2002 pathfinder 4x4 not engaging

A forum for the legendary Nissan Pathfinder and Infiniti QX4.
Nissaninfinniti
Posts: 5
Joined: Mon Aug 21, 2017 7:20 pm
Car: 2004 infiniti Q45

Post

2002 pathfinder Le putting in 4wd i hear a sound and nothing happens and I done the diagnostic check and 4x4 warning light flashes 11 and then stops for a sec and then flashes 12 times. I looked it up and it says 2wd-4wd shift solenoid valve circuit. 4wd shift switch circuit or clutch pressure switch circuit shorted or open
Line pressure switch shorted or open. I'm trying to figure out where these are if anyone know please advise. This is my first 4x4.
Thanks


User avatar
mdmellott
Posts: 1147
Joined: Mon Sep 02, 2019 3:32 pm
Car: '13 Kia Soul+ 2.0L AT
'02 Pathfinder SE 3.5L AT P/4WD
Location: SF Bay Area, CA

Post

All of those components are inside the transfer case and they are all connected to the same wiring harness. See page TF-177 of the factory service manual. >>> https://www.nicoclub.com/service-manual ... 2%2Ftf.pdf Check the wire harness and connector, which is outside of the transfer case. It may have been damaged somehow, come unplugged, or the connector contact pins are corroded.


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