P1121 2003 Infiniti G35 Code - Electric Throttle Control Actuator
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
- P1121 2003 Infiniti G35 indicates Electric Throttle Control Actuator.
- 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 P1121 2003 Infiniti G35 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 P1121 2003 Infiniti G35?
- 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 P1121 2003 Infiniti G35?
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 P1121 2003 Infiniti G35 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 P1121 2003 Infiniti G35 Code
1. What are the common symptoms of OBDII code P1121 in a 2003 Infiniti G35?
The common symptoms of code P1121 in a 2003 Infiniti G35 include reduced engine power, hesitation during acceleration, and the vehicle going into limp mode.
2. What does the OBDII code P1121 in a 2003 Infiniti G35 indicate?
Code P1121 in a 2003 Infiniti G35 indicates an issue with the Electric Throttle Control Actuator.
3. What are the possible causes of OBDII code P1121 in a 2003 Infiniti G35?
Possible causes of code P1121 in a 2003 Infiniti G35 include a faulty electric throttle control actuator, wiring issues, or a problem with the throttle position sensor.
4. How can I diagnose the OBDII code P1121 in a 2003 Infiniti G35?
Diagnosing code P1121 in a 2003 Infiniti G35 involves using a scan tool to check for the specific fault code, inspecting the electric throttle control actuator and its wiring, and testing the throttle position sensor.
5. Can I drive my 2003 Infiniti G35 with OBDII code P1121?
It is not recommended to drive your 2003 Infiniti G35 with OBDII code P1121 as it can lead to further damage and potential safety issues due to reduced engine performance.
6. How can I repair OBDII code P1121 in a 2003 Infiniti G35?
Repairing code P1121 in a 2003 Infiniti G35 may involve replacing the electric throttle control actuator, repairing any damaged wiring, or recalibrating the throttle position sensor.
7. Is it safe to continue driving if the OBDII code P1121 in a 2003 Infiniti G35 comes and goes?
It is not recommended to continue driving your 2003 Infiniti G35 if the OBDII code P1121 comes and goes, as intermittent issues can still affect the performance and safety of the vehicle.
8. How much does it cost to fix OBDII code P1121 in a 2003 Infiniti G35?
The cost to fix OBDII code P1121 in a 2003 Infiniti G35 can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars for parts and labor.
9. Can I reset the OBDII code P1121 in a 2003 Infiniti G35 by disconnecting the battery?
While disconnecting the battery may clear the code temporarily, it is not a recommended method to reset OBDII codes as the underlying issue causing the code will still need to be addressed.
10. How often does the Electric Throttle Control Actuator need to be replaced in a 2003 Infiniti G35?
The Electric Throttle Control Actuator in a 2003 Infiniti G35 typically does not need frequent replacement unless it fails or malfunctions, which can vary depending on driving conditions and maintenance.
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