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Hiace Wiper Motor Intermittent and dragging

Maybe it's just the contacts, but my front wiper motor stalls and always cycles slower than it should. I want to replace it, any tips on getting the dashboard out to get at it?

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Not the dash. You u can pull the vent system off under the wiper shaft. You can than get to wiper motor from there.

Posted on Apr 15, 2009

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Posted on Jan 02, 2017

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I have a 2009 gmc sierra, where is the wiper relay location.


The PCB wiper relays are soldered directly to circuit board inside the under hood fuse box.
The windshield wiper/washer switch signal circuits are inputs to the body control module (BCM) and the BCM controls wiper motor low speed operation, washer pump and high speed operation. The windshield wiper/washer switch is provided a low reference from the BCM and each of the switch signal circuits is supplied 12 volts through a resistor and monitored within the BCM. During LOW or INTERMITTENT operation the wiper switch low signal circuit is closed to the low reference circuit through a series of resistors within the switch assembly and the signal circuit voltage monitored by the BCM will depend on the switch contact location to the resistor assembly. During HIGH or WASH operation the high and wash switch signal circuits are closed directly to the low reference circuit within the switch assembly and nearly all the signal circuit voltage will be dropped across the BCM resistors. The BCM controls the wiper motor through the WIPER CONTROL PCB Relay and the WIPER SPEED PCB Relay. During any wiper motor function that uses low speed the BCM supplies the voltage to energize the WIPER CONTROL PCB Relay and battery voltage will be supplied from the WIPER CONTROL PCB Relay through the de-energized WIPER SPEED PCB Relay to the wiper motor low speed control circuit. During high speed wiper motor operation the WIPER CONTROL PCB Relay is energized as in low speed and the BCM provides a ground to energize the WIPER SPEED PCB Relay and the battery voltage is supplied to the wiper motor high speed control circuit. Wiper motor park operation is controlled by the BCM using an input from the park switch within the wiper motor assembly. The BCM supplies the park switch signal circuit 12 volts through a resistor then monitors the circuit. Whenever the wiper motor is out of the park position the park switch signal circuit is closed to ground and nearly all the signal circuit voltage will be dropped across the BCM resistor. When the wiper switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the BCM will continue to operate the motor until the wipers reach the park position. If the ignition is turned OFF while the wipers are in mid-cycle, the wipers will stop immediately where they are and the BCM will park the wipers the next time the ignition is cycled ON.

DTC B3715 02: Front Wiper Relay Drive Circuit Short to Ground
DTC B3875 00: Wiper High Speed Relay Circuit
DTC B3922 00: Front Wiper Function Select Circuit
Have it checked for DTC'S - diagnostic trouble codes .

The body control module (BCM) controls the wiper motor based on input from the windshield wiper washer switch. The BCM monitors the wiper washer switch through three separate signal circuits and a ground circuit. The windshield wiper switch high signal circuit is used to determine high speed wiper operation, the windshield wiper switch low signal is used to determine low speed, intermittent, and mist operation through the use of a resistor ladder, and windshield washer switch signal circuit is used to determine washer operation.
The BCM controls the windshield wiper motor through two output controls, controlling two relays which determine the desired wiper speed, high or low.
Your best bet , take your vehicle to a qualified repair shop or dealer . Hooking up a factory scan tool to see what the wiper switch inputs to the BCM are correct and outputs to relays are good .

Feb 11, 2017 | GMC Cars & Trucks

1 Answer

2005 ford escape wiper and washer has no power. cant hear it engage when on but was working a week ago. how can i troubleshoot it and find the fuse


Hi Justin , Do you know what a SJB - smart junction box is and where it is located on you escape ?
Windshield Wiper Operation
The smart junction box (SJB) supplies power to the multifunction switch from the SJB fuse 25 (20A) when the ignition switch is in the ON or ACC position. The multifunction switch supplies power to the windshield wiper motor for the HIGH or LOW/INTERMITTENT input, depending on the multifunction switch position selected. The SJB also supplies power directly to the windshield wiper motor from fuse 25 (20A) when the ignition switch is in the ON or ACC position for RUN/PARK operation. When the multifunction switch is in the LOW, HIGH, or INTERMITTENT position, power is supplied to the windshield wiper motor, which moves the wipers off the park position. Once the wipers are off the park position, an internal switch in the windshield wiper motor switches to the run/park position which directs power to the wiper switch then back to the wiper motor. This maintains power to the windshield wiper motor to complete the wipe cycle. When the cycle is complete, the internal switch in the windshield wiper motor switches back to the park position. If the multifunction switch is in the LOW or HIGH position, power is supplied from the multifunction switch and another wipe cycle starts. If the multifunction switch is in the INTERMITTENT position, the windshield wipers remain parked until the internal relay in the multifunction switch supplies power to the windshield wiper motor. The internal relay supplies power after a time delay that is determined by the 1 of 9 intermittent switch settings.

Jan 08, 2017 | 2005 Ford Escape

1 Answer

Why is my windshield wipers running in the off position, it's like they are running in the intermittent position, but it's in the off position.


When the windshield wiper / washer switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the wiper motor module will continue to operate the wiper motor until the wipers reach the park position. If the ignition is turned off while the wipers are in mid-cycle, the wipers will stop immediately where they are. The wipers will park the next time the ignition is cycled to the ON position.

Schematic Reference: Wiper/Washer Schematics


1

Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections?
Go to Step 2
Go to Symptoms - Wiper/Washer Systems

2

  1. Turn the ignition ON.
  2. Turn the windshield wiper/washer switch OFF.
Are the windshield wipers always on?
Go to Step 3
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

3

Disconnect the windshield wiper/washer switch connector.
Are the windshield wipers always on?
Go to Step 4 if yes
Go to Step 7 if no

4

  1. Disconnect the windshield wiper motor connector.
  2. Test the windshield wiper switch signal 1 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 5

5

Test the windshield wiper switch signal 2 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 6

6

Test the windshield wiper motor high speed circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 9

7

Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 8

8

Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column.
Is the repair complete?
Go to Step 11
--

9

Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 10

10

Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement .
Is the repair complete?
Go to Step 11
--

11

Operate the system in order to verify the repair.
Did you correct the condition?
The Wiper / Washer System consists of the following components:
?€¢
Windshield wiper / washer switch


?€¢
Windshield wiper system module / motor


?€¢
Windshield washer fluid pump


?€¢
Windshield washer fluid level switch


?€¢
Instrument panel cluster (IPC)


?€¢
ACC 15-amp fuse


?€¢
WSW 30-amp fuse

Jan 04, 2016 | 2002 Pontiac Bonneville

2 Answers

I have a 1998 jeep cherokee. The front wipers are not working. Can you plese help me solve this problem


Check the fuses first. If the fuse keeps blowing, it could be binding linkage. It could be the wiper switch. Make sure power is getting to the wiper motor.
Also there is a contact in the wiring of the wiper motor that parks the wiper blades even if you shut off the wiper switch mid cycle. If this contact is bad, the wipers won't work.

Feb 05, 2015 | 1998 Jeep Grand Cherokee

2 Answers

What would cause the windshield wipers on my recently purchased Jeep Patriot Sport work on every speed except the high speed. High speed doesn't work at all.


The intermittent switch has a bad contact in it for the high speed, i would say, most likely will have to replace it.

Sep 15, 2014 | 2008 Jeep Patriot Sport

2 Answers

Wiper delay does not work


Intermittent wipers: Inside the wiper motor (of most cars) there is a diode or diodes. They burn out or they break. If you replace the diodes the intermittent wipers will work again. If you cannot replace the diodes, replace the wiper motor completely (used or new)

Apr 17, 2014 | 2003 Dodge Neon

1 Answer

Wipers not working


A little trick to try is untightening the mounting bolts of the wiper motor and then retightening. Sometimes its a matter of re-establishing a good ground.

The wiper parking problem is an internal wiper motor function. Some electric contacts are suppose to derail the motor and it is suppose to cycle into the locked position and turn off. Its last movements are automatic.

The intermittent part of the problem can be the contact switch on the turn stalk but there is a timer box on some models which the stalk switch controls. Some wiper motors have the timer box beneath a shield on the wiper motor. Those controls can be changed.

Mar 19, 2014 | Ford Fusion Cars & Trucks

2 Answers

2012 VW Passat - in cold weather wipers dont work


Can you getting into some place above 32f or 0c? If so do. Let it warm up and see if it helps. The grease maybe to thick in the transmission of the wipers two there could be ice or snow packed around the unit.
If it was doing it when it was warmer check the units ground.

Feb 28, 2014 | Volkswagen Jetta Cars & Trucks

2 Answers

Intermittent wiper


what car, what year? gee? a suz, what?
it can only be 4 things. (all cars)
1: the wiper motor is bad. (it has contacts inside for timing.
2: the wiper shaft is stripped, nah you said both stalled.
3: the wiring is bad.
4: the combo switch for the above is bad.

DIY, with what , no tools? no meter.?
with no tools one can only GUESS,
roll dice, and replace a part.
after spending $500 on parts and the wires are good then what.
yes, buy a meter.

it could be a bad ground wire.

when you turn on most wipers, the combo switch sends
that signal( just 12v ) to the motor.
the motor is self booting, that is , it only needs the start up
and then it self provides its own power,
ive restored wiper motors, many.
then the motor runs until it his the dead spot in ITS, internal
sustain switch and the halts. if the combo switch is off.
but if the wiper fails to return, this is a bad wiper motor.
(overloaded by ice, sure)
the motor can fail 2 ways, but
id say the sustain switch is at EOL. end of life.

this is the most common design.
check your FSM for yours. the factor service manual.
or alldata dot com. sure.

Sep 25, 2013 | Suzuki Cars & Trucks

2 Answers

Dodge caravan 1996 During cold weather wiper malfunction


Hi

Sounds to me like the "parking" contacts inside the wiper motor have broken off / worn.
Needs to remove wiper moter / dismantle to inspect. (On some models you can purchase these contacts.)

Dec 10, 2009 | 1996 Dodge Caravan

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