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Check Engine Light : Diagnostic Trouble Codes For 1989 to 1994 Nissan Skyline GT-R

Sean Morris Posted on June 25, 2020

How to read and clear diagnostic trouble codes on a Nissan Skyline GT-R

 

The Check Engine light, and method to read and clear diagnostic trouble codes on older vehicles is different than 1996 up, OBD II cars. There are some specific tools you can use, or you can also use a jumper wire, to read the stored codes.  On an R32 GT-R, the catalytic converter overtemperaure light is used as a check engine light. 

If the light flashes a lot when you drive, it could also be a bad exhaust gas temperature sensor. That sensor is screwed into the catalytic converter, and the connector comes up under the passenger seat. We see some that are cut, the wires touch, the light flashes.  The catalytic converter overtemp sensor is something not seen outside of Japan, and not a problem to remove from most cars if changing the exhaust. 

 

Code 11 - crank angle sensor signal system
Code 12 - Air flow meter signal system
Code 13 - Engine temperature signal system
Code 21 - Ignition signal system
Code 34 - Detonation sensor signal system
Code 41 - Intake temperature sensor signal system
Code 43- Throttle sensor signal system
Code 51 - No error

Check engine light for a Nissan Skyline GT-R R32 Catalytic converter overtemp

There are several tools you can use to read the light. The offical tool is called a Consult. That tool is many thousands of dollars, there are plenty of other options though. From a paperclip to read the tools, to a standalone reader. First is how to read it with a paperclip. 

 

For more information about Nissan Consult, and Consult type tools - read here:

Nissan Datascan. This tool allows you to read and clear codes, do active testing, live stream of vehicle data, and log engine parameters. You need a cable, a license, and a computer. 

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