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Home >> Infiniti >> 1998 >> I30 Base, RE4F04A >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multiplex Control System >> System Tests >> Power Supply Circuit Check >> Local Control Units (LCUs)

Local Control Units (LCUs)

Turn ignition switch to LOCK position. Disconnect appropriate LCU harness connector. Ensure battery voltage exists at appropriate terminal at LCU harness connector with ignition switch in all positions. See LCU POWER SUPPLY CIRCUIT CHECK table. See Fig 4 or Fig 5 . If voltage is not as specified with ignition switch in appropriate position, repair power distribution circuit(s) as necessary. See WIRING DIAGRAMS.

LCU POWER SUPPLY CIRCUIT CHECK

LCU No. Terminal No. Wire Color
01 (Driver's Door Control Unit) 13 White/Red
02 (Passenger's Door Control Unit) 13 White/Red
03 (Right Rear Door Control Unit) 17 White/Red
04 (Left Rear Door Control Unit) 17 White/Red
05 (Multi-Remote Control Unit) 2 Pink
Fig 1: Identifying Body Control Module (BCM) Harness Connector Terminals Connector M48
G98F04500Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Identifying Body Control Module (BCM) Harness Connector Terminals Connector M92
G98H04501Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Identifying Body Control Module (BCM) Harness Connector Terminals Connector M93
G98J04502Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 4: Identifying Local Control Unit (LCU) Harness Connector Terminals (Except LCU 05)
G96B06347Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 5: Identifying Local Control Unit (LCU) Harness Connector Terminals (LCU 05)
G96D06348Courtesy of NISSAN MOTOR CO., U.S.A.