LDW Chime Circuit Inspection

Check LDW chime operation "BUZZER DRIVE" in "ACTIVE TEST" mode with CONSULT-II.

"BUZZER DRIVE" 

Touch "ON" : LDW chime is activated. 

Touch "OFF" : LDW chime is not activated. 

OK or NG 

OK : INSPECTION END

NG : GO TO 2.

Fig 1: Displaying Active Test

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1. Turn ignition switch OFF.
2. Disconnect LDW chime connector.
3. Turn ignition switch ON.
4. Check voltage between warning chime harness connector M97 terminal 1 and ground.

   1 - Ground : Battery voltage 

OK or NG 

OK : GO TO 3.

NG : Check harness between fuse and LDW chime.

Fig 2: Identifying Voltage Between Warning Chime Harness Connector M97 Terminal And Ground

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1. Turn ignition switch OFF.
2. Check continuity between LDW chime harness connector M97 terminal 3 and ground.

   3 - Ground : Continuity should exist. 

OK or NG 

OK : GO TO 4.

NG : Repair harness or connector.

Fig 3: Identifying Continuity Between LDW Chime Harness Connector M97 Terminal 3 And Ground

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1. Disconnect LDW camera unit connector.
2. Check continuity between LDW camera unit harness connector (A) R9 terminal 3 and LDW chime harness connector (B) M97 terminal 2.

   3 - 2 : Continuity should exist. 

3. Check continuity between LDW camera unit harness connector (A) R9 terminal 3 and ground.

   3 - Ground : Continuity should not exist. 

OK or NG 

OK : GO TO 5.

NG : Repair harness or connector.

Fig 4: Identifying Continuity Between LDW Camera Unit Harness Connector (A) R9 Terminal And Ground

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1. Connect LDW chime connector.
2. Turn ignition switch ON.
3. Apply ground to LDW chime terminal 2.
4. Check condition of the LDW chime.

   2 - Ground : LDW chime should operate. 

OK or NG 

OK : Replace LDW camera unit.

NG : Replace LDW chime.

Fig 5: Identifying Condition Of LDW Chime

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