Engine management system MR20DE for vehicles Nissan X-Trail 2 (T31)
Checks and adjustments — basic checks
1. Start of the check 1. Check whether there are any entries in the service log for recently performed repairs that could indicate the corresponding malfunction, and...
1. Start of the check 1. Check whether there are any entries in the service log for recently performed repairs that could indicate the corresponding malfunction, and...
Additional maintenance operations in case of control unit replacement
If you replace the ECM, perform the following operations: 1. Initialize the NATS system and register the identification codes of all NATS ignition keys. Proceed to point...
If you replace the ECM, perform the following operations: 1. Initialize the NATS system and register the identification codes of all NATS ignition keys. Proceed to point...
Checking the idle speed.
The following describes how to perform an idle speed check. When actually performing the procedure, follow the instructions in paragraph. " Basic checks " higher. 1....
The following describes how to perform an idle speed check. When actually performing the procedure, follow the instructions in paragraph. " Basic checks " higher. 1....
Checking the ignition timing angle
The following describes how to check the ignition timing. When actually performing the procedure, follow the instructions in paragraph. " Basic checks " higher. Check...
The following describes how to check the ignition timing. When actually performing the procedure, follow the instructions in paragraph. " Basic checks " higher. Check...
Accelerator Pedal Release Position Learning
The procedure is an operation to teach the ECM the released position of the accelerator pedal by monitoring the output signal of the accelerator pedal position sensor....
The procedure is an operation to teach the ECM the released position of the accelerator pedal by monitoring the output signal of the accelerator pedal position sensor....
Closed Throttle Position Training
The procedure is an operation to teach the ECM the closed throttle position by monitoring the output signal of the throttle angle sensor. It must be performed every time...
The procedure is an operation to teach the ECM the closed throttle position by monitoring the output signal of the throttle angle sensor. It must be performed every time...
Training for air supply at idle speed.
The procedure is an operation of teaching the ECM to supply air at idle speed, in which the engine speed is maintained within the normal range. It must be performed in...
The procedure is an operation of teaching the ECM to supply air at idle speed, in which the engine speed is maintained within the normal range. It must be performed in...
Erasing the self-learning value of the fuel-air mixture ratio
The following describes how to clear the air-fuel ratio self-learning value. When actually performing the procedure, follow the instructions in "Diagnosis Procedure"....
The following describes how to clear the air-fuel ratio self-learning value. When actually performing the procedure, follow the instructions in "Diagnosis Procedure"....
Description of the engine management system
ECM unit. Controls various system parameters, such as fuel injection and ignition timing.
ECM unit. Controls various system parameters, such as fuel injection and ignition timing.
Component arrangement
Component arrangement 1. Ignition coil (with power transistor) and spark plug; 2. PCV valve; 3. Fuel injector; 4. Engine-2 cooling fan; 5. Knock sensor; 6. Camshaft...
Component arrangement 1. Ignition coil (with power transistor) and spark plug; 2. PCV valve; 3. Fuel injector; 4. Engine-2 cooling fan; 5. Knock sensor; 6. Camshaft...
Car Repair — Fuel Pressure
Fuel pressure relief 1. Remove the fuel pump fuse located in the IPDM E/R unit. 2. Start the engine. 3. After the engine stalls, crank it two or three times and release...
Fuel pressure relief 1. Remove the fuel pump fuse located in the IPDM E/R unit. 2. Start the engine. 3. After the engine stalls, crank it two or three times and release...
Fuel vapor recovery system
Examination 1. Visually inspect the EVAP lines to ensure they are properly connected and free of cracks, damage, looseness, chafing, or wear. 2. Check the EVAP carbon...
Examination 1. Visually inspect the EVAP lines to ensure they are properly connected and free of cracks, damage, looseness, chafing, or wear. 2. Check the EVAP carbon...
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Link in different formats to this section
TEXTHTMLBB Code
- General information
- Control devices
- Operating instructions
- Maintenance
- Powertrain MR20DE
- Engine repair
- Lubrication system
- Cooling system
- Control system
- Fuel and exhaust system
- Powertrain QR25DE
- Engine repair
- Lubrication system
- Cooling system
- Control system
- Transmission
- Clutch
- Mechanical gearbox
- Variator (CVT)
- Transfer case
- Chassis
- Front suspension
- Rear suspension
- Brake system
- Steering
- Body
- Exterior (external elements)
- Interior (internal elements)
- Doors, locks and windows
- Electrical equipment
- Lighting system
- Windshield wipers and washers
- Engine electrical equipment
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