P1225 NISSAN Possible Causes
- Faulty electronic throttle control actuator (TP sensor 2)
- Electronic throttle control actuator (TP sensor 2) harness is open or shorted
- Poor electrical connection in electronic throttle control actuator (TP sensor 2) circuit
How to Fix Code P1225 NISSAN?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
When is the Code Detected?
The closed throttle position learning value is excessively low.
Possible Symptoms
- Engine light on (or engine service warning light soon)
P1225 NISSAN Meaning
The electronic throttle control actuator consists of a throttle control motor, throttle position sensor, etc. The throttle position sensor (TP) responds to throttle valve movement.
The throttle position sensor has two sensors. These sensors are a type of potentiometer that convert throttle position into output voltage and send voltage signals to the engine control module (ECM). Additionally, these sensors detect the opening and closing speed of the throttle valve and transmit voltage signals to the ECM. The ECM determines the current throttle opening angle from these signals and the ECM controls the throttle control motor to properly adjust the throttle opening angle according to driving conditions.