DESCRIPTION
This circuit provides power to operate the blind spot monitor sensor.
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, BLIND SPOT MONITOR SENSOR LH - BATTERY AND BODY GROUND) |
(a) Disconnect the blind spot monitor sensor LH connector. |
|
(b) Disconnect the 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 |
---|---|---|
B12-5 (BLB) - Body ground |
Ignition switch ON |
11 to 14 V |
B12-5 (BLB) - Body ground |
Ignition switch off |
Below 1 V |
B13-5 (BRB) - Body ground |
Ignition switch ON |
11 to 14 V |
B13-5 (BRB) - Body ground |
Ignition switch off |
Below 1 V |
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B12-10 (BLGD) - Body ground |
Always |
Below 1 Ω |
B13-10 (BRGD) - Body ground |
Always |
Below 1 Ω |
*a |
Front view of wire harness connector (to Blind Spot Monitor Sensor LH) |
*b |
Front view of wire harness connector (to Blind Spot Monitor Sensor RH) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lost Communication with HMI-LAN (B150A)
DESCRIPTION
The combination meter assembly receives a text data signal from the navigation
receiver assembly or radio and display receiver assembly via local bus communication.
Based on this signal, navigation system information is displayed on the multi-information
display.
This DTC is store ...
Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance
is essential. It is the owner’s responsibility to perform regular checks. Toyota
recommends the following maintenance.
■ General maintenance
Should be performed on a daily basis. This can be done by yourself ...
Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Navigation Function:
The navigation receiver assembly receives a vehicle speed signal from
the combination meter assembly and sends the signal to navigation receiver
assembly.
for Automatic Sound Levelizer (ASL):
This circuit is necessary for the Aut ...