02 sunfire pljx and check engine light
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=101427
Printed Date: November 03, 2025 at 9:05 PM
Topic: 02 sunfire pljx and check engine light
Posted By: schlever
Subject: 02 sunfire pljx and check engine light
Date Posted: January 21, 2008 at 11:49 AM
Installed a remote starter in my 02- sunfire with a PLJX module. It works fine now, but the passlock II light and check engine light remain on at all times as long as the PLJX is installed. Is it possible the GWR from my ultrastart isn't sending enough current to the PLJX or that the PLJX is defective?
Replies:
Posted By: moonliter
Date Posted: January 21, 2008 at 4:03 PM
If you unplug the PLJX, would the passlock 2 light goes away ?
Posted By: schlever
Date Posted: January 21, 2008 at 4:30 PM
Yes whenever I unplug the unit, the passlock II light goes away. Does anyone know if the sunfire has a keysense wire?
Posted By: extreme1
Date Posted: January 21, 2008 at 4:41 PM
got the jumper on the PLJX in the right position?
it should jump the two pins away from the connector, check that and reprogram.
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Shaughn Murley
Install Manager, Dealer Services
Visions Electronics
Red Deer, Alberta
Posted By: audioman2007
Date Posted: January 21, 2008 at 6:22 PM
yes the 02 sunfire has a keysense wire. Remove the steering column cover and there should be 3 little little wires to the right of the column. Should be yellow, black and white( if i remember correctly). They go to a grey connecter.
Posted By: schlever
Date Posted: January 22, 2008 at 8:39 AM
audioman2007 wrote:
yes the 02 sunfire has a keysense wire. Remove the steering column cover and there should be 3 little little wires to the right of the column. Should be yellow, black and white( if i remember correctly). They go to a grey connecter.
Thanks, which one is the keysense in there?
Posted By: chriswallace187
Date Posted: January 22, 2008 at 8:47 AM
None of those are the keysense - those are the Passlock wires. Keysense is lt. green in the same connector with the regular ignition wires. It shows 12v+ with the key out and goes to 0 when it's inserted.
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C Renner's Auto Electronix
My service is cheap, quick, and good - pick any two
Posted By: schlever
Date Posted: January 22, 2008 at 9:13 AM
chriswallace187 wrote:
None of those are the keysense - those are the Passlock wires. Keysense is lt. green in the same connector with the regular ignition wires. It shows 12v+ with the key out and goes to 0 when it's inserted.
Thanks Chris. The PLJX has a keysense wire that I never hooked up, so I will give that a try and see if that helps.
Posted By: kgerry
Date Posted: January 22, 2008 at 4:29 PM
i have never hooked up keysense on a PLJX yet and they have always worked fine...
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: schlever
Date Posted: January 23, 2008 at 10:16 AM
Kevin, do you think its a defective unit then?
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