Nissan Qashqai MK1 Plus2 Gearbox ECU 2.0 1994 cc Diesel M9R 2007 - 2013 6 ATM 5 Door Hatchback J10U JTYNRCMJ10TEAJB-CA

Nissan Qashqai MK1 Plus2 J10 Tekna DCI 11 REG 148bph Gearbox Transmission Ecu 310363UK2B:310363UK2C: A64-000:U86 1209:310363UK2A 2.0 1994 cc M9R 6 Speed Automatic J10U JTYNRCMJ10TEAJB-CA 2007,2008,2009,2010,2011,2012,2013 diesel Mark1 TEKNA PLUS 2 DCI MK1 FL 11 REG 148bph v13403-22942

Additional Info

1. Transmission ECU Overview

ECU Part Numbers:

• 31036-3UK2B / 31036-3UK2C / 31036-3UK2A
• A64-000 / U86 1209
• Transmission: 6-Speed Automatic (CVT or Torque Converter Auto)
• Engine: 2.0L M9R Diesel (1994cc, 148bhp)
• Model Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013
• Vehicle: Nissan Qashqai MK1 Plus2 (J10) Tekna DCI, 11 Reg

Transmission ECU Functions:

The Transmission Control Module (TCM or TCU) is responsible for managing the automatic transmission system, ensuring smooth gear changes, optimizing performance, and improving fuel efficiency.

1. Automatic Gear Shifting Control

   • Controls gear changes based on engine load, speed, and driver input.
   • Works with the valve body and solenoids for precise shifts.

2. Torque Converter Lockup & CVT Management

   • Engages the torque converter clutch to improve fuel efficiency.
   • Optimizes Continuously Variable Transmission (CVT) ratios (if applicable).

3. Adaptive Learning & Driving Mode Control

   • Adapts shifting behavior based on driving style.
   • Supports Eco, Sport, or Normal driving modes.

4. Engine-Brake Coordination

   • Works with the ECU and ABS system to apply engine braking when necessary.

5. OBD-II Diagnostics & Fault Code Storage

   • Monitors transmission health and detects malfunctions.
   • Stores DTCs (Diagnostic Trouble Codes) for troubleshooting.

6. Hill Assist & Traction Control Integration

   • Prevents rollback by controlling clutch engagement.
   • Works with ABS and traction control systems.

7. Transmission Temperature & Fluid Monitoring

   • Monitors transmission fluid temperature.
   • Ensures proper lubrication and cooling.

2. Installation Process

Pre-Installation Precautions

• Disconnect the Battery: Remove the negative (-) terminal to prevent electrical damage.
• Ensure ECU Compatibility: Match part numbers for proper communication with the car's system.
• Avoid Static Discharge: Use an anti-static wrist strap to protect sensitive electronics.

Installation Steps

1. Locate the Transmission ECU:

   • Usually found near the gearbox or under the center console.

2. Remove the Old Transmission ECU:

   • Disconnect all electrical connectors carefully.
   • Unscrew the ECU from its mounting bracket.

3. Install the New Transmission ECU:

   • Secure it properly in the mounting bracket.
   • Reconnect the wiring harness and ensure all connections are firm.

4. Reconnect the Battery & Reset the System.

5. Transmission ECU Adaptation:

   • Use Nissan Consult III+ or an OBD-II scanner to perform reprogramming.
   • If required, perform clutch adaptation and learning procedures.

6. Test Drive & Scan for Errors:

   • Check for smooth shifting and correct transmission operation.
   • Run a diagnostic scan to verify no error codes remain.

3. Precautions

• Avoid Water Damage: Keep ECU and wiring dry to prevent failures.
• Use Proper Software Version: Incorrect software can cause shifting issues.
• Check Transmission Fluid: Ensure the fluid is at the correct level before testing.
• Secure All Connectors: Loose or corroded connections can result in communication failures.

4. Fault Codes (DTCs) & Troubleshooting

Below are some common transmission-related DTCs found in the Nissan Qashqai MK1 (J10) Plus2 Tekna DCI:

5. Clearing Fault Codes

After fixing the issue, follow these steps to clear DTCs:

Using Nissan Consult III+ or OBD-II Scanner

1. Connect the diagnostic tool to the OBD-II port (under the dashboard).
2. Turn the ignition ON (without starting the engine).
3. Scan for DTCs using Nissan Consult III+ or an OBD-II scanner.
4. Select "Clear Codes" to erase fault codes.
5. Restart the engine and test drive to verify proper operation.

Manual Transmission ECU Reset

1. Disconnect the 12V battery (-) terminal.
2. Press the brake pedal for 30 seconds (discharges stored power).
3. Reconnect the battery and turn the ignition ON.
4. Start the engine and check for any warning lights.

6. Fitment in the Car & Communication with Other Modules

Transmission ECU Location:

• Typically mounted near the gearbox or under the center console.

Communication with Other Modules:

The Transmission ECU works via the CAN Bus system with:

1. Engine Control Unit (ECU) – Synchronizes gear changes with engine power.
2. Instrument Cluster – Displays transmission-related warning lights.
3. ABS & Traction Control System – Prevents wheel slip by adjusting power delivery.
4. Immobilizer (IMMO) – Ensures only authorized keys allow transmission function.
5. Throttle Body & Sensors – Adjusts throttle response during gear shifts.

7. Summary

This guide provides all necessary details for installing, troubleshooting, and maintaining the Nissan Qashqai MK1 (J10) Plus2 Tekna DCI Transmission ECU. Let me know if you need further information! ??