RM36D0EC _56 Audio / Visual / Telematics _083082 PARK ASSIST / MONITORING _0711992 BLIND SPOT MONITOR SYSTEM J

PARK ASSIST / MONITORING  BLIND SPOT MONITOR SYSTEM  Power Source Circuit  


DESCRIPTION

This circuit provides power to operate the blind spot monitor sensor.

WIRING DIAGRAM

E334124E76
0.865,5.302 2.99,5.51 2.125,0.208 10 false : CAN Communication Line 6.115,1.135 6.625,1.333 0.51,0.198 10 false to CAN 3.344,2.167 4.531,2.75 1.188,0.583 10 false Blind Spot Monitor Sensor LH (B) 3.396,4.708 4.573,5.25 1.177,0.542 10 false Blind Spot Monitor Sensor RH (A) 0.219,0.708 1.156,1.26 0.938,0.552 10 false from IGR NO.1 Relay 3.594,0.708 4.188,0.99 0.594,0.281 10 false BLB 3.594,1.51 4.188,1.792 0.594,0.281 10 false BLGD 3.427,0.594 4.021,0.875 0.594,0.281 10 false 5 3.365,1.417 3.958,1.698 0.594,0.281 10 false 10 3.333,2 3.927,2.281 0.594,0.281 10 false Q1 3.417,4.552 4.01,4.833 0.594,0.281 10 false Q13 3.604,3.292 4.198,3.573 0.594,0.281 10 false BRB 3.615,4.104 4.208,4.385 0.594,0.281 10 false BRGD 3.438,3.135 4.031,3.417 0.594,0.281 10 false 5 3.375,3.99 3.969,4.271 0.594,0.281 10 false 10 1.667,0.885 3.063,1.219 1.396,0.333 10 false ECU-IGR NO.1 6.094,1.313 7.073,2 0.979,0.688 10 false Communication System

CAUTION / NOTICE / HINT

HINT:

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


PROCEDURE

1.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH [B] POWER SOURCE)
a.
E406932C01
1.5,0.25 1.823,0.521 0.323,0.271 2.021,1.156 2.531,0.521 2.531,0.521 2.729,0.521 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 1.542,0.313 1.854,0.51 0.313,0.198 10 false Q1 2.792,0.448 3.156,0.656 0.365,0.208 10 false BLB
*a Front view of wire harness connector
(to Blind Spot Monitor Sensor LH [B])


Disconnect the blind spot monitor sensor LH (B) connector.


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
Q1-5 (BLB) - Body ground Ignition switch ON 11 to 14 V
Q1-5 (BLB) - Body ground Ignition switch off Below 1 V



Result:
Proceed to
OK
NG



OK

2.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH [B] - BODY GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH [B] - BODY GROUND)
a.
E406932C02
1.5,0.25 1.823,0.521 0.323,0.271 2,1.344 2.354,1.938 2.354,1.938 2.51,1.938 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 1.552,0.313 1.865,0.51 0.313,0.198 10 false Q1 2.646,1.875 3.083,2.063 0.438,0.188 10 false BLGD
*a Front view of wire harness connector
(to Blind Spot Monitor Sensor LH [B])


Disconnect the blind spot monitor sensor LH (B) connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
Q1-10 (BLGD) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH [A] POWER SOURCE)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH [A] POWER SOURCE)
a.
E406932C03
1.5,0.25 1.823,0.521 0.323,0.271 2,1.146 2.51,0.51 2.51,0.51 2.708,0.51 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 1.552,0.313 1.865,0.51 0.313,0.198 10 false Q13 2.771,0.438 3.177,0.625 0.406,0.188 10 false BRB
*a Front view of wire harness connector
(to Blind Spot Monitor Sensor RH [A])


Disconnect the blind spot monitor sensor RH (A) connector.


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
Q13-5 (BRB) - Body ground Ignition switch ON 11 to 14 V
Q13-5 (BRB) - Body ground Ignition switch off Below 1 V



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH [A] - BODY GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH [A] - BODY GROUND)
a.
E406932C04
1.5,0.25 1.927,0.521 0.427,0.271 2.042,1.354 2.365,1.865 2.365,1.865 2.51,1.865 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 1.552,0.313 1.865,0.51 0.313,0.198 10 false Q13 2.604,1.823 3.063,2.01 0.458,0.188 10 false BRGD
*a Front view of wire harness connector
(to Blind Spot Monitor Sensor RH [A])


Disconnect the blind spot monitor sensor RH (A) connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
Q13-10 (BRGD) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SYSTEM>PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR