoperative — rear
  • Fuses 6 (5A), 8 (5A), 15 (5A), and 20 (5A).
  • Circuitry.
  • GEM.
  • Multifunction switch (wiper/washer switch).
  • Rear wiper up relay.
  • Rear wiper down relay.
  • Rear wiper motor.

May 12, 2009 | 1999 Ford Expedition

1 Answer

Window wiper motor can be heard very loudly


use rainex on the windsreen and remove the cowling in front of the front window and WD40 the wiper arm assembly and linkage.  Also change the wiper refills. 

Mar 30, 2009 | 1996 Dodge Caravan

2 Answers

Rear wiper stopped working


my 2004 expedition had same problem, if you take apart the shaft that goes thru the glass it will be full of dirt, clean ,lubricate and reinstall, you may have to replace the O-ring on the shaft. a 20 minute job, very easy fix

Feb 25, 2009 | 2004 Ford Expedition

1 Answer

99 Nissan Quest real wiper runs continually when ignition is on


Principles of Operation
Operation of the windshield wiper and washer is controlled by the front wiper/washer amplifier assembly. The front wiper/washer amplifier input comes from the multifunction switch by means of a voltage divider circuit. A constant voltage is applied to the multifunction switch by the front wiper/washer amplifier. When the multifunction switch is moved into the LO, HI, or intermittent position, the voltage is directed through a series of resistors. This results in various voltages being returned to the module for each switch position. The module then grounds the appropriate circuit, based on the voltage signal received back from the multifunction switch. This causes the wipers to run intermittently, or at the appropriate speed. Voltage is supplied to the wiper motor by the CJB fuse F46 (20A).
When the multifunction switch wash button is depressed, it bypasses all of the resistors returning a full voltage signal to the module. The module then grounds the appropriate circuits to operate the windshield washer pump for as long as the switch is depressed. The windshield wiper speed is dependent on the position of the windshield wiper/washer switch.
Voltage for the windshield washer pump is also provided by CJB fuse F46 (20A).
Operation of the rear wiper and washer is controlled by the rear wiper/washer switch.
Voltage is supplied to the rear window wiper motor by the fuse junction panel fuse F44 (10A).
The rear window wiper motor ground is made or broken by the rear wiper/washer switch. When the rear wiper/washer switch is moved into the WIPER position, it grounds the rear window wiper motor circuit, causing the rear window wiper motor to run once every 10-15 seconds.
Voltage to the rear washer pump motor is also supplied by the CJB fuse F44 (10A). The rear washer pump is directly controlled by the rear wiper/washer switch which makes or breaks the ground for the washer pump motor, depending upon its position.
If the vehicle is equipped with a movable liftgate glass, a liftgate glass switch is utilized to prevent rear window wiper operation when the liftgate glass is open. This same switch also causes the rear window wiper to drop down approximately three inches when the liftgate glass latch is released.
------------------------------------------------------------------------------------------
  • The wipers stay on continuously — rear wiper
  • Circuit.
  • Rear wiper/washer switch.
  • GO to Pinpoint Test L .


---------------------------------------------------------------------------------------------
Measure the resistance between rear wiper/washer switch C288 pin 6, component side and rear wiper/washer switch C288 pin 2, component side.
  • Is the resistance less than 5 ohms with the switch depressed, and greater than 10,000 ohms with it released?
sxv~us~en~file=arrow.gif~gen~ref.gifYes GO to L2 .
sxv~us~en~file=arrow.gif~gen~ref.gifNo INSTALL a new rear wiper/washer switch. TEST the system for normal operation.

Measure the resistance between rear wiper/washer switch C288 pin 6, circuit WB08 (BU/YE), harness side and ground.
  • Is the resistance greater than 10,000 ohms?
sxv~us~en~file=arrow.gif~gen~ref.gifYes INSTALL a new rear wiper /washer switch. TEST the system for normal operation.
sxv~us~en~file=arrow.gif~gen~ref.gifNo REPAIR circuit WB08 (BU/YE). TEST the system for normal operation.

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Dec 08, 2008 | 1999 Nissan Quest

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