Toyota Tacoma 2015-2018 Service Manual: Terminals Of Ecu
TERMINALS OF ECU
1. BLIND SPOT MONITOR SENSOR LH (MASTER)
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
B12-3 (BIND) - B12-10 (BLGD) |
Y - W-B |
Blind spot monitor main switch indicator signal |
Blind spot monitor main switch indicator illuminated |
11 to 14 V |
|
Blind spot monitor main switch indicator not illuminated |
Below 1 V |
|||
|
B12-4 (OMIL) - B12-10 (BLGD) |
G - W-B |
Outer rear view mirror indicator power source signal RH |
Outer rear view mirror indicator illuminated |
2.5 to 7.5 V |
|
Outer rear view mirror indicator blinks |
Alternating between 0 to 7.5 V |
|||
|
Outer rear view mirror indicator not illuminated |
Below 1 V |
|||
|
B12-5 (BLB) - B12-10 (BLGD) |
LG - W-B |
IG power source signal |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
B12-8 (BSSW) - B12-10 (BLGD) |
GR - W-B |
Blind spot monitor main switch assembly (warning canceling switch assembly) signal |
Ignition switch ON, blind spot monitor main switch assembly (warning canceling switch assembly) on |
11 to 14 V |
|
Ignition switch ON, blind spot monitor main switch assembly (warning canceling switch assembly) off |
Below 1 V |
|||
|
B12-10 (BLGD) - Body Ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
2. BLIND SPOT MONITOR SENSOR RH (SLAVE)
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
B13-3 (BUZ) - B13-10 (BRGD) |
R - W-B |
Rear cross traffic alert buzzer (blind spot monitor buzzer) operation signal |
Rear cross traffic alert buzzer (blind spot monitor buzzer) not sounding |
11 to 14 V |
|
Outer rear view mirror indicator blinks |
Alternating between 0 to 7.5 V |
|||
|
Rear cross traffic alert buzzer (blind spot monitor buzzer) sounding |
Alternating between 0 to 14 V |
|||
|
B13-4 (OMIR) - B13-10 (BRGD) |
SB - W-B |
Outer rear view mirror indicator power source signal LH |
Outer rear view mirror indicator illuminated |
2.5 to 7.5 V |
|
Outer rear view mirror indicator blinks |
Alternating between 0 to 7.5 V |
|||
|
Outer rear view mirror indicator not illuminated |
Below 1 V |
|||
|
B13-5 (BRB) - B13-10 (BRGD) |
LG - W-B |
IG power source signal |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
B13-8 (SPR) - B13-10 (BRGD)*1 |
P - W-B |
Shift position reverse switch signal |
Rear cross traffic alert function is active (vehicle is in reverse) |
11 to 14 V |
|
Rear cross traffic alert function is not active (vehicle is in position other than reverse) |
Below 1 V |
|||
|
B13-10 (BRGD) - Body Ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
- *1: for Manual Transmission
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from
the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfun ...
Other materials:
Wheels
If a wheel is bent, cracked or heavily corroded, it should be replaced.
Otherwise, the tire may separate from the wheel or cause loss of handling control.
■ Wheel selection
When replacing wheels, care should be taken to ensure that they are equivalent
to those removed in load capacity, di ...
AUTO LSD Indicator Light Remains ON
DESCRIPTION
During normal mode, pressing the VSC OFF switch for a short amount of time changes
vehicle to AUTO LSD mode.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform
calibration (See page
).
Inspe ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The ECM of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there
is no trouble in the CAN and multiplex communication system.
*: Use the Techstream.
PROCEDURE
...