Check Intelligent Key Unit Power Supply and Ground Circuit

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER SUPPLY CIRCUIT
1. Turn ignition knob OFF position.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit connector and ground.
Fig 1: Connector Terminal Reference Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Voltage Between Intelligent Key Unit Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : GO TO 2.
2. NG : Repair or replace Intelligent Key power supply circuit.
CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit connector M34 terminal 12 (B) and ground.
1. 12 (B) - Ground : Continuity should exist.
OK or NG
1. OK : Power supply and ground circuits are normal.
2. NG : Repair or replace the Intelligent Key unit ground circuit.
Fig 3: Checking Continuity Between Intelligent Key Unit Connector M34 Terminal 12 (B) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.