P1805 2003 Infiniti G35 Possible Causes
- Faulty Stop Lamp Switch
- Stop Lamp Switch harness is open or shorted
- Stop Lamp Switch circuit poor electrical connection
P1805 2003 Infiniti G35 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1805 2003 Infiniti G35 MeaningBrake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is driving.