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Checking error codes VR/VS (Revised)

kopper69

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This is a revised version of Darren's How-to. This just has pics added for those of you who get stuck.

Locate the diagnostic connector under the the steering column on the drivers side.



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Grab a paper clip and bend it like this:



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Bridge pins number 5 & 6 which are located on the top row counting from the left.




It should now look like this:



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Jump into the drivers seat and turn the key twice (so lights are up on the instrument cluster).

If you bridged out the correct wires 'Check Engine Lamp' will be flashing (the engine fan will also run - this is normal).

The flashes are divided into 2 groups with roughly a second between each. You can read the flashes as follows:

The first series of flashes is tens, so for example lets say the first flash simply flashes once, this means the code is 10. After the pause (~1 second) a second series of flashes will appear, if this number is 2, the code it is spitting out is 12 which means everything is fine.


Another example just so you're sure

The first series of flashes you count is 4 meaning 40, the second series of flashes is 3. Adding the 40 and the 3 will give you a code of 43 which means the Knock sensor circuit is experiencing problems.


Each code the computer picks up is repeated three times with ~3 second pause between, so its wise to sit there to make sure there isn't any problems it has picked up.

Once you are finished turn off your ignition and remove the paper clip. It is important to note not to drive the car around while have wires are bridged as this will prevent new codes from being logged.

Any questions or queries please feel to contact me at anytime.

Checking the computer for codes is used in conjunction with the computer Fault Codes located here
 

Notorious

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I got a code 47.. can anyone tell me what that means ?
 

kopper69

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Follow the link darren provided in the first post. If its a vs the site says :

Crank Angle Reference Signal

If its a VR:

18x Reference Signal Missing

This may have to do with a fault with the crank angle sensor, although i wouldnt worry about it until the car struggles to start when its warm. I would reset the codes and check them after a week to see if the fault was just a once off that has sat in the error log.

To clear the error log remove the engine fuse, 20A, under the bonnet near the battery for a few seconds.
 

kopper69

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Everyone will get a 12 first. If you get a 12, 3 times, then it repeats the 12 again 3 times that is indicating that there have been no logged faults. If you only checked the 12 and didnt wait 2 seconds after the 3rd 12 flash than there may possibly be more fault codes. But if 12 is the only log than there are no recorded problems. This does not mean there are no faults, just none that have been read by the computer.
 

be_inspyred

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VL turbo & VT SS 5.0
so this should work on a VT with 5.0 yeah ?
 

semi

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5.7L?? or 3.8l??
 

Infus10n

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semi said:
5.7L?? or 3.8l??
No, he really thinks he has a 3.7L commodore, look at his ride description :p
 
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