[press128]

Hi all-

Got a weird problem that came out of nowhere. When turning on the rear wipers the cluster turns off then back on and the wipers bounce slowly through a whole cycle like the power to them is rapidly being turned on and off. Also when trying to use the front washer the rear wipers come on and do the same thing, and the washer pump doesn't come on. The front wipers were also acting up as they wouldn't turn on except at the highest setting and even then they were at their slowly. I since replaced the whole wiper switch and got the same result, although after some poking around the front wipers are now working normally.
Today I disconnected the washer pump motor and the rear wipers didnt come on as before. Then i pulled fuse 16 for the rear wipers and they still came on! This time they seemed to move much more normally than before, although the cluster still shuts off then back on. The radio/accessory outlet also will stutter while the cluster is turning on and off. Also the rear wipers wouldn't shut off until I put the fuse back in.
With this really weird issue, I'm kind of thinking it's the TIPM, although it's not having any other issues. Anything else I can try short of the TIPM?

 

[mr_et2]

My guess would be the left multi-function (headlight/turn signal) switch.

 

[press128]

I replaced that as well, no change.

 

[press128]

Anyone? Are TIPM symptoms usually random things operating by themselves? My issues only come on when trying to operate wipers/ washer pump. Does anyone know which plug on the TIPM comes from the wiper/ washer control? Maybe a bad wire or two there?

 

[Sandstone]

The input from the switches goes through the Steering Control Module down the LIN bus to the cluster which sends messages down the CAN bus to the TIPM.

Frankly, it may be easier, faster and more productive to have an electrical diagnostic done with a scanner at a qualified shop as opposed to guessing and throwing parts at it.

As the service manual states:

Since you've already replaced the left multi-function switch/SCM, you can try checking to see if power to the cluster at fuse 14 and/or TIPM C7 15 & 16 drops out then back on when the wiper motor turns on, causing the cluster to reset. If it doesn't I'd suspect the cluster is the problem, but again it's just a guess.

 

[press128]

Thanks for the schematics. I’m curious why you suspect the cluster. Does it actually control anything?
I’m still leaning toward the TIPM but now I realize I may have not reset it properly. I did not put the battery terminals together to discharge the capacitors when I disconnected the battery.

 

[Sandstone]

I’m curious why you suspect the cluster. Does it actually control anything?

Yes, the cluster (A.K.A. Cab Compartment Node or CCN) is the master node for the LIN bus and the interface between the LIN and CAN buses.
The cluster is what tells the TIPM (via the CAN bus) to turn the wipers, washers, lights, turn signals, etc. on and off.

 

[press128]

So I decided to disconnect the rear wiper motor, and the ignition shuts off. Is this normal? After jumping the black/LT blue and brown/green wire the ignition came back on and I was able to operate the front and rear washer pump.
I live in WV so I’m not sure if the rear wiper necessarily needs to function for inspection.

 

[press128]

I ended up jumping the black/green and brown/ green together. I don’t have rear wipers anymore but at least I have the washer pump and no more cluster blinking. I remembered my old car didn’t have working rear wipers and it passed inspection.

 

[press128]

But now I have a new problem. After I tried to reset the TIPM I got the ABS, ESP Bas, and the other light on all at once (one with the squiggly lines under the car). I checked the red wires on the passenger floor and those were all good, no corrosion or anything.
Maybe it needs to be driven to re learn the vehicle? I’ve started the car several times and let it run but haven’t driven it anywhere.

 

[4everbroke]

Hi all-

Got a weird problem that came out of nowhere. When turning on the rear wipers the cluster turns off then back on and the wipers bounce slowly through a whole cycle like the power to them is rapidly being turned on and off. Also when trying to use the front washer the rear wipers come on and do the same thing, and the washer pump doesn't come on. The front wipers were also acting up as they wouldn't turn on except at the highest setting and even then they were at their slowly. I since replaced the whole wiper switch and got the same result, although after some poking around the front wipers are now working normally.
Today I disconnected the washer pump motor and the rear wipers didnt come on as before. Then i pulled fuse 16 for the rear wipers and they still came on! This time they seemed to move much more normally than before, although the cluster still shuts off then back on. The radio/accessory outlet also will stutter while the cluster is turning on and off. Also the rear wipers wouldn't shut off until I put the fuse back in.
With this really weird issue, I'm kind of thinking it's the TIPM, although it's not having any other issues. Anything else I can try short of the TIPM?

A bad ground wire?? I've already had an issue with a bad ground wire on a headlight. I currently have this issue. I'm going to add a new ground wire. 🤞🤞🤞

 

[08Patri0t]

Hello,
I’m currently having the same issue - how did you guys fix this?
Please help. Thanks!!

 

[Sandstone]

Hello,
I’m currently having the same issue - how did you guys fix this?
Please help. Thanks!!

Hi 08, welcome to the site!

Unfortunately the OP didn't post back a resolution.

 

[08Patri0t]

Hi 08, welcome to the site!

Unfortunately the OP didn't post back a resolution.

Thanks! Hopefully anyone with the answer can share. ✌

 

[JNuchols]

Hi all-

Got a weird problem that came out of nowhere. When turning on the rear wipers the cluster turns off then back on and the wipers bounce slowly through a whole cycle like the power to them is rapidly being turned on and off. Also when trying to use the front washer the rear wipers come on and do the same thing, and the washer pump doesn't come on. The front wipers were also acting up as they wouldn't turn on except at the highest setting and even then they were at their slowly. I since replaced the whole wiper switch and got the same result, although after some poking around the front wipers are now working normally.
Today I disconnected the washer pump motor and the rear wipers didnt come on as before. Then i pulled fuse 16 for the rear wipers and they still came on! This time they seemed to move much more normally than before, although the cluster still shuts off then back on. The radio/accessory outlet also will stutter while the cluster is turning on and off. Also the rear wipers wouldn't shut off until I put the fuse back in.
With this really weird issue, I'm kind of thinking it's the TIPM, although it's not having any other issues. Anything else I can try short of the TIPM?

I had the same problem, I found the two frame ground lugs near the driver's side head light was coroded and not making contact, although they looked good to the eyes. I cut the wires stripped the ends and soldered them into a new connector, and regrounded them to the same ground on the frame. Problem was solved. It also fixed my front windshield wipers that wasn't working. Hope this helps someone else.