Honda Accord automatic transmission selector position sensor
Function:
The transmission selector lever position (PRNDL) sensor provides information about the position of the transmission selector to the transmission control module (TCM). This information is used to determine the selected gear and proper transmission operation.
Location:
The sensor is usually located on or near the base of the gear selector.
Signs of malfunction:
* Difficulty shifting gears
* Inability to change gears
* ‘Check transmission’ light comes on
* Displays messages about transmission faults
Possible causes of the malfunction:
* Mechanical wear
* Faulty electrical connections
* Contamination or corrosion
*Transmission Control Module (TCM) malfunction
Diagnostics:
Diagnosis of a faulty automatic transmission selector position sensor includes:
* Visual inspection for damage or wear
* Resistance measurement between sensor terminals
* Scan trouble codes using diagnostic scanner
* Testing the circuit for shorts or breaks
Replacement:
If the automatic transmission selector position sensor fails, it must be replaced. To replace the sensor, the following tools and materials are required:
* New automatic transmission selector position sensor
* Wrench set
* Flat blade screwdriver
Replacement procedure:
1. Disconnect the battery.
2. Determine the location of the automatic transmission selector position sensor.
3. Disconnect the electrical connector from the sensor.
4. Remove the mounting screws or bolts that hold the sensor in place.
5. Remove the old sensor and install the new one.
6. Tighten the mounting screws or bolts.
7. Connect the electrical connector to the new sensor.
8. Connect the battery.
9. Clear trouble codes using a diagnostic scan tool.
Note: Replacement procedures may vary slightly depending on the specific model and year of your Honda Accord.