Auto Trans Won't Shift: How to test your transmission computer, 87-95 Pathy (FSM) - Nissan Forum

 
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#1 Old Oct 3rd, 2006, 05:31 PM
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Lightbulb Auto Trans Won't Shift: How to test your transmission computer, 87-95 Pathy (FSM)

How do you test shift module and or shift solenoids on a 87 pathfinder 4X4. Won't shift out of 1st gear not even manually.
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#2 Old Oct 3rd, 2006, 06:28 PM
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Here you are, the first link is to the factory service manual's testing procedure and overall parts layout, the second one is a copy of Nissan's factory transmission manual for the RE4R01A automatic transmission. They open with Adobe PDF. Hopefully your Pathfinder has the 4-speed auto, not the 3-speed? The RE4R01A is the 4-speed.

http://nissan.damagedreality.com/NissanTransTests.pdf

http://nissan.damagedreality.com/NissanTransTests2.pdf

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#3 Old Oct 3rd, 2006, 07:10 PM
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Ihave a 3spd. autotrans. Any suggestions.
#4 Old Oct 7th, 2006, 11:41 AM
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Those are rare and problematic. They didn't use the 3-speed past 87. Sorry.

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'88 Pathfinder: 6" of lift, 33x13.50 Swamper LTB's, Rancho 9000's, L&P Stage 3 steering system, K&N, Pacesetter headers and 2.5" exhaust, Lock-Right locker, 110A alty and electric fan swap, dual batteries, 700W+ worth of PIAAs, etc.
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#5 Old Feb 2nd, 2007, 03:56 AM
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does it shift manually?
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#6 Old Feb 2nd, 2007, 02:44 PM
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Quote:
Originally Posted by mudonmyteeth
does it shift manually?
No it didn"t shift manually. Had the tranny rebuilt for 1700. Now I need a Y pipe.
#7 Old Feb 25th, 2007, 10:47 AM
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Quote:
Originally Posted by striperdad
No it didn"t shift manually. Had the tranny rebuilt for 1700. Now I need a Y pipe.
I just picked up an 87 Pathy and am wondering what rpm's is normal at 55mph. The trans completes the first 2 shifts fine but has never made a transfer to the 3 shift. It currently turns about 3500 rpm at 55mph. It does not have the power shif button.
#8 Old Feb 28th, 2007, 08:46 PM
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Hillibily
Mine is doing the same thing I got underneath to fine that my torque converter solenoid wires were ripped out .....guess it got caught on something while 4 wheeling. I know that the throttle position has lots to do with the shifting usually around 50-55 it shifts to the 3rd shift can you let off the throttle a little to see if it will shift then slowly accelerate?

I am waiting on the part now ....i will let you know if that fixes it

87 Red pathy 206,000
#9 Old Mar 9th, 2007, 10:42 AM
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im having the same problem with my 1995 pathy right now, any word on how you fixed it?
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#10 Old Mar 9th, 2007, 05:44 PM
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i REPLACED THE PART BUT THE WIRE HARNESS WAS MISSING ....I CAN'T FIGURE OUT WHERE THE CONNECTOR WAS? sTRANGE ....I'M WAITING FOR SOMEONE TO SEND ME A PICTURE OF THE ORIGIN SO I CAN SPLICE A NEW ONE ON
#11 Old Mar 25th, 2010, 05:42 PM
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I have a 1995 path that wont shift into reverse any ideas?
#12 Old Jan 5th, 2011, 01:03 AM
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I have a 1994 Terrano that wont shift past second. I have the trans manual and have replaced everything that was indicated as faulty...diagnostics now indicate no fault but still it wont change past second....aaaaaaggggghhhh driving the wifes car
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