Intelligent Key Unit Circuit Inspection

1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of Intelligent Key unit for damage, bend and loose connection (unit side and harness side).

OK or NG 

OK : GO TO 2.

NG : Repair terminal or connector.

1. Disconnect Intelligent Key unit connector.
2. Check resistance between Intelligent Key unit harness connector terminals.
   TERMINAL RESISTANCE CHART
   
   

   Intelligent Key unit connector	Terminals		Resistance (Approx.)
   M34	2	3	54 - 66 Ω

   Fig 1: Identifying Resistance Between Intelligent Key Unit Harness Connector Terminals

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK : Replace Intelligent Key unit.

NG : Repair harness between Intelligent Key unit and data link connector.