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PO745 and a harsh 1-2 shift? ('97)

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Old 10-22-2005, 10:53 AM   #1
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PO745 and a harsh 1-2 shift? ('97)

My '97 Maxima just started shifting hard from first to second and set a code of PO745 which is something about line pressure. Anyone been here before? It has 157K on it, but she's been well maintained and the trans fluid has been changed several times.

Thanks
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Old 10-22-2005, 11:13 AM   #2
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do u have the drop resitor mod?
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Old 10-22-2005, 04:11 PM   #3
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No, but I just measured the resistor and it's open.
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Old 10-23-2005, 04:43 PM   #4
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yes my max shifts hard from first to second, what to do\?
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Old 10-23-2005, 06:59 PM   #5
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There's a resistor mounted in an aluminum housing bolted to the driver's side strut housing. Measure it with a multimeter. Should be ~12 ohms if it's good.
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Old 10-24-2005, 07:14 AM   #6
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pressure control selenoid A circuit malfunction
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Old 11-01-2005, 12:47 AM   #7
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My max does same thing it shift 1 to 2 gears when rpm reaches 4500. is if same problem? what should i do?
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Old 11-01-2005, 10:49 AM   #8
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can you get a shift kit for a 97 nissan maxima?
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Old 11-01-2005, 10:59 AM   #9
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Originally Posted by jvienneau
No, but I just measured the resistor and it's open.
There's ur problem.. make sure one more time that the ohm meter shows overload or infinity... if it does just replace the resistor and you should be good because the line pressure solenoid relies on the resistor... if it infact shows 12 ohms you probably need a new line pressure solenoid...
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Old 11-02-2005, 09:34 PM   #10
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my 95 max shifts hard 1-2 ONLY when it's cold (engine temp)... anyone know why? i'd like to check it out with an ohmeter, but how do you use one? sorry im a noob plz i hope this isn't hijacking
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Old 11-02-2005, 09:40 PM   #11
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my 95 max shifts hard 1-2 ONLY when it's cold (engine temp)... anyone know why? i'd like to check it out with an ohmeter, but how do you use one? sorry im a noob plz i hope this isn't hijacking
Didnt you get banned for hijacking threads? Your still doing it......do you need another ban to learn your lesson?
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Old 05-21-2009, 03:18 PM   #12
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PO745 code

I would appreciate any advice from the readers. I have a 1998 Nissan Maxima GLE and the check engine light is on and the Code PO745 (Pressure Control Selenoid "A" Circuit Malfunction) is active. Could someone please explain where this is located and where to order this part from. Any other advice will be greatly appreciated. Thanks.
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Old 05-11-2011, 10:54 AM   #13
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I had same problem. Checked drop resistor, mounted on DS shock tower, behind airbox. Had infinite resistance. Replaced it and problem fix immediately.
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Old 05-11-2011, 11:54 AM   #14
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sorry im a noob plz i hope this isn't hijacking
Dude's been a member since 05' with 3,594 posts and he's a noob!


Quote:
Originally Posted by Jowwe
I had same problem. Checked drop resistor, mounted on DS shock tower, behind airbox. Had infinite resistance. Replaced it and problem fix immediately.
2 year necrobumpage! But it is valuable input, I've seen a few posts with same issue, damn resistor.
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Old 05-11-2011, 12:02 PM   #15
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I posted mostly for noobs like myself searching, let em know it worked for me. Dealer tried to sell me $500 solenoid pack, I told em just the resistor. The guy said he never saw one go bad...guess he didn't work there long.
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Old 05-11-2011, 12:06 PM   #16
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I posted mostly for noobs like myself searching, let em know it worked for me. Dealer tried to sell me $500 solenoid pack, I told em just the resistor. The guy said he never saw one go bad...guess he didn't work there long.
Were you experiencing hard shifting form 1- 2 only or all gears?
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Old 05-11-2011, 12:26 PM   #17
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Mine was only in 1-2. I know the resistor should affect all gears but I gave it a try and it worked.
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Old 05-11-2011, 12:32 PM   #18
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Mine was only in 1-2. I know the resistor should affect all gears but I gave it a try and it worked.
Thanks, good to know. I'm having this **** in all gears, gotta get a used replacement.
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Old 05-11-2011, 12:43 PM   #19
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My symptoms were harsh 1-2 shift, blinking OD light and fault for open circuit in shift circuit A.
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Old 05-11-2011, 12:50 PM   #20
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how much did you pay for the new drop resistor from the stealership?
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Old 05-11-2011, 12:56 PM   #21
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$40
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Old 05-11-2011, 12:58 PM   #22
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Not too bad, I thought i saw it for $50 + at courtesy.
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Old 05-11-2011, 01:13 PM   #23
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Not too bad, I thought i saw it for $50 + at courtesy.
classifieds i have one for sale and i think maxima joe has one for sale
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Old 05-11-2011, 01:16 PM   #24
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us MT guys dont worry bout no DR mod hehe

lolz
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Old 05-11-2011, 01:17 PM   #25
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us MT guys dont worry bout no DR mod hehe

lolz
sure dont mine came off my 98 when it got totaled love the option to change my own gears
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