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Vehicle speed sensor tcs commumincation line circuit. Can…

Customer Question
Vehicle speed sensor tcs...

Vehicle speed sensor tcs commumincation line circuit

Mechanic's Assistant: Does the sensor have a wire-wrapped magnet? If so, have you checked it with an ohmmeter?

Can communication circuit fault

Mechanic's Assistant: What is the model/year of your Nissan?

08 nissan xterra installed new speed sensor

Mechanic's Assistant: Are you fixing your Xterra yourself? What have you tried so far?

Cleaned and greased electical plugs and grounds

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I need to know which wires coming from the transmission and the can wires and also how to test the abs module

Submitted: 4 months ago.Category: Nissan
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Answered in 22 minutes by:
12/6/2017
Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
Jake
Jake, Nissan Technician
Category: Nissan
Satisfied Customers: 4,364
Experience: Experienced automotive repair technician, Pulaski Tech graduate and DSM hobbyist.
Verified
Hey there, are you getting a specific code?
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Customer reply replied 4 months ago
several p1212
U1001
B1035
C1729
Customer reply replied 4 months ago
I'm not comfortable spending that money being unfamiliar with site and system
Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
Just ignore the phone request, site sends those
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Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
I think the most obvious issue here is the P1212 and the U1001.This tells me there is an obvious issue with TCM communication.Does the condenser fan come on with key to ON position?
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Customer reply replied 4 months ago
no the condenser fan does not come on when i turn key to on position
Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
Have you checked for power going to the TCM?
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Customer reply replied 4 months ago
i am checking for power right now and checking continuity of can wires as well
Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
Thanks, ***** ***** looks like a TCM issue at this point. EspeciLly if it won’t crank.
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Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
Hey there, checking back to see if you made any progress.Thanks
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Customer reply replied 4 months ago
today when starting the vehicle, the fan did come on when started. what does this tell you?
also how do i test the tcm?
another thing is that when i connect my scantool and try to do a abs test, i have no communication.
does the speed sensor signal have to go through the abs module? or are these 2 seperate issues?
Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
The speed signal comes FROM the ABS module. It’s determined from the wheel speed sensors to the ABS unit.The condenser fan coming on is fail safe for a control unit failure. It would come on with key to ON and not even started though.
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Customer reply replied 4 months ago
The issues I'm having are coming from the speed sensor in the transmission.
Customer reply replied 4 months ago
The vehicle speed sensor
Nissan Mechanic: Jake, Nissan Technician replied 4 months ago
The transmission has internal revolution sensors for input and output shaft speeds. Not sure what your suggesting?
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