Nissan Engines Diagnostic Connectors

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

Connector Photos

For information on a Code Reader to read code from this connector, click here

Diagnostic Link Connector No. 21

Year range: 1998 to 2006

Locations: Under the drivers side dash panel.

		Connector Method >
	* There are more than one method of putting vehicles with this connector into diagnostic mode. If one does not work, try another. * You may need the OBD2 / EOBD or UniPlug vehicle specific software. Click here for more info.	Acc. Pedal Method >

	The Connector method is the prefered method, or please refer to Connector 3 for ECU LED methods.	ECU
	The EFI computer will either have One or Two LEDs as depicted in the diagram	One LED >

	For ECU with two LEDs, You will now need to determine the type of system the vehicle has. 1. Make sure the diagnostic mode connector is turned fully anti-clockwise or the slide switch is OFF. 2. Turn the ignition on and ensure that the LED's are ON. 3. Turn the mode selector fully clockwise (or the slide switch ON).	Two LEDs
	If the LED's flashing is synchronised select 'System A'.	System A >
	If the LED's flash independently select 'System B'.	System B >

Connector Photos

Diagnostic Link Connector No. 3

Year range: 1986 to 2003

Locations: Under the drivers seat.
Under the passengers seat.
Under the drivers side kick panel.
Under the passengers side kick panel.
Above the passengers side kick panel.
In the center console.
Under passengers floor carpet or flap in carpet.

	The EFI computer will either have One or Two LEDs as depicted in the diagram	One LED >

	For ECU with two LEDs, You will now need to determine the type of system the vehicle has. 1. Make sure the diagnostic mode connector is turned fully anti-clockwise or the slide switch is OFF. 2. Turn the ignition on and ensure that the LED's are ON. 3. Turn the mode selector fully clockwise (or the slide switch ON).	Two LEDs
	If the LED's flashing is synchronised select 'System A'.	System A >
	If the LED's flash independently select 'System B'.	System B >

Connector Photos

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.

Use This Connector >

Diagnostic Link Connector No. 25

Year range: 1989 to 1992

Locations: In the center console.

Use This Connector >

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