P0122 2005 Nissan Maxima Code - Throttle Position Sensor/Switch '1' Circuit Low Input
Quick Answer
The Throttle Pedal Position (TPP) responds to the accelerator pedal movement. Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0122 2005 Nissan Maxima indicates Throttle Position Sensor/Switch '1' Circuit Low Input.
- Common causes
- Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0122 2005 Nissan Maxima Description
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.
What are the Possible Causes of the DTC P0122 2005 Nissan Maxima?
- Faulty throttle position sensor.
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
- Faulty accelerator pedal position sensor
How to Fix the DTC P0122 2005 Nissan Maxima?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0122 2005 Nissan Maxima code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0122 2005 Nissan Maxima Code
1. What are the common symptoms of OBDII code P0122 on a 2005 Nissan Maxima?
- Common symptoms include decreased engine performance, stalling, rough idling, and issues with acceleration.
2. What does the Throttle Position Sensor/Switch '1' Circuit Low Input error code (P0122) indicate?
- This code indicates that the throttle position sensor is sending a lower than expected voltage signal to the Engine Control Module (ECM).
3. What are the possible causes of the P0122 code on a 2005 Nissan Maxima?
- Possible causes include a faulty throttle position sensor, damaged wiring or connectors in the TPS circuit, or a problem with the ECM.
4. How can I diagnose the Throttle Position Sensor/Switch '1' Circuit Low Input error code?
- Diagnosing the issue involves checking the throttle position sensor's voltage output using a multimeter and inspecting the sensor and its wiring for any visible damage.
5. Can driving with the P0122 code on a 2005 Nissan Maxima cause further damage?
- Driving with this code may lead to poor engine performance and fuel efficiency, and could potentially cause further damage if left unresolved for an extended period.
6. How can I repair the P0122 error code on my 2005 Nissan Maxima?
- Repair options include replacing the throttle position sensor, repairing damaged wiring or connectors, or resetting the ECM after addressing any underlying issues.
7. Is it safe to continue driving my 2005 Nissan Maxima with the P0122 code present?
- It is not recommended to drive the vehicle with this code present, as it can lead to potential safety hazards and further damage to the engine.
8. Will resetting the OBDII code P0122 on a 2005 Nissan Maxima make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the P0122 code is not addressed, it is likely to reappear.
9. How much does it typically cost to replace a throttle position sensor on a 2005 Nissan Maxima?
- The cost of replacing a throttle position sensor can vary depending on the vehicle's location, the specific sensor needed, and whether you choose to do the replacement yourself or have a professional do it.
10. Are there any preventive measures to avoid encountering the P0122 code in the future?
- Regularly inspecting and maintaining the throttle position sensor, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the recurrence of the P0122 code.
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