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:
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK FOR DTC
HINT:
When using the Techstream with the engine switch off, connect the Techstream
to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds
or less until communication between the Techstream and the vehicle begins. Then
select th ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts listed in
the table below and proceed to the "See page" given.
*1: "Comes on" means the Malfunction Indicator Lamp (MIL) illuminates.
*2: "DTC stored" means ...
Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) The diagnosis function turns off the cruise control indicator, illuminates
the master warning light and displays a warning message when a malfunction is detected.
When a malfunction is detected in the dynamic radar cruise control system, DTCs
are store ...