Infiniti DTC P1900 – Cooling Fan
DTC P1900 meaning on Infiniti
DTC P1900 on an Infiniti refers to an issue with the cooling fan control circuit. This diagnostic trouble code indicates a malfunction in the cooling fan system, which can lead to overheating of the engine if not addressed promptly.
Infiniti DTC P1900 symptoms
- Engine overheating
- Temperature gauge reading high
- Cooling fan not operating properly
Infiniti DTC P1900 causes
- Defective cooling fan motor
- Faulty cooling fan relay
- Wiring issues in the cooling fan circuit
- Malfunctioning engine coolant temperature sensor
Infiniti DTC P1900 seriousness
The seriousness of DTC P1900 on an Infiniti lies in the risk of engine overheating, which can cause severe damage to engine components if not addressed promptly. It is important to diagnose and fix this issue to prevent potential engine damage.
How to diagnose DTC P1900 on Infiniti
- Check the cooling fan operation by turning on the AC and monitoring fan activity
- Inspect the cooling fan motor for proper function
- Test the cooling fan relay for continuity
- Check the wiring and connections in the cooling fan circuit for any damage or corrosion
- Verify the engine coolant temperature sensor readings
How to fix DTC P1900 on Infiniti
- Replace the cooling fan motor if found defective
- Replace the cooling fan relay if faulty
- Repair or replace any damaged wiring in the cooling fan circuit
- Replace the engine coolant temperature sensor if necessary
- Clear the DTC P1900 code after repairs are completed
How to erase DTC P1900 on Infiniti
To erase the DTC P1900 code on an Infiniti, you can use an OBD-II scanner to clear the code from the vehicle’s computer memory. Once the repairs have been made to address the underlying issue causing the code, clearing the code will reset the system and turn off the check engine light.
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