P1229 2004 INFINITI G35 - Sensor Power Supply Circuit Shorted
- Check harness body ground
- Faulty Accelerator Pedal Position (APP) sensor
- Faulty Power Steering Pressure (PSP) sensor
- Faulty Refrigerant Pressure sensor
- Faulty EVAP Control System Pressure sensor
Tech notesStart by inspecting the connections of the harness to the body grounds.
When is the code detected?The Engine Control Module (ECM) detects a voltage of power source for sensor is excessively low or high.
- Engine Light ON (or Service Engine Soon Warning Light)
P1229 2004 Infiniti G35 DescriptionThe Engine Control Module (ECM) detects a voltage of power source for sensor is excessively low or high. ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.
Need more help?Get the P1229 2004 Infiniti G35 code diagnosed by a professional: Find a repair shop in your area
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