Replacement instructions for the wiper motor do not show any special requirements for programing or initiation. When you get the scan tool, make sure you run a self-test on both the SCCM and the BCM. Hopefully its not a BCM issue that requires a replacement.

In the meantime, have you checked all the connectors for the wiper circuit to make sure all the pins are properly installed in the connector and making contact. Occasionally a connector will get assembled at the factory with a pin not completely seated in connector and after awhile it works its way back so that it doesn't connect properly with the opposite pin. The only way you might catch this is to disconnect the connectors and visually check, and/or perform a pin to pin continuity check with an ohmmeter.

 

I need to source a good wiring diagram. Strange that the wipers don't work on HIGH as they are supposed to when there is a communication error.....

 

May be a good idea to isolate the wiper motor and power up directly to make sure it works. Hot wire from wiper motor is violet-white. Blue-white wire is to the pump. Black-yellow wire is ground for both. From the SCCM, the wires are FRT Wiper High, Brown-white and Lin, Yellow-Grey which also makes a connection to the wiper washer which is a Yellow wire. The circuit has many connections along the route.

 

See the schematics below. On last page, check the connectors that are part of the HI INPUT power circuit [CRW51]

 

Freezing this morn so I tested the wiper motor inside until the frost is off the truck. 12v on motor terminal 8 VT-WH and ground on terminal 6 BK-YE made the motor jump to its parked position ( I moved the linkages a bit when removing the motor). I grounded terminal 1 BN-WH and the motor started running on HIGH as it should. Remove the ground from terminal 1 and the motor slows to its parked position so the motor seems fine.

I also applied 12v to terminal 7 BU-WH at the motor harness and the washer pump works.

Once it warms I'll borrow the scan tool and check the SCCM commands carefully. I also need to trace the LIN wire YL-GY and the HI-INPUT wire BN-WH from the motor plug back to the SCCM.

The motor plug has 12v on terminal 7 VT-WH ignition on and the ground is good on terminal 6 BK-YE.

I feel there is something amiss between the motor harness and the SCCM, or, the SCCM is defective? Hopefully the scan tool will help but I was pretty sure that the wiper stalk was commanding the motor properly when I used the Maxisys yesterday.

 

Further, I checked continuity on the LIN YL-GY and the HI-INPUT BN-WY wires from the wiper motor connection to the 16 pin connector on the rear of the SCCM. Continuity is good on both.

I'm not seeing any indication of a connection/pin problem.

 

That's a good start. You might be right about the SCCM. When you run the self-tests, make sure you record the failure sub-type code. That is the two digit number right after the colon [:]. It will greatly help in narrowing down the problem if there is one.

 

B1131:08-0A.

Not sure if it zero A or upper case O A.

Same code with a new Ford motor installed too.

With the scan tool connected, and querying the SCCM, I'm able to use the live data function and command all the steering wheel controls (cruise, radio etc) open and closed as they should.

I note that when I put the wipers on HIGH, it indicates the HIGH position selected. LOW speed indicates properly, as does the indication that the WASH command is working. Interestingly, there are 5 intermittent options, when I select the first option, it indicates INTERMITTENT 1 but when I select the next fastest sweep speed, INTERMITTENT 3 is shown as selected, not 2 as you would expect. Position 3 shows INTERMITTENT 2, positions 4 and 5 are in the correct order.

So, I'm not sure if this is a SCCM fault or if the scan tool is at fault. The fella I borrowed the scan tool from is expecting a brand new model to arrive today, I've graciously offered to try it out first and I'll see what the newer scanner says.

So, hopefully the code will provide some insight, other than the odd mix up with the intermittent speeds, I've no idea why the motor/washer isn't receiving commands when the scan tool seems to indicate all the buttons are working and the LIN connection to the motor (and the others I checked) seem fine?

 

I came up with this:Home FordB1131:08

Ford DTC B1131:08

Make:FordCode:B1131:08Definition:Wiper motor module: Bus Signal / Message FailureFailure Type:Bus Signal / Message FailureThis sub type is used for Bus Signal / Message Failures that cannot be assigned to a specific sub type.

The '0A' doesn't come up with anything.

This code, from the SCCM, is were I would concentrate my efforts to check wire connections and power to and from. If there is some way to connect power to the wipers, bypassing the SCCM, that would probably isolate the issue right there.

 

The number after the dash is an occurrence counter in hexidecimal. 0A = 10 times this has occurred. Here are the Pinpoint tests for the wipers. That should help you. I suspect a damaged wire somewhere between the SCCM and the wiper motor, which is where you said you were going to concentrate your efforts. Good luck.

The links may not work anymore since I rendered this from the main manual.