BLUETOOTH Voice Guidance Is Not Heard When Pressing Steering Wheel Audio Control Switch (With Mid System)

Refer to "STEERING WHEEL AUDIO CONTROL SWITCH DOES NOT OPERATE ".

OK or NG 

OK: GO TO 2.

NG: Replace applicable parts.

1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector and audio unit connector.
3. Check continuity between Bluetooth control unit harness connector B15 (A) and audio unit harness connector M53 (B).
   TERMINALS CONTINUITY REFERENCE CHART
   
   

   Terminals				Continuity
   Connector	Terminal	Connector	Terminal
   A: B15	9	B: M53	34	Yes
   	10		35
   	11		32

   Fig 1: Checking Continuity Between Bluetooth Control Unit Harness Connector B15 (A) And Audio Unit Harness Connector M53 (B)

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between Bluetooth control unit harness connector B15 (A) and ground.
   TERMINALS CONTINUITY REFERENCE CHART
   
   

   Terminals			Continuity
   Connector	Terminal	-
   A: B15	9	Ground	No
   	10
   	11

   OK or NG 

   OK: GO TO 3.

   NG: Repair harness or connector.

1. Connect Bluetooth control unit connector and audio unit connector.
2. Turn ignition switch ON.
3. Check voltage between Bluetooth control unit connector B15 terminal 11 and ground.

   11 - Ground : Approx. 5V 

   OK or NG 

   OK: GO TO 4.

   NG: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".

   Fig 2: Checking Voltage Between Bluetooth Control Unit Connector B15 Terminal 11 And Ground

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

Check signal between Bluetooth control unit harness connector B15 terminals 9 and 10.

9 - 10: 

When giving a voice 

Fig 3: Terminals Voltage Graph

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

Fig 4: Checking Signal Between Bluetooth Control Unit Harness Connector B15 Terminals 9 And 10

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

OK or NG 

OK: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".

NG: Replace Bluetooth control unit. Refer to "REMOVAL AND INSTALLATION ".