RM35X0E _56 Audio / Visual / Telematics _079315 PARK ASSIST / MONITORING _0385738 BLIND SPOT MONITOR SYSTEM J

PARK ASSIST / MONITORING  BLIND SPOT MONITOR SYSTEM  Buzzer does not Sound  


WIRING DIAGRAM

E404571E02
3.281,1.313 3.625,1.51 0.344,0.198 10 false Q4 3.281,1.469 4.896,1.844 1.615,0.375 10 false RCTA Buzzer (Blind Spot Monitor Buzzer) 5.604,1.927 6.063,2.104 0.458,0.177 10 false e3 5.604,2.083 6.802,2.406 1.198,0.323 10 false Blind Spot Monitor Sensor RH 3.354,0.927 3.5,1.104 0.146,0.177 10 false 1 5.646,1.021 5.979,1.219 0.333,0.198 10 false BUZ 5.479,0.917 5.625,1.094 0.146,0.177 10 false 3 4.698,0.917 4.844,1.094 0.146,0.177 10 false 2 4.302,1.021 4.635,1.219 0.333,0.198 10 false BZN 3.51,1.01 3.844,1.208 0.333,0.198 10 false BZP 2.094,1.188 3.021,1.448 0.927,0.26 10 false ECU-IG1 NO.4 0.052,1.021 1.719,1.281 1.667,0.26 10 false from IG1 NO.2 Relay

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.


PROCEDURE

1.CHECK DTC

b.

Recheck for DTCs and check if the same DTC is output again.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SYSTEM>DTC CHECK / CLEAR

Body Electrical > Blind Spot Monitor Slave > Trouble Codes
50001 314
OK:

No DTCs are output.



Result:
Proceed to
OK
NG



OK

2.CHECK HARNESS AND CONNECTOR (RCTA BUZZER - BLIND SPOT MONITOR SENSOR RH)

NG

2.CHECK HARNESS AND CONNECTOR (RCTA BUZZER - BLIND SPOT MONITOR SENSOR RH)
a.

Disconnect the Q4 RCTA buzzer (blind spot monitor buzzer) connector.


b.

Disconnect the e3 blind spot monitor sensor RH connector.


c.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
Q4-1 (BZP) - Body ground Ignition switch ON 11 to 14 V
Q4-2 (BZN) or e3-3 (BUZ) - Body ground Ignition switch ON Below 1 V
Q4-2 (BZN) - Q4-1 (BZP) Ignition switch ON Below 1 V



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (RCTA BUZZER - BLIND SPOT MONITOR SENSOR RH AND BATTERY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.CHECK HARNESS AND CONNECTOR (RCTA BUZZER - BLIND SPOT MONITOR SENSOR RH AND BATTERY)
a.

Disconnect the Q4 RCTA buzzer (blind spot monitor buzzer) connector.


b.

Disconnect the e3 blind spot monitor sensor RH connector.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
Q4-2 (BZN) - e3-3 (BUZ) Always Below 1 Ω
Q4-2 (BZN) or e3-3 (BUZ) - Body ground Always 10 kΩ or higher



d.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
Q4-2 (BZN) or e3-3 (BUZ) - Body ground Ignition switch ON Below 1 V
Q4-1 (BZP) - Body ground Ignition switch ON 11 to 14 V
Q4-1 (BZP) - Body ground Ignition switch off Below 1 V



Result:
Proceed to
OK
NG



OK

4.CHECK RCTA BUZZER (BLIND SPOT MONITOR BUZZER)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK RCTA BUZZER (BLIND SPOT MONITOR BUZZER)
a.

Replace the RCTA buzzer (blind spot monitor buzzer) with a new or known good one and check if the same malfunction recurs.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>REAR CROSS TRAFFIC ALERT BUZZER>REMOVAL

OK:

Malfunction does not reoccur (returns to normal).



Result:
Proceed to
OK
NG



OK

END (RCTA BUZZER [BLIND SPOT MONITOR BUZZER] WAS DEFECTIVE)

NG