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Nissan Engines Diagnostic Connectors

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Nissan Engines - Please select the connector for your vehicle from the options below.

 
Nissan Engines Connector 21

Photos of where to find connector in car

Diagnostic Link Connector No. 21

Year range: 1998 to 2009

Locations: Under the drivers side dash panel.
In or next to the fusebox under the dash panel.

Step 4
Nissan EFI Code Reading
Connector Diagram
Connector Location
Note: You may need the Rennacs™ UniPlug and UniPlug specific software.
Click here for more info.
Instructions
Please Note:
  • There are three methods of putting vehicles with this connector into diagnostic mode.
  • If one does not work, try the others.
  • Select one of the methods below.
Connector Method
  • This is the prefered method.
  • To select this method click 'Connector Method'.
Accelerator Pedal Method
  • Does not require a connector.
  • To select this method click 'Pedal Method'.
Engine Control Unit (ECU)
The vehicle may still have an Engine Control Module. (Click here for an example picture) 
If you can find an ECU with an LED on it, click 'ECU'.
 ECU 
Nissan Engines Connector 25

Diagnostic Link Connector No. 25

Year range: 1989 to 1992

Locations: In the center console.

(Nissan EFI) Use This Connector >
Nissan Engines Connector 15

Photos of where to find connector in car

Diagnostic Link Connector No. 15

Year range: 1988 to 1998

Locations: In or next to the fusebox under the dash panel.
In the center console.

(Nissan EFI) Use This Connector >
Nissan Engines Connector 3

Photos of where to find connector in car

Diagnostic Link Connector No. 3

Year range: 1986 to 2003

Locations: Under the drivers seat.
Under the passengers seat.
Above the passengers side kick panel.
In the center console.

Step 4
Nissan EFI Code Reading
Connector Diagram
Connector Location
Instructions
Please Note:
  • The EFI computer will either have One or Two LEDs as depicted in the diagram.
  • Choose below depending on the number of LEDs.
One LED
  • If only one LED select 'One LED'.
Two LEDs
  • If there are Two LEDs select 'Two LEDs'.
Nissan Engines: For a vehicle coverage list Click Here


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