Condenser (Q45)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Infiniti QX4, 2003 Infiniti Q45, 2003 Infiniti M45, 2003 Infiniti I35, and 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Disconnect condenser harness connector F23 (Gray, 2-pin), located at rear of engine compartment. See Fig 1. Measure resistance between condenser terminals. Resistance should be more than one megohm at 77°F (25°C). If resistance is as specified, condenser is okay. If resistance is not as specified, replace condenser.