P1121 2003 INFINITI G35 Possible Causes

• Faulty electronic throttle control actuator
• Electronic throttle control actuator harness is open or shorted
• Poor electrical connection in electronic throttle control actuator circuit

How to Fix P1121 2003 INFINITI G35?

Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The electronic throttle control actuator is not functioning properly due to a malfunction of the return spring or the throttle valve is stuck open

Possible Symptoms

Check engine light on (or service engine soon warning light)
No response from accelerator pedal

P1121 2003 INFINITI G35 Meaning

The electronic throttle control actuator consists of a throttle control motor, throttle position sensor (TPS), etc. The throttle control motor is operated by the engine control module (ECM) and it opens and closes the throttle valve.

The throttle position sensor detects the throttle valve position and the opening/closing speed of the throttle valve and transmits voltage signals to the ECM. The ECM evaluates the current throttle opening angle from these signals and the ECM controls the throttle control motor to make the throttle opening angle properly in response to driving conditions.

P1121 2003 NISSAN ALTIMA SEDAN Possible Causes

• Faulty electronic throttle control actuator
• Electronic throttle control actuator harness is open or shorted
• Poor electrical connection in electronic throttle control actuator circuit

How is P1121 2003 NISSAN ALTIMA SEDAN code repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the code detected?

The electronic throttle control actuator is not functioning properly due to a malfunction of the return spring or the throttle valve is stuck open

Possible Symptoms

Engine light on (or service engine soon warning light)
No response from accelerator pedal

P1121 2003 NISSAN ALTIMA SEDAN Meaning

The electronic throttle control actuator consists of a throttle control motor, throttle position sensor (TPS), etc. The throttle control motor is operated by the engine control module (ECM) and it opens and closes the throttle valve.

The throttle position sensor detects the throttle valve position and the opening/closing speed of the throttle valve and transmits voltage signals to the ECM. The ECM evaluates the current throttle opening angle from these signals and the ECM controls the throttle control motor to make the throttle opening angle properly in response to driving conditions.

P1121 2004 TOYOTA PRIUS Possible Causes

• Coolant flow control valve (cooling system stuck or clogged)
• Faulty coolant flow control valve position sensor
• Coolant flow control valve position sensor harness is open or short-circuited
• Poor electrical connection in the coolant flow control valve position sensor circuit
• Faulty engine control module (ECM)

How to Fix P1121 2004 TOYOTA PRIUS Code?

Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1121 2004 TOYOTA PRIUS Meaning

The engine control module (ECM) monitors the water valve position based on the valve position signal sent by the water valve position sensor (potentiometer), which is coaxially coupled to the valve. The water valve performs three-stage control as shown above, and the ECM determines the valve position based on the voltage of each respective stage. To ensure proper monitoring of the water valve, the ECM checks for malfunctions by combining the potentiometer output and the coolant heat storage tank (CHS) outlet temperature sensor. If no change occurs in the valve position signal input to the ECM, or if the water valve response signal is very slow, even though the ECM commands the water valve motor to operate, the ECM determines that a malfunction has occurred in the water valve position sensor circuit and sets a diagnostic trouble code (DTC).

P1121 2005 INFINITI G35 Possible Causes

• Faulty electronic throttle control actuator
• Electronic throttle control actuator harness is open or shorted
• Poor electrical connection in electronic throttle control actuator circuit

How to Fix P1121 2005 INFINITI G35?

Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The electronic throttle control actuator is not functioning properly due to a malfunctioning return spring or throttle valve stuck open

Possible Symptoms

Check engine light illuminated (or service engine soon warning light)
No response from accelerator pedal

P1121 2005 INFINITI G35 Meaning

The electronic throttle control actuator consists of a throttle control motor, throttle position sensor (TPS), etc. The throttle control motor is operated by the engine control module (ECM) and it opens and closes the throttle valve.
The throttle position sensor detects the throttle valve position and the opening/closing speed of the throttle valve and sends voltage signals to the ECM. The ECM evaluates the current throttle opening angle from these signals and the ECM controls the throttle control motor to make the throttle opening angle properly respond to driving conditions.

P1121 ACURA Possible Causes

• Faulty throttle position sensor
• Throttle position sensor circuit open or shorted
• Poor electrical connection in throttle position sensor circuit

How to Fix P1121 ACURA Code?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1121 ACURA Meaning

Throttle position lower than expected is the generic description for Acura P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have further information about the Acura P1121 OBDII code.

P1121 AUDI Possible Causes

• Faulty HO2 sensor, bank 2 sensor 2
• HO2 Sensor Bank 2 Sensor 2 harness is open or shorted
• HO2 sensor, bank 2, sensor 2 circuit, poor electrical connection

How to Fix P1121 AUDI Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1121 AUDI Meaning

HO2S heater circuit short to ground, sensor 2 of bank 2 is the generic description for Audi P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the Audi P1121 OBDII code.

BMW P1121 Possible Causes

• Faulty pedal position sensor
• Pedal position sensor harness is open or shorted
• Poor electrical connection in pedal position sensor circuit

How to Fix BMW P1121 Code?

Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

BMW P1121 Meaning

Throttle Pedal Position Sensor 1 Range/Performance Problem is the generic description for BMW P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the BMW P1121 OBDII code.

P1121 BUICK Possible Causes

• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in throttle position sensor circuit
• Improperly adjusted throttle position sensor

How to Fix P1121 BUICK Code?

Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

When the Powertrain Control Module (PCM) detects a signal voltage outside the normal operating range of the sensor, P1121 is set.

Symptoms

Possible symptoms

Illuminated engine light (or service engine soon warning light)

P1121 BUICK Meaning

The Throttle Position (TP) sensor is a potentiometer. The TP sensor provides a voltage signal that changes relative to throttle blade angle. This signal voltage is one of the most important inputs used by the Powertrain Control Module (PCM). The TP sensor has a 5.0 volt reference circuit, a ground circuit, and a signal circuit.
TP sensor signal voltage should be approximately 0.6 volt at idle. TP sensor voltage should increase to over 4.0 volts at wide open throttle (WOT).

P1121 CADILLAC Possible Causes

• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in throttle position sensor circuit
• Improperly adjusted throttle position sensor

How to Fix P1121 CADILLAC Code?

Begin by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

When the Powertrain Control Module (PCM) detects a signal voltage outside the normal operating range of the sensor, P1121 is set.

Possible Symptoms

Illuminated check engine light (or service engine soon warning light)

P1121 CADILLAC Meaning

The Throttle Position (TP) sensor is a potentiometer. The TP sensor provides a voltage signal that changes relative to throttle blade angle. This signal voltage is one of the most important inputs used by the Powertrain Control Module (PCM). The TP sensor has a 5.0 volt reference circuit, a ground circuit, and a signal circuit.
TP sensor signal voltage should be approximately 0.6 volt at idle. TP sensor voltage should increase to over 4.0 volts at wide open throttle (WOT).

P1121 CHEVROLET Possible Causes

• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in throttle position sensor circuit
• Improperly adjusted throttle position sensor

How to Fix P1121 CHEVROLET Code?

Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

When the Powertrain Control Module (PCM) detects a signal voltage outside the normal operating range of the sensor, P1121 is set.

Possible Symptoms

Illuminated check engine light (or service engine soon warning light)

P1121 CHEVROLET Meaning

The Throttle Position (TP) sensor is a potentiometer. The TP sensor provides a voltage signal that changes relative to throttle blade angle. This signal voltage is one of the most important inputs used by the Powertrain Control Module (PCM). The TP sensor has a 5.0 volt reference circuit, ground circuit, and signal circuit.
TP sensor signal voltage should be approximately 0.6 volt at idle. TP sensor voltage should increase to over 4.0 volts at wide open throttle (WOT).