Diagnostic Procedures

NOTE: SECURITY light may also be referred to as security indicator lamp in diagnostic procedures.

Use Fig 1 for diagnostic procedures.

Fig 1: Identifying BCM Harness Connector Terminals

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

CONTROL UNIT HARNESS CONNECTOR LOCATION

Connector ⁽¹⁾

Location

BCM (Body Control Module)

Under Instrument Panel Near Steering Column

LCU 01 (Driver's Door Control Unit)

In Left Front Door

LCU 02 (Passenger's Door Control Unit)

In Right Front Door

LCU 03 (Right Rear Door Control Unit)

In Right Rear Door

LCU 04 (Left Rear Door Control Unit)

In Left Rear Door

LCU 05 (Driver's Seat Control Unit)

Under Driver's Seat

⁽¹⁾	Listed control unit harness connector identification codes are used in system tests.

WIRE COLOR ABBREVIATIONS

Abbreviation

⁽¹⁾ Color

Black

Green

Blue

Pink

White

Yellow

Orange

Purple

Sky Blue

⁽¹⁾	Listed wire color abbreviations are used in system tests.

Fig 2: BCM Power Supply Circuit Check

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

Fig 3: Diagnostic Procedure 1-1: Door Switch Check

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

Fig 4: Diagnostic Procedure 1-2: Hood Switch Check

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

Fig 5: Diagnostic Procedure 1-3: Trunk Light Switch Check

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Fig 6: Diagnostic Procedure 2: SECURITY Light Check

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

Fig 7: Diagnostic Procedure 3: Door Unlock Sensor Check

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

Fig 8: Diagnostic Procedure 4-1: Door Key Cylinder Lock Switch Check

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

Fig 9: Diagnostic Procedure 4-2: Door Key Cylinder Unlock Switch Check

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

Fig 10: Diagnostic Procedure 5: Trunk Lid Key Unlock Signal Check

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

Fig 11: Diagnostic Procedure 6: Theft Warning Horn Alarm Check

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

Fig 12: Diagnostic Procedure 7: Theft Warning Headlight Alarm Check

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