Two problems related to alternator/generator/regulator have been reported for the 2003 Infiniti G35. The most recently reported issues are listed below.
The contact owns a 2003 Infiniti G35. While the contact started the vehicle, the air conditioner would automatically activate without intent and failed to deactivate. The vehicle was taken to an authorize dealer who informed the contact that the radio would need to be replaced. The vehicle was repaired previously under a manufacturer voluntary service campaign pertaining to the audio finisher circuit board. In addition, there was a circuit shortage causing failure with the alternator and battery. The vehicle was currently being repaired for the malfunction. The approximate failure mileage was 70,000.
Car will not restart after only sitting less than 48 hours. Battery has been checked and not problem with alternator. Many reports on internet about similar complaints from Infiniti g 35 2003 owners.