Self-diagnosis of automatic transmission Nissan Liberty
Required tools:
* OBD2 scanner
Steps:
1. Connect the OBD2 scanner to the vehicle’s diagnostic port. The port is usually located under the dashboard.
2. Turn on the ignition, but do not start the engine.
3. Select the “Automatic transmission” or “Automatic transmission” option on the scanner.
4. Follow the instructions on the scanner screen. Typically you will be prompted to do the following:
* Read Trouble Codes (DTC): The scanner will display a list of DTCs related to the automatic transmission.
* Clearing Trouble Codes: After troubleshooting, you can clear the codes using a scanner.
* View real-time data: The scanner will display automatic transmission operating parameters in real time, such as gear ratio, engine speed and transmission fluid temperature.
Deciphering fault codes:
Nissan Liberty automatic transmission fault codes are in P format. Here are some common codes:
* P0700: Transmission control system malfunction
* P0730: Wrong gear ratio
* P0740: Torque converter lock-up fault
* P0750: Transmission speed sensor malfunction
Note:
* For an accurate decoding of fault codes, refer to the Nissan Liberty repair manual.
* Self-diagnosis is not a substitute for professional diagnosis performed by a qualified mechanic.
* If you are unsure of the cause of the problem, it is recommended that you contact a mechanic.