Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000VJAH |
Model Year Start: 2016 |
Model: Sienna |
Prod Date Range: [12/2015 -
] |
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: Power Source Circuit; 2016 - 2020 MY Sienna [12/2015 - ] |
DESCRIPTION
This circuit provides power to operate the blind spot monitor sensors.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1.
|
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BATTERY)
|
(a) Disconnect the blind spot monitor sensor RH connector.
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Switch Condition
|
Specified Condition
|
q2-5 (BRB) - Body ground
|
Ignition switch ON
|
11 to 14 V
|
q2-5 (BRB) - Body ground
|
Ignition switch off
|
Below 1 V
|
Text in Illustration
*a
|
Front view of wire harness connector
(to Blind Spot Monitor Sensor RH)
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
2.
|
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BODY GROUND)
|
(a) Disconnect the blind spot monitor sensor RH connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
q2-10 (BRGD) - Body ground
|
Always
|
Below 1 Ω
|
Text in Illustration
*a
|
Front view of wire harness connector
(to Blind Spot Monitor Sensor RH)
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
3.
|
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BATTERY)
|
(a) Disconnect the blind spot monitor sensor LH connector.
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Switch Condition
|
Specified Condition
|
q3-5 (BLB) - Body ground
|
Ignition switch ON
|
11 to 14 V
|
q3-5 (BLB) - Body ground
|
Ignition switch off
|
Below 1 V
|
Text in Illustration
*a
|
Front view of wire harness connector
(to Blind Spot Monitor Sensor RH)
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
4.
|
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BODY GROUND)
|
(a) Disconnect the blind spot monitor sensor LH connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
q3-10 (BLGD) - Body ground
|
Always
|
Below 1 Ω
|
Text in Illustration
*a
|
Front view of wire harness connector
(to Blind Spot Monitor Sensor RH)
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|