Toyota Tacoma (2015-2018) Service Manual: Power Source Circuit
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 | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Main Switch Circuit
DESCRIPTION
When the blind spot monitor main switch assembly (warning canceling switch assembly)
is turned on, a signal is sent to the blind spot monitor sensor LH. The blind spot
monitor system ...
Clearance Sonar Main Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL LOWER CENTER FINISH PANEL
(See page )
2. REMOVE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
...
Other materials:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2 ...
Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch assembly
to the radio and display receiver assembly.
If there is an open in the circuit, the audio system cannot be operated using
the steering pad switch assembly.
If there is a short in the circuit, the same con ...
Cruise Main Indicator Light Circuit
DESCRIPTION
When the ECM detects a cruise control switch on signal from the cruise
control switch, the ECM sends the signal to the combination meter assembly
through CAN communication. Then the cruise control indicator light turns
on.
The cruise control indicator light circui ...
