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Intermediate wipers do not work

Tiny
PAUL DREHER JR.
  • MEMBER
  • 1999 HONDA ACCORD
  • 2.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 167,000 MILES
The wipers work on high and low but the intermediate wipers do not work. If you pull the switch back the washer motor does not work either. The motor for the washer is getting no power. Replaced the multiplex control module already fuses are good. Also replaced the wiper relay. Need help please.
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Thursday, May 3rd, 2018 AT 8:06 PM

9 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,450 POSTS
Hello,

It sounds like you have an intermittent wiper relay that is not working. Here is a guide to help you test the relay once you find it from the diagrams below:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Here is the wiring and relay locations.

Check out the diagrams (below).

Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Sunday, May 6th, 2018 AT 12:39 PM
Tiny
PAUL DREHER JR.
  • MEMBER
  • 10 POSTS
I have tested the relay and it tested good. They are still not working. Help please.
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Sunday, March 17th, 2019 AT 6:16 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,450 POSTS
Welcome back, it sounds like the driver side multiplex is out. Here is the location and a larger wiring diagram so you can see how the system works. Replace it and please get back to me. Check out the diagrams (below). Please let us know what you find.
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Monday, March 18th, 2019 AT 12:25 PM
Tiny
PAUL DREHER JR.
  • MEMBER
  • 10 POSTS
I have replaced that too.
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Monday, March 18th, 2019 AT 12:27 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,450 POSTS
I am sorry, it is the passengers side multiplex that controls the intermittent wipers.
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Monday, March 18th, 2019 AT 12:36 PM
Tiny
PAUL DREHER JR.
  • MEMBER
  • 10 POSTS
What else does the passenger side multiplex control the washer too?
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Monday, March 18th, 2019 AT 12:44 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,450 POSTS
The two multiplex controllers work together. So yes it can affect the washer motor as well.
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Tuesday, March 19th, 2019 AT 10:14 AM
Tiny
PAUL DREHER JR.
  • MEMBER
  • 10 POSTS
Is there anyway to test the multiplex?
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Tuesday, March 19th, 2019 AT 10:27 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,450 POSTS
Yes, you can do a can scan on the system which will pinpoint the issue. Here is a video to show you how:

https://youtu.be/InIlnsjOVFA

Please let us know what happens.
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Tuesday, March 19th, 2019 AT 10:51 AM

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