Grumpy Posted August 22, 2005 Share Posted August 22, 2005 My daughter's 97 Pathfinder lit up the "check engine" light during a 900 mile trip the other day. After parking the vehicle overnight, the check engine light is still lit. She is less than adept at things mechanical, so I'm wondering how to retrieve the codes on this vehicle. The Nissan dealer in her neighborhhod is far less than price friendly. Any tips or creative thinking would be appreciated. Link to comment Share on other sites More sharing options...
thunderca Posted August 22, 2005 Share Posted August 22, 2005 I heard some store will read the code to you for free. If you want to read the code yourself for R50 pathfinder, I think you will have to get a OBDII code reader. Link to comment Share on other sites More sharing options...
94extreme Posted August 22, 2005 Share Posted August 22, 2005 AutoZone will read them for free.. Link to comment Share on other sites More sharing options...
lewisnc100 Posted August 22, 2005 Share Posted August 22, 2005 You also have a diagnostic mode selector screw on top of the computer which is above your gas pedal tucked behind the dash. Turning the screw will flash the codes on the dash. Link to comment Share on other sites More sharing options...
Grumpy Posted August 22, 2005 Author Share Posted August 22, 2005 (edited) My daughter's boyfriend cleared the codes by pulling the battery cable, but the check engine light came right back on. My daughter went to an Advanced Auto Parts store in SC, and they shot the codes for free. It's apparently a throttle postion sensor. Autozone offered to shoot the codes - for $74. Ha ha - that's a good one Guess where we ordered the sensor from?http://www.partsamerica.com/Default.aspx The price seemed fairly competitive as well, at $78. Many thanks to all. Edited August 22, 2005 by Grumpy Link to comment Share on other sites More sharing options...
94extreme Posted August 23, 2005 Share Posted August 23, 2005 that's weard. Zone always does it for free here.. Advanced has only gotten in the help/tool rental business recently but their service is terrible.. line, line, and more lines.. i almost always have to go off on the slackers... Link to comment Share on other sites More sharing options...
lewisnc100 Posted August 23, 2005 Share Posted August 23, 2005 It's apparently a throttle postion sensor. What was the code? The TPS on the 97s get out of adjustment easily triggering TPS codes. Very easy to adjust back into position. Link to comment Share on other sites More sharing options...
Grumpy Posted August 24, 2005 Author Share Posted August 24, 2005 What was the code? The TPS on the 97s get out of adjustment easily triggering TPS codes. Very easy to adjust back into position. I didn't find out what the code was beyond taking the guy's word for it. I'm 1,000 miles from the car. Hopefully a new sensor will cure it. I want the vehicle as trouble free as I can get it with my daughter driving. Link to comment Share on other sites More sharing options...
lewisnc100 Posted August 24, 2005 Share Posted August 24, 2005 Even with the new sensor you'll need to go through the adjustment procedure to get it installed correctly, you'll need a multimeter and a .012 and .016 feeler gauges. Post back if you don't have those steps. Link to comment Share on other sites More sharing options...
Grumpy Posted August 26, 2005 Author Share Posted August 26, 2005 Even with the new sensor you'll need to go through the adjustment procedure to get it installed correctly, you'll need a multimeter and a .012 and .016 feeler gauges. Post back if you don't have those steps. My daughter's boyfriend is going to install the sensor. I could use your help for specific instructions on the install. Thanks. Link to comment Share on other sites More sharing options...
lewisnc100 Posted August 26, 2005 Share Posted August 26, 2005 96-98 Pathfinder TPS Adjustment Procedure 1. Warm up engine until the fast idle cam retracts and the throttle lever rests on the throttle stop screw (never adjust the stop screw). Turn engine off. 2. Remove the electrical connection to the closed throttle position switch (top one on TPS) 3. You'll see 3 terminals, you will be testing for continuity across the top two (5 & 6) 4. Insert the .012 feeler gauge between the stop screw and the throttle drum stop, should have continuity 0 ohms 5. Insert the .016 feeler gauge and you should not have continuity 6. If readings are incorrect loosen the bolts and adjust the sensor (rotate) until the readings are correct 7. Once the readings are correct, turn the ignition on (wait 5 seconds) and off (wait 10 seconds) and repeat 16 times to relearn the closed position Link to comment Share on other sites More sharing options...
Grumpy Posted August 26, 2005 Author Share Posted August 26, 2005 96-98 Pathfinder TPS Adjustment Procedure Many thanks for that. I emailed it to my daughter. Link to comment Share on other sites More sharing options...
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