P1122 – Infiniti DTC

Infiniti DTC P1122 – TP Sensor Circuit Intermittent Voltage Low

DTC P1122 meaning on Infiniti

DTC P1122 on an Infiniti refers to the Throttle Position (TP) Sensor Circuit Intermittent Voltage Low. This diagnostic trouble code indicates that there is an intermittent low voltage condition detected in the throttle position sensor circuit.

Infiniti DTC P1122 symptoms

Symptoms of DTC P1122 on an Infiniti may include:

• Check Engine Light illuminated
• Reduced engine power
• Unresponsive throttle
• Poor acceleration

Infiniti DTC P1122 causes

Common causes of DTC P1122 on an Infiniti include:

• Faulty throttle position sensor
• Wiring or connector issues in the TP sensor circuit
• Intermittent electrical connection problems

Infiniti DTC P1122 seriousness

DTC P1122 should be addressed promptly as it can lead to drivability issues and potentially unsafe driving conditions. Ignoring this code may result in further damage to the vehicle.

How to diagnose DTC P1122 on Infiniti

To diagnose DTC P1122 on an Infiniti, a mechanic may perform the following steps:

1. Use a scan tool to retrieve the DTC and freeze frame data
2. Inspect the throttle position sensor and its wiring for any visible damage
3. Check the voltage and resistance of the TP sensor circuit
4. Perform a wiggle test on the wiring harness to identify intermittent connection issues

How to fix DTC P1122 on Infiniti

To fix DTC P1122 on an Infiniti, the following steps may be taken:

1. Replace the faulty throttle position sensor if necessary
2. Repair any damaged wiring or connectors in the TP sensor circuit
3. Clean or replace corroded electrical connections
4. Clear the DTC and test drive the vehicle to ensure the issue is resolved

How to erase DTC P1122 on Infiniti

To erase DTC P1122 on an Infiniti, a scan tool can be used to clear the code from the vehicle’s computer. After clearing the code, it is recommended to test drive the vehicle to ensure the DTC does not return.

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