P1122 2002 Nissan Altima Sedan Code - Electric Throttle Control Performance Problem
Quick Answer
Electric Throttle Control Actuator consists of throttle control motor, Throttle Position Sensor (TPS), etc. Common causes include Faulty Electric Throttle Control Actuator, Electric Throttle Control Actuator harness is open or shorted, Electric Throttle Control Actuator 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
- P1122 2002 Nissan Altima Sedan indicates Electric Throttle Control Performance Problem.
- Common causes
- Common causes include Faulty Electric Throttle Control Actuator, Electric Throttle Control Actuator harness is open or shorted, Electric Throttle Control Actuator 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 P1122 2002 Nissan Altima Sedan Description
The throttle position sensor detects the throttle valve position, and the opening and closing speed of the throttle valve and feeds the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition.
What are the Possible Causes of the DTC P1122 2002 Nissan Altima Sedan?
- Faulty Electric Throttle Control Actuator
- Electric Throttle Control Actuator harness is open or shorted
- Electric Throttle Control Actuator circuit poor electrical connection
How to Fix the DTC P1122 2002 Nissan Altima Sedan?
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.
Code Tech Notes
There is a factory service bulletin for the 2002 Nissan Altima:
2002 Nissan Altima Factory Service Bulletin OBDII Code P1122
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1122 2002 Nissan Altima Sedan 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 P1122 2002 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P1122 in a 2002 Nissan Altima Sedan?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.
2. What typically causes the OBDII code P1122 in a 2002 Nissan Altima Sedan?
- The code P1122 usually indicates an issue with the electric throttle control system, such as a faulty throttle position sensor or a problem with the throttle actuator.
3. How can I diagnose the OBDII code P1122 in my 2002 Nissan Altima Sedan?
- Diagnosing the code involves using an OBDII scanner to retrieve the code, checking the throttle position sensor and throttle actuator for proper operation, and inspecting wiring for any damage.
4. Can a dirty throttle body cause the OBDII code P1122 in a 2002 Nissan Altima Sedan?
- Yes, a dirty or malfunctioning throttle body can disrupt the operation of the electric throttle control system, leading to the code P1122 being triggered.
5. What are some repair tips for fixing the OBDII code P1122 in a 2002 Nissan Altima Sedan?
- Repair tips may include cleaning the throttle body, replacing the throttle position sensor or throttle actuator, checking and repairing any damaged wiring, and ensuring proper connections.
6. Is it safe to continue driving with the OBDII code P1122 in a 2002 Nissan Altima Sedan?
- It is not recommended to drive the vehicle with the code P1122 present, as it can lead to performance issues and potentially unsafe driving conditions.
7. How much does it typically cost to repair the OBDII code P1122 in a 2002 Nissan Altima Sedan?
- The cost of repairs can vary depending on the specific issue causing the code P1122, but it may involve parts replacement and labor costs, ranging from $200 to $500 or more.
8. Can resetting the OBDII code P1122 in a 2002 Nissan Altima Sedan make it go away permanently?
- Resetting the code may temporarily clear it, but if the underlying issue causing the code is not addressed, it is likely to reappear once the system detects the problem again.
9. Will the OBDII code P1122 in a 2002 Nissan Altima Sedan cause the Check Engine light to stay on?
- Yes, the code P1122 will trigger the Check Engine light to illuminate on the dashboard until the issue is resolved and the code is cleared.
10. How long does it typically take to repair the OBDII code P1122 in a 2002 Nissan Altima Sedan?
- The repair time can vary depending on the specific cause of the code P1122, but it may take a few hours to a full day for diagnosis and repair.
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