Throttle Body Assembly fits Nissan X-Trail T31 2.5L QR25DE Petrol 2007~2014 NEW

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Throttle Body Installation Instructions

Match Introduction

1,  Self-adaption must be conducted under below situation:

*Power supply is interrupted 

*Dismounting throttle control unit 

*Replace the throttle control unit

*Replace the engine 

*Replace the engine control unit

2，Basic setting conditions:

*Shut off all the electric application

*Temperature of cooling fluid must be over 80℃

*Battery voltage over 11V

*Gearbox should be at P level

*Accelerator pedal can’t be pressed during the basic setting process

3，Basic setting method and process:

1, Turn the key to ON (power mode, no start), enter engine system

2, Connect to X-431 decoder

3, Check fault code→ Clear fault code 

4, Choose relevant vehicle while choose “ common mode”-“fast dataflow diagnostic mode”-“engine system”, 

choose “System basic adjustment function” and input adjustment group number: different vehicle, different channel number.

Match Manually

Two different methods to initialize for different vehicles 

The first method : Turn the key to ON ( power mode, no start), press the accelerator to the bottom after 20 seconds,

keep about 10 seconds, release accelerator, turn the key to off and pull out, initialize finished. 

The second method :Turn the key to ON ( power mode, no start) and keep for 30 seconds, then turn the key to off and pull out. 

What you should pay attention is: you should wait for a period before you start after you tried any one of the method, 

usually it is 15-20 seconds, then start. Check if the fuel is normal, the engine fault light is off. If not succeed the first time, 

then try again until it succeed. Normally it will succeed the first time, at most two times. 

But the restoring method is different with different vehicle.

The Third method: Cut off the power of the battery’s N pole, and wait for 10 seconds until ECU is 100% power off. 

Then connect to N pole again (it is normal if have some spark) to restore. Match will be finished.

Installation instructions ( NOTE: plz install by professional)

1, Description: Electronic throttle body is an actuator for controlling the intake air of the engine.

2, Installation position: intake manifold

3, Failure judgment: Electric throttle body doesn’t work

4, Disassembly:

Tools: ratchet spanner, screw driver, Special card clamp

Notice:

Don’t damage the surface of the intake manifold’s flange

Regarding the throttle body with pipe, take care to pull out the pipe after the engine is cool, prevent the hot water to hurt people.

Take care to protect the matching plug on the throttle, don’t mix water and other sundries

Don’t use the throttle body which have collision.

Steps:

Pull out the matching plug on the throttle body

Pull out the intake manifold connected with the throttle body

Pull out the rubber hose connected with the throttle body, e.x, water pipe, vacuum tube

Installation

Check the clean of the flange, replace to new seal ring and gasket

Install the throttle body with cross method to fix the screw, tightening torque is 8-10Nm

Connect the plug, intake manifold, water pipe, vacuum tube ect.

Installation check and confirmation:

Check the connection between flange, relevant pipes and plug, make sure the seal and connection is strong.

Turn the key to the second level and keep about 30 seconds, to make sure the throttle body accomplish the self-learning 

Start the engine, and working 3-5 mins, Double check the water pipe is leak or not.

After replacing to new throttle body, self-learning process need a certain external condition to support, don’t install it yourself.